Contacts of the helix formed by residues 125 - 194 (chain C) in PDB entry 5AZS
Residue contacts within the protein are
derived with the CSU software (Sobolev V., Sorokine A.,
Prilusky J., Abola E.E. and Edelman M. (1999) Automated
analysis of interatomic contacts in proteins.
Bioinformatics, 15, 327-332). A
short description of the analytical approach
is given at the end of the page.
Note:
Non-standard 3 letter residue
codes indicate a heterogroup. To identify
and analyse, use LPC software
Legend:
Dist - nearest distance (Å) between atoms of two residues
Surf - contact surface area (Å2) between two residues
HB - hydrophilic-hydrophilic contact (hydrogen bond)
Arom - aromatic-aromatic contact
Phob - hydrophobic-hydrophobic contact
DC - hydrophobic-hydrophilic contact (destabilizing contact)
+/- - indicates presence/absence of a specific contacts
* - indicates residues forming contacts by their side chain
(including CA atoms)
Residues in contact with GLY 125 (chain C).
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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1C CYS 3.3 14.1 - - - -
2C SER* 4.2 4.6 + - - -
3C MET 5.3 0.2 + - - -
122C ASP* 3.4 30.0 + - - +
124C PHE* 1.3 79.6 - - - +
126C ARG* 1.3 61.7 + - - +
127C VAL 3.5 2.5 - - - -
128C LYS* 3.8 4.0 + - - +
129C SER* 3.1 26.5 + - - -
286C GLY 4.9 0.7 - - - +
290C ALA* 4.4 0.9 - - - -
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Residues in contact with ARG 126 (chain C).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
120C GLU* 3.5 37.2 + - - +
122C ASP* 4.0 3.8 - - + +
124C PHE 3.7 1.0 - - - -
125C GLY* 1.3 75.7 - - - +
127C VAL* 1.3 67.9 + - + +
129C SER* 3.4 4.3 + - - -
130C LEU* 3.1 54.8 + - - +
287C ALA* 3.9 21.4 - - - +
290C ALA* 3.4 26.5 - - + -
291C ALA* 5.2 8.1 - - - +
295C ARG* 4.9 11.5 - - - +
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Residues in contact with VAL 127 (chain C).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
75C GLN* 4.8 3.7 - - - +
78C ASP* 5.0 15.0 - - + +
79C ARG* 3.8 28.7 - - + +
120C GLU* 3.6 37.0 - - + +
122C ASP* 3.3 27.3 - - + +
126C ARG* 1.3 85.1 - - + +
128C LYS* 1.3 59.5 + - - +
130C LEU* 3.4 11.0 + - + +
131C THR* 2.7 37.8 + - - +
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Residues in contact with LYS 128 (chain C).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
1C CYS 5.6 6.6 - - - +
2C SER* 4.5 23.3 - - - +
79C ARG* 3.7 37.2 - - - +
122C ASP* 3.6 15.3 + - - +
125C GLY* 4.1 6.5 - - - +
126C ARG 3.4 0.6 - - - -
127C VAL* 1.3 78.1 - - - +
129C SER* 1.3 55.3 + - - +
131C THR* 3.2 5.2 + - - -
132C ASP* 2.8 56.3 + - - +
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Residues in contact with SER 129 (chain C).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
2C SER* 2.9 25.2 + - - -
4C ALA* 4.8 0.9 - - - +
125C GLY 3.1 9.2 + - - -
126C ARG 3.4 8.9 + - - -
127C VAL 3.3 0.4 - - - -
128C LYS* 1.3 78.5 - - - +
130C LEU* 1.3 56.4 + - - +
132C ASP* 3.1 10.5 + - - -
133C ALA* 2.9 26.2 + - - +
283C ALA* 3.3 35.2 + - - +
286C GLY* 3.9 10.0 + - - -
287C ALA* 3.8 9.2 - - - -
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Residues in contact with LEU 130 (chain C).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
75C GLN* 3.9 33.3 - - - +
126C ARG* 3.1 48.5 + - + +
127C VAL* 3.7 12.1 - - + +
129C SER* 1.3 74.8 - - - +
131C THR* 1.3 56.8 + - - +
133C ALA* 3.6 6.8 + - + +
134C ALA* 3.2 26.2 + - - +
284C ASP* 4.4 12.8 - - - +
287C ALA* 3.8 20.0 - - + -
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Residues in contact with THR 131 (chain C).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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72C TYR* 3.7 26.9 - - + +
75C GLN* 3.4 24.7 + - - +
76C ARG* 3.9 22.2 - - + +
79C ARG* 4.0 17.7 + - - +
127C VAL 2.7 19.5 + - - -
128C LYS* 3.2 13.0 + - + -
130C LEU* 1.3 74.1 - - - +
132C ASP* 1.3 61.0 + - - +
134C ALA 3.4 0.9 + - - -
135C LEU* 2.9 27.6 + - - +
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Residues in contact with ASP 132 (chain C).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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2C SER* 4.8 6.4 + - - -
128C LYS* 2.8 43.4 + - - +
129C SER* 3.1 12.6 + - - +
131C THR* 1.3 70.8 - - - +
133C ALA* 1.3 60.0 + - - +
135C LEU* 3.2 13.9 + - + +
136C GLN* 2.9 39.0 + - + +
279C ARG 5.8 0.2 - - - +
283C ALA* 3.8 14.0 - - + +
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Residues in contact with ALA 133 (chain C).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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129C SER 2.9 10.9 + - - +
130C LEU* 3.6 10.8 - - + +
132C ASP* 1.3 76.3 - - - +
134C ALA* 1.3 57.9 + - - +
136C GLN 3.5 0.3 + - - -
137C GLN* 3.0 33.9 + - + +
280C ALA* 3.5 27.0 - - + +
283C ALA* 3.9 0.6 - - + +
284C ASP* 3.1 29.6 - - - +
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Residues in contact with ALA 134 (chain C).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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68C ALA 4.3 2.3 - - - +
71C GLN* 3.9 11.4 - - + +
72C TYR* 3.7 33.1 - - - +
75C GLN* 4.4 9.4 - - + -
130C LEU 3.2 14.0 + - - +
131C THR 3.8 3.6 - - - +
132C ASP 3.3 0.2 - - - -
133C ALA* 1.3 76.4 - - - +
135C LEU* 1.3 65.2 + - - +
137C GLN* 3.5 9.4 + - - +
138C TYR* 3.2 18.4 + - - +
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Residues in contact with LEU 135 (chain C).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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72C TYR* 3.7 30.4 - - + +
131C THR 2.9 18.4 + - - +
132C ASP* 3.4 14.8 - - + +
134C ALA* 1.3 75.9 - - - +
136C GLN* 1.3 80.8 + - - +
138C TYR* 2.9 48.4 + - + +
139C LEU* 3.0 19.9 + - + +
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Residues in contact with GLN 136 (chain C).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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132C ASP* 2.9 22.9 + - + +
135C LEU* 1.3 87.4 - - - +
137C GLN* 1.3 55.5 + - - +
139C LEU* 3.0 14.8 + - - +
140C ALA* 2.7 35.7 + - - +
276C HIS* 2.7 53.5 + - - +
279C ARG* 3.7 32.9 - - + +
280C ALA* 3.7 17.7 - - + +
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Residues in contact with GLN 137 (chain C).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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68C ALA* 4.5 6.5 - - + +
133C ALA* 3.0 22.8 + - + +
134C ALA* 3.6 9.9 - - - +
136C GLN* 1.3 76.4 - - - +
138C TYR* 1.3 55.9 + - - +
140C ALA* 3.5 6.9 + - - +
141C SER* 2.9 24.9 + - - -
277C ARG* 4.5 19.3 + - - +
280C ALA* 4.4 5.6 - - + +
281C ARG* 3.5 29.5 - - - +
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Residues in contact with TYR 138 (chain C).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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65C ILE* 4.5 9.7 - - + +
68C ALA* 3.4 36.8 - - + +
69C ARG* 3.5 49.8 + - + -
72C TYR* 4.3 11.0 - + + -
134C ALA 3.2 4.7 + - - +
135C LEU* 2.9 53.7 - - + +
136C GLN 3.2 0.2 - - - -
137C GLN* 1.3 76.5 - - - +
139C LEU* 1.3 73.3 + - + +
141C SER* 3.1 4.1 + - - -
142C GLU* 3.0 48.7 + - - +
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Residues in contact with LEU 139 (chain C).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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135C LEU* 3.0 25.8 + - + +
136C GLN* 3.0 32.4 + - - +
138C TYR* 1.3 96.6 - - + +
140C ALA* 1.3 63.4 + - - +
142C GLU* 3.5 24.6 + - - +
143C GLU* 3.3 25.5 + - - +
276C HIS* 3.7 26.0 + - + +
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Residues in contact with ALA 140 (chain C).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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136C GLN 2.7 18.5 + - - +
137C GLN* 3.6 8.5 - - - +
139C LEU* 1.3 69.4 - - - +
141C SER* 1.3 60.8 + - - +
143C GLU* 3.2 3.3 + - - +
144C ALA* 2.8 31.2 + - - +
273C ALA* 3.4 32.4 - - - +
276C HIS* 3.8 9.5 - - + +
277C ARG* 4.0 22.7 - - + +
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Residues in contact with SER 141 (chain C).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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61C THR 4.5 1.6 - - - +
64C ASP* 3.2 33.6 + - - +
65C ILE* 3.4 14.4 + - - +
68C ALA* 4.0 8.7 - - - -
137C GLN 2.9 16.0 + - - -
138C TYR* 3.1 15.2 + - - -
140C ALA* 1.3 75.7 - - - +
142C GLU* 1.3 63.7 + - - +
144C ALA* 3.6 7.8 - - - +
145C ALA* 3.3 13.2 + - - +
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Residues in contact with GLU 142 (chain C).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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65C ILE* 3.9 26.4 - - + +
138C TYR* 3.0 36.4 + - - +
139C LEU* 3.5 27.4 - - - +
140C ALA 3.1 0.2 - - - -
141C SER* 1.3 71.7 - - - +
143C GLU* 1.3 70.0 + - + +
145C ALA* 2.8 17.3 + - - +
146C ARG* 3.1 13.1 + - - +
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Residues in contact with GLU 143 (chain C).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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139C LEU 3.3 13.5 + - - +
140C ALA 3.2 5.7 + - - +
142C GLU* 1.3 78.8 - - - +
144C ALA* 1.3 63.3 + - - +
146C ARG* 2.7 42.4 + - - +
147C ALA 3.1 19.4 + - - -
269C PRO* 3.4 14.6 - - - +
272C LEU* 3.6 34.5 - - + +
273C ALA* 3.6 21.1 - - - +
276C HIS* 3.9 13.7 + - + -
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Residues in contact with ALA 144 (chain C).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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61C THR* 5.4 3.4 - - + +
140C ALA 2.8 21.0 + - - +
141C SER* 3.6 10.8 - - - +
143C GLU* 1.3 74.5 - - - +
145C ALA* 1.3 55.7 + - - +
147C ALA* 3.5 8.4 - - - +
148C ALA* 3.1 24.4 + - - +
270C ASP* 6.6 0.2 - - - +
273C ALA* 4.2 5.7 - - + +
277C ARG* 4.5 16.8 - - - +
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Residues in contact with ALA 145 (chain C).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
58C LEU* 4.1 3.5 - - - +
61C THR* 3.7 28.3 - - - +
62C LEU* 4.1 15.3 - - + +
65C ILE* 3.8 13.5 - - + -
141C SER 3.3 5.5 + - - +
142C GLU 2.8 15.3 + - - +
144C ALA* 1.3 73.5 - - - +
146C ARG* 1.3 59.9 + - - +
148C ALA* 3.3 8.6 + - - +
149C ARG* 2.9 29.3 + - - +
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Residues in contact with ARG 146 (chain C).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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142C GLU 3.1 11.5 + - - +
143C GLU* 2.7 38.7 + - - +
145C ALA* 1.3 75.7 - - - +
147C ALA* 1.3 62.9 + - - +
149C ARG* 3.2 18.9 + - - +
150C ILE* 3.0 35.4 + - - +
267C ARG 3.4 24.7 + - - -
269C PRO* 4.0 17.7 - - + +
272C LEU* 3.5 14.1 - - - +
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Residues in contact with ALA 147 (chain C).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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143C GLU 3.1 7.3 + - - +
144C ALA* 3.5 12.6 - - - +
146C ARG* 1.3 74.4 - - - +
148C ALA* 1.3 53.0 + - - +
150C ILE* 3.2 6.0 + - - +
151C ALA* 2.7 37.4 + - - +
269C PRO* 3.6 20.1 - - + +
270C ASP* 3.4 25.4 - - - +
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Residues in contact with ALA 148 (chain C).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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57C SER 5.7 0.2 - - - +
58C LEU* 3.9 8.0 - - + +
61C THR* 3.9 28.5 - - + +
144C ALA 3.1 15.1 + - - +
145C ALA* 3.6 5.8 - - - +
146C ARG 3.3 0.2 - - - -
147C ALA* 1.3 78.4 - - - +
149C ARG* 1.3 57.4 + - - +
151C ALA* 3.8 7.6 - - - +
152C LEU* 3.1 25.1 + - - +
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Residues in contact with ARG 149 (chain C).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
35C TRP* 4.1 27.7 - - - +
52C LEU* 3.2 35.9 - - + +
58C LEU* 3.5 20.2 - - + +
62C LEU* 6.2 2.7 - - + -
145C ALA 2.9 13.1 + - - +
146C ARG* 3.4 20.9 + - - +
148C ALA* 1.3 75.8 - - - +
150C ILE* 1.3 68.4 + - - +
152C LEU* 3.0 5.6 + - - +
153C VAL* 2.9 32.1 + - + +
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Residues in contact with ILE 150 (chain C).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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146C ARG* 3.0 27.5 + - + +
147C ALA* 3.7 6.7 - - - +
149C ARG* 1.3 85.8 - - - +
151C ALA* 1.3 57.7 + - - +
153C VAL* 3.4 11.1 + - + +
154C ALA* 3.0 27.5 + - - +
269C PRO* 4.0 27.4 - - + -
439C PHE* 4.4 20.9 - - + +
440C ARG* 4.4 26.5 - - + +
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Residues in contact with ALA 151 (chain C).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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147C ALA 2.7 21.7 + - - +
148C ALA* 3.8 9.2 - - - +
150C ILE* 1.3 74.8 - - - +
152C LEU* 1.3 56.6 + - - +
154C ALA* 3.8 1.4 - - - +
155C GLU* 2.9 39.8 + - - +
440C ARG* 3.5 43.0 + - + +
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Residues in contact with LEU 152 (chain C).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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51C ALA* 3.7 19.5 - - + +
52C LEU* 4.0 7.0 - - + +
55C ASN* 3.4 49.8 - - + +
58C LEU* 4.0 17.5 - - + -
148C ALA 3.1 16.1 + - - +
149C ARG* 3.0 10.8 + - - +
151C ALA* 1.3 73.3 - - - +
153C VAL* 1.3 66.8 + - - +
155C GLU* 3.1 6.4 + - - +
156C VAL* 2.9 38.1 + - + +
232C LEU* 3.9 22.7 - - + +
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Residues in contact with VAL 153 (chain C).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
35C TRP* 3.9 37.7 - - + -
38C PHE* 6.1 0.4 - - + -
39C ILE* 4.1 19.5 - - + -
48C VAL* 3.7 29.9 - - + +
52C LEU* 4.3 9.2 - - + -
149C ARG* 2.9 24.6 + - + +
150C ILE* 3.4 12.1 - - - +
152C LEU* 1.3 74.7 - - - +
154C ALA* 1.3 59.7 + - - +
156C VAL* 3.2 4.3 + - - +
157C SER* 2.9 28.8 + - - +
439C PHE* 4.5 11.9 - - + -
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Residues in contact with ALA 154 (chain C).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
150C ILE 3.0 14.1 + - - +
151C ALA 3.8 3.6 - - - +
153C VAL* 1.3 81.7 - - + +
155C GLU* 1.3 57.6 + - - +
157C SER* 3.2 4.3 + - - -
158C GLN* 2.9 39.0 + - - +
436C VAL* 3.4 24.2 - - + +
439C PHE* 5.3 4.3 - - + -
440C ARG* 4.0 29.6 - - + +
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Residues in contact with GLU 155 (chain C).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
151C ALA* 2.9 27.4 + - - +
152C LEU* 3.1 4.9 + - - +
154C ALA* 1.3 76.6 - - - +
156C VAL* 1.3 57.7 + - - +
158C GLN* 3.9 12.7 - - - +
159C ALA* 3.0 29.5 + - - +
232C LEU* 3.6 25.3 - - + +
440C ARG* 3.4 25.2 + - - +
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Residues in contact with VAL 156 (chain C).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
44C LEU* 4.8 1.3 - - + -
47C LEU* 4.3 17.5 - - + +
48C VAL* 4.6 9.4 - - + +
51C ALA* 3.9 24.0 - - + -
152C LEU* 2.9 32.0 + - + +
153C VAL* 3.7 4.9 - - - +
155C GLU* 1.3 72.4 - - - +
157C SER* 1.3 67.3 + - - +
159C ALA* 3.3 4.0 + - - -
160C TYR* 2.9 23.4 + - - +
229C LEU* 3.6 18.4 - - + +
232C LEU* 3.9 13.7 - - + -
233C LEU* 4.2 20.0 - - + -
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Residues in contact with SER 157 (chain C).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
38C PHE* 6.1 0.4 - - - -
39C ILE* 3.2 28.0 - - - +
44C LEU* 3.9 21.2 - - - +
48C VAL* 4.4 1.0 - - - +
153C VAL* 2.9 18.2 + - - +
154C ALA* 3.4 9.2 - - - -
156C VAL* 1.3 77.2 - - - +
158C GLN* 1.3 57.2 + - - +
160C TYR* 3.2 2.9 + - - +
161C LEU* 2.9 34.1 + - - +
252C LEU* 5.3 1.3 - - - -
436C VAL* 3.9 22.0 - - - -
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Residues in contact with GLN 158 (chain C).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
154C ALA* 2.9 28.1 + - - +
155C GLU* 3.9 12.2 - - - +
157C SER* 1.3 72.1 - - - +
159C ALA* 1.3 57.4 + - - +
161C LEU* 3.1 10.8 + - - +
162C SER* 2.8 33.9 + - - +
433C ILE* 4.1 23.4 - - + +
436C VAL* 3.7 25.5 - - + +
437C ASP* 2.7 30.0 + - - +
440C ARG* 5.2 6.9 - - - +
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Residues in contact with ALA 159 (chain C).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
155C GLU 3.0 16.6 + - - +
156C VAL 3.7 3.8 - - - +
158C GLN* 1.3 78.4 - - - +
160C TYR* 1.3 57.2 + - - +
162C SER* 3.9 7.2 - - - -
163C TYR* 3.1 24.4 + - - +
225C ALA* 4.0 11.1 - - - +
228C ALA* 4.7 5.8 - - + -
229C LEU* 3.7 20.8 - - + +
232C LEU* 4.4 15.7 - - + -
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Residues in contact with TYR 160 (chain C).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
41C ASP* 4.1 12.7 + - - -
43C GLU* 4.2 7.2 + - + +
44C LEU* 3.3 30.7 - - + -
47C LEU* 3.5 23.8 - - + -
156C VAL 2.9 17.1 + - - +
157C SER 3.5 3.1 - - - +
159C ALA* 1.3 76.1 - - - +
161C LEU* 1.3 57.1 + - + +
163C TYR* 3.0 29.4 + + - +
164C ASP* 2.7 36.5 + - + +
229C LEU* 3.6 11.8 - - + +
242C ILE* 4.7 0.2 - - + -
243C PRO* 3.5 34.1 - - + +
245C SER 4.8 0.5 + - - -
246C PRO* 5.6 0.2 - - - +
247C GLY 4.5 6.8 + - - -
251C LYS* 3.7 37.6 - - + -
----------------------------------------------------------
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Residues in contact with LEU 161 (chain C).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
44C LEU* 5.8 1.8 - - + -
157C SER* 2.9 16.9 + - - +
158C GLN* 3.5 7.2 - - - +
160C TYR* 1.3 76.1 - - + +
162C SER* 1.3 58.0 + - - +
164C ASP* 3.5 14.8 + - - +
165C GLY* 3.0 24.8 + - - -
168C ARG* 6.0 1.1 - - - +
251C LYS* 4.6 18.2 - - + +
252C LEU* 4.0 17.5 - - + -
429C THR* 4.1 10.6 - - - +
432C GLN* 3.6 42.0 - - + +
433C ILE* 4.0 14.8 - - + +
436C VAL* 3.7 30.5 - - + -
----------------------------------------------------------
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Residues in contact with SER 162 (chain C).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
158C GLN 2.8 18.1 + - - -
159C ALA* 3.9 7.6 - - - -
161C LEU* 1.3 69.6 - - - +
163C TYR* 1.3 66.1 + - - +
165C GLY* 3.4 2.2 + - - -
166C ALA* 3.0 23.4 + - - +
169C ARG* 4.8 8.3 + - - +
225C ALA* 4.4 10.0 - - - +
429C THR* 5.6 1.3 - - - -
433C ILE* 3.6 22.1 - - - +
----------------------------------------------------------
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Residues in contact with TYR 163 (chain C).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
159C ALA 3.1 17.2 + - - +
160C TYR* 3.0 32.1 + + - +
162C SER* 1.3 76.1 - - - +
164C ASP* 1.3 63.9 + - - +
166C ALA* 3.3 5.6 + - - +
167C LEU* 3.3 41.3 + - + +
222C LYS* 3.8 43.7 + - + -
225C ALA* 3.8 10.9 - - + +
226C PHE* 4.1 28.1 - + + -
229C LEU* 3.9 11.2 - - + -
242C ILE* 3.7 9.9 - - + -
243C PRO 2.9 29.7 + - - -
244C ARG* 3.8 10.9 - - - +
245C SER 6.1 0.2 - - - -
----------------------------------------------------------
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Residues in contact with ASP 164 (chain C).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
160C TYR* 2.7 22.3 + - + +
161C LEU* 3.6 14.6 - - - +
163C TYR* 1.3 74.4 - - - +
165C GLY* 1.3 62.6 + - - +
167C LEU* 3.1 23.0 + - - +
168C ARG* 2.8 44.3 + - - +
246C PRO* 3.8 22.1 - - + +
247C GLY 4.4 1.9 + - - +
251C LYS* 3.1 31.0 + - - +
429C THR* 4.6 0.2 - - - +
----------------------------------------------------------
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Residues in contact with GLY 165 (chain C).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
161C LEU 3.0 8.2 + - - -
162C SER* 3.7 3.6 - - - -
164C ASP* 1.3 81.0 - - - +
166C ALA* 1.3 56.3 + - - +
168C ARG* 3.1 9.1 + - - +
169C ARG* 3.0 38.8 + - - +
425C ILE* 3.6 2.7 - - - +
429C THR* 3.4 28.9 - - - -
----------------------------------------------------------
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Residues in contact with ALA 166 (chain C).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
162C SER 3.0 13.0 + - - +
163C TYR* 3.5 9.6 - - - +
164C ASP 3.2 0.2 - - - -
165C GLY* 1.3 75.3 - - - +
167C LEU* 1.3 58.2 + - - +
169C ARG* 3.4 25.1 + - - +
170C LEU* 3.0 29.3 + - - +
218C ASN* 4.3 5.2 - - - +
221C GLN* 4.1 7.4 - - + +
222C LYS* 3.7 34.3 - - + +
----------------------------------------------------------
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Residues in contact with LEU 167 (chain C).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
163C TYR* 3.3 44.6 + - + +
164C ASP* 3.1 11.9 + - - +
166C ALA* 1.3 78.0 - - - +
168C ARG* 1.3 57.1 + - - +
170C LEU* 3.5 12.8 + - + +
171C ALA* 2.9 27.5 + - - +
222C LYS* 3.7 32.5 - - + +
244C ARG* 4.1 21.1 - - - +
245C SER 4.8 0.9 - - - -
246C PRO* 4.3 30.0 - - + +
----------------------------------------------------------
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Residues in contact with ARG 168 (chain C).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
161C LEU* 6.0 1.2 - - - +
164C ASP* 2.8 42.1 + - - +
165C GLY* 3.1 9.4 + - - +
167C LEU* 1.3 73.7 - - - +
169C ARG* 1.3 60.0 + - - +
171C ALA* 3.2 7.8 + - + +
172C LEU* 3.0 29.6 + - - +
246C PRO* 5.2 9.6 - - + -
424C PHE* 5.3 6.5 - - - -
425C ILE* 3.7 22.9 - - + +
428C SER* 3.5 22.6 + - - -
429C THR* 3.2 29.4 - - - +
432C GLN* 6.0 2.6 - - - +
----------------------------------------------------------
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Residues in contact with ARG 169 (chain C).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
162C SER* 4.8 8.7 + - - +
165C GLY* 3.0 18.8 + - - +
166C ALA* 3.4 30.2 + - - +
168C ARG* 1.3 74.1 - - - +
170C LEU* 1.3 55.1 + - - +
172C LEU* 3.8 3.0 - - - +
173C THR* 2.6 38.9 + - - +
214C GLU* 5.5 0.4 - - - -
218C ASN* 3.4 21.5 - - - +
221C GLN* 2.7 41.2 + - - +
422C ILE* 4.3 16.6 - - + +
425C ILE* 3.5 25.9 - - + +
426C ASP* 2.5 31.6 + - - -
429C THR* 4.5 12.3 + - - -
----------------------------------------------------------
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Residues in contact with LEU 170 (chain C).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
166C ALA 3.0 17.3 + - - +
167C LEU* 3.5 12.6 - - + +
169C ARG* 1.3 75.5 - - - +
171C ALA* 1.3 59.1 + - - +
173C THR* 3.4 0.7 + - - -
174C ARG* 2.9 70.2 + - - +
215C GLN* 3.8 32.5 - - + +
218C ASN* 4.0 13.4 - - + +
219C LEU* 3.8 28.5 - - + -
222C LYS* 4.1 19.5 - - + -
----------------------------------------------------------
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Residues in contact with ALA 171 (chain C).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
167C LEU 2.9 18.6 + - - +
168C ARG* 3.2 10.1 + - + +
170C LEU* 1.3 73.2 - - - +
172C LEU* 1.3 59.3 + - - +
174C ARG* 3.3 9.1 + - - +
175C GLN* 2.9 34.4 + - + +
----------------------------------------------------------
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Residues in contact with LEU 172 (chain C).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
168C ARG 3.0 15.7 + - - +
169C ARG 3.8 2.9 - - - +
171C ALA* 1.3 75.8 - - - +
173C THR* 1.3 53.9 + - - +
175C GLN* 2.9 15.2 + - + +
176C THR* 2.7 56.0 + - - +
418C PHE* 4.0 7.6 - - + -
421C GLU* 3.5 45.8 - - + +
422C ILE* 3.6 26.7 - - + +
425C ILE* 3.9 12.6 - - + -
----------------------------------------------------------
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Residues in contact with THR 173 (chain C).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
169C ARG 2.6 27.8 + - - -
170C LEU* 3.7 5.2 - - - -
172C LEU* 1.3 73.8 - - - +
174C ARG* 1.3 56.4 + - - +
176C THR* 3.7 1.0 - - - -
177C LEU* 2.8 30.1 + - - +
211C ALA* 3.2 28.0 - - - +
214C GLU* 3.5 15.5 + - + +
215C GLN* 3.4 24.7 - - + +
218C ASN* 2.7 14.9 + - - -
418C PHE* 3.6 18.7 - - + -
422C ILE* 4.7 2.3 - - - +
----------------------------------------------------------
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Residues in contact with ARG 174 (chain C).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
170C LEU* 2.9 48.3 + - - +
171C ALA* 3.6 7.4 - - - +
173C THR* 1.3 75.7 - - - +
175C GLN* 1.3 59.7 + - - +
177C LEU* 3.3 9.3 + - + +
178C VAL* 3.0 36.4 + - + +
215C GLN* 3.6 37.0 - - + +
219C LEU* 5.1 5.3 - - - +
----------------------------------------------------------
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Residues in contact with GLN 175 (chain C).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
171C ALA 2.9 16.2 + - - +
172C LEU* 2.9 16.7 + - + +
174C ARG* 1.3 73.8 - - - +
176C THR* 1.3 66.5 + - - +
178C VAL* 3.3 6.2 + - - +
179C SER* 2.9 25.7 + - - -
----------------------------------------------------------
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Residues in contact with THR 176 (chain C).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
172C LEU* 2.7 40.4 + - - +
173C THR 3.7 4.3 - - - -
175C GLN* 1.3 72.7 - - - +
177C LEU* 1.3 63.4 + - - +
179C SER* 3.2 8.2 + - - -
180C ARG* 3.1 60.9 + - + +
211C ALA* 4.8 0.9 - - + -
418C PHE* 3.4 27.3 - - + -
----------------------------------------------------------
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Residues in contact with LEU 177 (chain C).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
173C THR 2.8 22.0 + - - +
174C ARG* 3.5 10.5 - - + +
175C GLN 3.2 0.2 - - - -
176C THR* 1.3 73.4 - - - +
178C VAL* 1.3 57.9 + - + +
180C ARG* 3.1 5.6 + - - +
181C GLU* 3.0 52.3 + - + +
208C VAL* 3.8 19.1 - - + +
211C ALA* 4.0 15.5 - - + +
212C ARG* 3.7 36.1 - - + +
215C GLN* 4.1 25.4 - - + +
----------------------------------------------------------
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Residues in contact with VAL 178 (chain C).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
174C ARG* 3.0 19.5 + - + +
175C GLN* 3.3 5.4 + - - +
177C LEU* 1.3 72.6 - - + +
179C SER* 1.3 66.2 + - - +
181C GLU* 3.2 22.8 + - + +
182C TYR* 3.0 47.4 + - + +
----------------------------------------------------------
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Residues in contact with SER 179 (chain C).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
175C GLN 2.9 17.6 + - - -
176C THR* 3.2 10.2 + - - -
178C VAL* 1.3 74.5 - - - +
180C ARG* 1.3 55.9 + - - +
182C TYR* 3.3 9.2 + - - +
183C SER* 2.6 39.3 + - - -
414C GLN* 5.9 1.3 - - - -
----------------------------------------------------------
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Residues in contact with ARG 180 (chain C).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
176C THR* 3.1 43.1 - - - +
177C LEU* 3.1 9.1 + - - +
179C SER* 1.3 75.0 - - - +
181C GLU* 1.3 59.4 + - - +
183C SER* 4.0 6.1 - - - -
184C PHE* 3.1 20.6 + - - +
204C ALA 4.9 0.9 - - - +
207C LEU* 2.6 55.9 + - + +
208C VAL* 3.2 32.1 - - + +
210C GLN* 4.6 6.1 + - - +
211C ALA* 3.9 11.2 - - + +
414C GLN* 3.4 41.4 + - - +
415C ARG* 4.9 1.8 - - - +
418C PHE* 3.4 26.3 - - - +
----------------------------------------------------------
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Residues in contact with GLU 181 (chain C).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
177C LEU* 3.0 35.8 + - + +
178C VAL* 3.2 35.4 + - + +
180C ARG* 1.3 78.3 - - - +
182C TYR* 1.3 65.1 + - + +
184C PHE* 4.1 4.7 - - - +
185C ALA* 3.3 22.2 + - - +
208C VAL* 4.4 11.7 - - + -
212C ARG* 4.2 16.1 + - - +
----------------------------------------------------------
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Residues in contact with TYR 182 (chain C).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
178C VAL* 3.0 33.8 + - + +
179C SER* 3.7 9.4 - - - +
181C GLU* 1.3 78.2 - - + +
183C SER* 1.3 64.6 + - - +
185C ALA* 3.3 16.5 + - + +
186C LEU* 3.3 19.3 + - + +
----------------------------------------------------------
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Residues in contact with SER 183 (chain C).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
179C SER* 2.6 25.4 + - - -
180C ARG* 4.1 6.8 - - - -
182C TYR* 1.3 75.8 - - - +
184C PHE* 1.3 62.4 + - - +
186C LEU* 3.3 17.9 + - - +
187C ILE* 3.2 28.3 + - - +
204C ALA* 6.1 1.6 - - - -
207C LEU* 6.4 0.9 - - - -
410C TYR* 3.9 23.6 + - - -
414C GLN* 4.8 8.9 + - - -
----------------------------------------------------------
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Residues in contact with PHE 184 (chain C).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
180C ARG 3.1 18.1 + - - +
181C GLU* 4.1 4.5 - - - +
182C TYR 3.3 0.2 - - - -
183C SER* 1.3 76.9 - - - +
185C ALA* 1.3 59.2 + - - +
187C ILE* 3.1 2.6 + - + +
188C ASP* 2.7 44.8 + - + +
201C TYR* 3.3 57.2 - + - -
204C ALA* 3.8 16.5 - - + +
205C LEU* 3.6 42.2 - - + -
208C VAL* 4.0 12.3 - - + -
----------------------------------------------------------
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Residues in contact with ALA 185 (chain C).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
181C GLU 3.3 14.1 + - - +
182C TYR* 3.3 13.8 + - + +
184C PHE* 1.3 80.5 - - + +
186C LEU* 1.3 64.7 + - + +
188C ASP* 4.1 7.3 - - - +
189C GLN* 3.3 21.5 + - - +
----------------------------------------------------------
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Residues in contact with LEU 186 (chain C).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
182C TYR* 3.3 15.7 + - + +
183C SER* 3.4 14.8 - - - +
184C PHE 3.2 0.4 - - - -
185C ALA* 1.3 78.6 - - + +
187C ILE* 1.3 57.0 + - - +
189C GLN* 3.3 17.4 + - - +
190C ARG* 2.9 56.4 + - - +
401C GLU* 5.0 7.0 - - - +
----------------------------------------------------------
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Residues in contact with ILE 187 (chain C).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
183C SER* 3.2 14.8 + - - +
184C PHE* 3.1 9.0 + - + +
186C LEU* 1.3 75.9 - - - +
188C ASP* 1.3 60.1 + - - +
189C GLN 3.2 0.4 - - - -
190C ARG* 4.2 18.4 - - - +
191C ARG* 2.8 29.3 + - - +
196C ALA* 4.3 15.3 - - + -
200C ASP* 4.2 2.0 - - + -
201C TYR* 3.8 34.3 - - + +
204C ALA* 3.8 22.4 - - + -
400C TYR* 4.1 18.4 - - + +
407C HIS* 4.1 20.2 - - + +
410C TYR* 5.6 4.9 - - + -
----------------------------------------------------------
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Residues in contact with ASP 188 (chain C).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
184C PHE* 2.7 32.3 + - + +
185C ALA* 4.1 7.6 - - - +
187C ILE* 1.3 72.1 - - - +
189C GLN* 1.3 58.6 + - - +
191C ARG* 4.1 1.0 - - - +
192C ALA* 3.1 27.3 + - - +
201C TYR* 3.3 36.3 + - + -
----------------------------------------------------------
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Residues in contact with GLN 189 (chain C).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
185C ALA 3.3 12.5 + - - +
186C LEU* 3.4 19.8 - - - +
187C ILE 3.2 0.4 - - - -
188C ASP* 1.3 77.9 + - - +
190C ARG* 1.3 62.4 + - - +
192C ALA* 3.3 7.0 + - + +
193C ALA* 2.8 31.2 + - + +
----------------------------------------------------------
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Residues in contact with ARG 190 (chain C).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
183C SER 5.1 0.2 + - - -
186C LEU* 2.9 49.9 + - - +
187C ILE* 3.3 18.1 + - - +
189C GLN* 1.3 79.3 + - + +
191C ARG* 1.3 50.9 + - - +
193C ALA* 3.2 5.8 + - + -
194C GLY 2.8 12.6 + - - -
195C ALA* 2.6 49.1 + - + -
196C ALA* 3.6 24.5 - - + +
400C TYR* 4.8 11.4 + - - -
401C GLU* 3.9 31.1 + - - -
----------------------------------------------------------
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Residues in contact with ARG 191 (chain C).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
187C ILE 2.8 20.5 + - - +
188C ASP 4.3 1.6 - - - +
190C ARG* 1.3 71.3 - - - +
192C ALA* 1.3 64.4 + - - +
194C GLY* 3.5 9.2 + - - +
196C ALA* 3.5 24.1 - - + +
197C THR 4.0 9.9 - - - +
198C ALA* 3.8 22.5 - - - +
201C TYR* 3.7 49.8 - - + -
202C GLN* 5.4 3.6 - - - +
----------------------------------------------------------
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Residues in contact with ALA 192 (chain C).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
188C ASP* 3.1 21.7 + - - +
189C GLN* 3.3 8.7 + - + +
191C ARG* 1.3 77.0 - - - +
193C ALA* 1.3 60.4 + - - +
194C GLY 3.7 0.2 + - - -
----------------------------------------------------------
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Residues in contact with ALA 193 (chain C).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
189C GLN* 2.8 20.1 + - + +
190C ARG* 3.2 8.7 + - + +
192C ALA* 1.3 76.2 - - - +
194C GLY* 1.3 57.1 + - - +
195C ALA* 3.4 8.7 - - + +
----------------------------------------------------------
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Residues in contact with GLY 194 (chain C).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
190C ARG 2.8 7.3 + - - -
191C ARG* 3.5 9.2 + - - -
192C ALA 3.4 3.6 + - - -
193C ALA* 1.3 76.0 - - - +
195C ALA* 1.3 60.1 + - - +
196C ALA 3.4 7.6 - - - +
----------------------------------------------------------
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A short description of the
analytical approach
The contact analysis used in this page
is based upon the approach
developed in:
Sobolev V., Wade R.C., Vriend G.
and Edelman M. PROTEINS (1996)
25, 120-129.
Contact legitimacy depends on the hydrophobic-hydrophilic
properties of the contacting atoms. In order to
define it, for each inter-atomic contact,
eight atom classes have been introduced:
I Hydrophilic - N and O that can donate and accept hydrogen bonds
(e.g., oxygen of hydroxyl group of Ser. or Thr)
II Acceptor - N or O that can only accept a hydrogen bond
III Donor - N that can only donate a hydrogen bond
IV Hydrophobic - Cl, Br, I and all C atoms that are not in
aromatic rings and do not have a covalent bond to
a N or O atom
V Aromatic - C in aromatic rings irrespective of any other
bonds formed by the atom
VI Neutral - C atoms that have a covalent bond to at least one
atom of class I or two or more atoms from class II
or III; atoms; S, F, P, and metal atoms in all cases
VII Neutral-donor - C atoms that have a covalent bond with only one
atom of class III
VIII Neutral-acceptor - C atoms that have a covalent bond with only
one atom of class II
For each pair of contacts the state of legitimacy
is shown below:
Legend:
+, legitimate
-, illegitimate
------------------------------------------------------------
Atomic class I II III IV V VI VII VIII
------------------------------------------------------------
I (Hydrophilic) + + + - + + + +
II (Acceptor) + - + - + + + -
III (Donor) + + - - + + - +
IV (Hydrophobic) - - - + + + + +
V (Aromatic) + + + + + + + +
VI (Neutral) + + + + + + + +
VII (Neutral-donor) + + - + + + - +
VIII (Neutral-acceptor) + - + + + + + -
------------------------------------------------------------
Warning!
Atom classes for heterogroups are automatically
assigned based on the atomic coordinates. However, in
three cases (see below) the automatic assignment
is currently ambiguous. In these
cases, the user is advised to manually analyse
the full list of contacts using
LPC software.
1. Carbon atoms belonging to a 4-, 5- or 6-member ring are
considered "aromatic" (Class V) if the ring is approximately
planar, and "hydrophobic" (Class IV) or "neutral" (Classes
VI, VII, VIII) if the ring is non-planar.
2. The oxygen atom of a carbonyl or hydroxy group is considered
"hydroxy" (Class I) if the CO bond is longer than 1.29 Å, and
"carbonyl" (Class II) if shorter.
3. All nitrogen atoms are considered "hydrophilic" (Class I).
Please E-mail any
questions and/or suggestions concerning this page to
Vladimir.Sobolev@weizmann.ac.il