Contacts of the helix formed by residues 89 - 119 (chain A) in PDB entry 2QJK
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 89 (chain A).
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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87A VAL 3.0 2.8 + - - -
88A ASN* 1.3 73.1 - - - +
90A GLY* 1.3 64.8 + - - +
91A PHE* 3.3 24.0 - - - -
92A MET* 3.2 8.0 + - - +
93A LEU* 3.0 28.1 + - - +
33C PRO* 6.0 4.5 - - - -
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Residues in contact with GLY 90 (chain A).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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83A ILE* 3.2 34.4 - - - +
87A VAL* 2.9 18.3 + - - -
88A ASN 3.1 1.4 - - - -
89A GLY* 1.3 75.0 - - - +
91A PHE* 1.3 67.9 - - - +
93A LEU* 2.8 18.6 + - - +
94A ARG* 2.9 15.2 + - - +
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Residues in contact with PHE 91 (chain A).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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83A ILE 3.6 5.5 + - - -
84A MET* 3.5 37.0 + - + +
87A VAL 5.5 0.7 - - - -
89A GLY* 4.2 19.1 - - - -
90A GLY* 1.3 77.6 - - - +
92A MET* 1.3 104.6 + - + +
93A LEU 3.3 0.2 + - - -
94A ARG* 3.6 0.9 + - - +
95A TYR* 3.3 30.5 + + + -
220B GLU* 5.6 3.1 - - - +
222B LYS* 3.4 36.6 - - + -
225B ALA* 3.8 22.7 - - + -
226B ARG* 3.5 33.4 - - + -
229B ALA* 5.2 2.0 - - + -
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Residues in contact with MET 92 (chain A).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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89A GLY* 3.2 9.2 + - - +
90A GLY 3.1 1.0 - - - -
91A PHE* 1.3 114.0 - - + +
93A LEU* 1.3 63.2 + - + +
95A TYR* 4.2 3.5 - - - +
96A LEU* 3.2 63.8 + - + +
264A PHE* 4.5 15.9 - - + -
267A VAL* 4.3 24.0 - - + +
268A GLY* 5.2 2.5 - - - -
226B ARG* 4.6 6.5 - - + +
229B ALA* 4.2 24.5 - - + -
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Residues in contact with LEU 93 (chain A).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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61A THR* 4.1 25.1 - - + +
64A VAL* 3.4 31.0 - - + -
65A LEU* 4.1 15.9 - - + +
87A VAL* 5.2 2.0 - - + -
88A ASN 4.8 0.7 - - - +
89A GLY 3.0 18.9 + - - +
90A GLY* 2.8 12.9 + - - +
92A MET* 1.3 76.7 - - + +
94A ARG* 1.3 68.5 + - - +
96A LEU* 3.0 11.5 + - + +
97A HIS* 2.9 20.8 + - - +
33C PRO* 5.0 9.6 - - + +
34C LEU* 4.5 15.7 - - + -
37C GLN* 4.2 18.2 - - + -
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Residues in contact with ARG 94 (chain A).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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65A LEU* 4.2 18.0 - - + +
77A PHE* 6.0 3.0 - - - -
80A VAL* 3.5 32.0 - - + +
81A GLU* 4.9 1.2 + - - -
83A ILE* 4.9 3.1 - - + -
84A MET* 3.6 45.5 - - + +
90A GLY 2.9 9.3 + - - +
93A LEU* 1.3 78.4 - - - +
95A TYR* 1.3 74.3 + - - +
97A HIS* 2.8 11.4 + - - +
98A ALA* 3.0 12.7 + - - -
150A PRO* 4.2 11.1 - - - +
279A ASN* 5.6 3.6 + - - +
280A TYR* 4.5 22.2 + - - -
502A HEM 2.9 50.2 + - - +
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Residues in contact with TYR 95 (chain A).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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84A MET* 3.5 22.9 - - + -
91A PHE* 3.3 22.9 + + + +
92A MET* 4.2 3.1 - - + +
94A ARG* 1.3 84.4 - - - +
96A LEU* 1.3 64.0 + - - +
98A ALA* 4.5 3.8 - - + -
99A ASN* 2.9 36.7 + - - +
267A VAL* 3.9 16.2 - - + -
271A PRO* 3.6 21.8 - - + -
272A ASN* 3.1 35.2 + - - -
280A TYR* 3.7 4.7 - - - -
105B LYS* 3.1 13.2 + - - -
220B GLU* 2.7 24.0 + - - -
226B ARG* 3.5 31.6 - - + -
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Residues in contact with LEU 96 (chain A).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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57A LEU* 4.5 14.1 - - + +
58A GLN* 3.9 0.5 - - - +
61A THR* 4.5 13.0 - - + -
92A MET* 3.2 46.9 + - + +
93A LEU* 3.0 20.0 + - + +
95A TYR* 1.3 77.9 - - - +
97A HIS* 1.3 58.3 + - - +
99A ASN 3.8 0.2 - - - -
100A GLY* 2.8 27.7 + - - -
263A PHE* 3.4 38.0 - - + -
264A PHE* 4.2 19.5 - - + -
267A VAL* 4.0 10.5 - - + -
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Residues in contact with HIS 97 (chain A).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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57A LEU* 6.0 0.2 - - - -
58A GLN* 2.8 65.0 + - - +
61A THR* 3.2 21.1 + - - +
62A GLY* 3.7 6.5 + - - -
65A LEU* 3.6 20.4 - - + -
93A LEU 2.9 4.8 + - - +
94A ARG 2.8 8.8 + - - +
96A LEU* 1.3 76.2 - - - +
98A ALA* 1.3 65.2 + - - +
100A GLY 3.3 0.2 + - - -
101A ALA* 3.3 2.8 + - - +
502A HEM 2.0 88.0 + + + +
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Residues in contact with ALA 98 (chain A).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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94A ARG* 3.0 16.4 + - - +
95A TYR* 3.8 8.5 - - + +
97A HIS* 1.3 72.4 - - - +
99A ASN* 1.3 62.4 + - - +
100A GLY 2.8 3.8 - - - -
101A ALA* 2.7 32.0 + - - +
102A SER* 3.5 3.9 + - - -
502A HEM 3.6 37.4 - - + +
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Residues in contact with ASN 99 (chain A).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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95A TYR* 2.9 33.9 + - - +
98A ALA* 1.3 76.6 - - - +
100A GLY* 1.3 62.5 + - - +
102A SER* 3.3 11.1 + - - -
103A LEU* 3.0 23.0 + - - +
263A PHE* 3.7 20.2 - - + -
266A ILE* 4.1 13.5 - - - +
267A VAL* 4.3 11.0 - - + +
271A PRO* 3.2 42.8 + - - +
274A LEU* 4.2 16.3 - - - +
503A LOP 4.5 5.7 - - + +
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Residues in contact with GLY 100 (chain A).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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54A CYS* 4.2 3.6 - - - -
57A LEU* 4.6 6.5 - - - -
58A GLN* 3.0 23.9 - - - +
96A LEU 2.8 15.1 + - - -
98A ALA 2.8 2.4 + - - -
99A ASN* 1.3 78.9 - - - +
101A ALA* 1.3 51.0 + - - +
103A LEU* 3.4 4.2 + - - +
104A PHE* 2.8 34.7 + - - +
263A PHE* 4.2 10.8 - - - -
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Residues in contact with ALA 101 (chain A).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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58A GLN* 3.4 4.4 + - - -
97A HIS 3.3 6.8 + - - +
98A ALA 2.7 11.3 + - - +
100A GLY* 1.3 74.1 - - - +
102A SER* 1.3 66.6 + - - +
104A PHE* 3.0 11.7 - - - +
105A PHE* 2.9 29.5 + - + -
143A ALA* 5.5 0.4 - - + -
297A TYR* 4.3 14.6 - - + +
502A HEM 4.0 39.0 - - + -
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Residues in contact with SER 102 (chain A).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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98A ALA 3.5 5.6 + - - -
99A ASN* 3.3 11.0 + - - -
101A ALA* 1.3 74.8 - - - +
103A LEU* 1.3 68.8 + - - +
105A PHE* 2.8 13.0 + - - +
106A ILE* 2.8 20.6 + - - +
274A LEU* 3.4 37.6 + - - +
296A TRP* 3.5 25.4 + - - +
297A TYR* 4.3 8.0 - - - -
503A LOP 4.9 0.2 - - - -
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Residues in contact with LEU 103 (chain A).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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47A TRP* 5.9 2.0 - - + -
50A VAL* 4.6 11.4 - - + -
53A PHE* 4.9 11.2 - - + -
54A CYS* 3.4 22.9 - - - -
57A LEU* 5.3 2.5 - - + -
99A ASN 3.0 10.7 + - - +
100A GLY 3.5 7.4 - - - +
102A SER* 1.3 76.9 - - - +
104A PHE* 1.3 63.0 + - - +
106A ILE* 3.3 12.4 + - + +
107A ALA* 2.9 26.5 + - + +
259A VAL* 4.1 16.6 - - + -
260A LEU* 4.9 1.8 - - + -
263A PHE* 4.1 28.9 - - + -
503A LOP 3.6 42.3 - - + +
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Residues in contact with PHE 104 (chain A).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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51A LEU* 3.5 35.8 - - + +
54A CYS* 3.6 17.7 - - + -
55A LEU* 4.3 23.6 - - + -
58A GLN* 4.3 8.3 - - + -
100A GLY 2.8 15.4 + - - +
101A ALA* 3.0 15.2 + - - +
103A LEU* 1.3 77.4 - - - +
105A PHE* 1.3 59.2 + + + +
107A ALA* 4.5 0.2 - - - -
108A VAL* 3.3 16.8 + - - +
139A MET* 3.4 37.6 - - + +
205A ILE* 5.3 0.9 - - + -
501A HEM 4.2 14.6 - - + -
502A HEM 3.7 43.3 - - + -
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Residues in contact with PHE 105 (chain A).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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101A ALA* 2.9 23.5 + - + +
102A SER 2.8 12.4 + - - +
104A PHE* 1.3 70.1 - - + +
106A ILE* 1.3 67.8 + - - +
107A ALA 2.7 3.5 + - - -
108A VAL* 2.7 34.9 + - + +
109A TYR* 2.9 25.1 + + + -
136A TYR* 4.3 7.4 - + - -
139A MET* 4.1 20.6 - - + -
140A MET* 3.9 33.4 - - + -
143A ALA* 3.7 24.0 - - + -
296A TRP* 4.1 1.6 - - + -
297A TYR* 3.2 57.2 - + + -
502A HEM 5.6 2.7 - - + -
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Residues in contact with ILE 106 (chain A).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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47A TRP* 5.4 1.8 - - + -
102A SER* 2.8 26.8 + - - +
103A LEU* 3.4 12.8 - - + +
105A PHE* 1.3 71.0 - - - +
107A ALA* 1.3 64.3 + - - +
109A TYR* 3.6 5.7 + - - +
110A LEU* 3.2 30.8 + - + +
274A LEU* 5.3 3.8 - - + -
296A TRP* 3.8 23.5 - - + -
503A LOP 3.7 60.3 - - + -
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Residues in contact with ALA 107 (chain A).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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47A TRP* 4.3 24.3 - - + +
50A VAL* 4.6 13.5 - - + +
51A LEU* 3.6 19.5 - - + +
54A CYS* 5.2 0.2 - - - -
103A LEU* 2.9 17.6 + - + +
104A PHE* 3.5 8.5 - - - +
105A PHE 2.7 3.6 + - - -
106A ILE* 1.3 76.4 - - - +
108A VAL* 1.3 50.7 + - - +
110A LEU* 3.0 5.5 + - - +
111A HIS* 2.7 36.1 + - - +
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Residues in contact with VAL 108 (chain A).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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51A LEU* 4.0 9.0 - - + -
104A PHE 3.3 5.9 + - - +
105A PHE* 2.7 56.4 + - + +
107A ALA* 1.3 76.6 - - - +
109A TYR* 1.3 56.4 + - + +
111A HIS* 3.8 7.2 - - + -
112A ILE* 2.6 58.2 + - + +
136A TYR* 4.1 9.9 - - + -
139A MET* 4.5 10.1 - - + -
501A HEM 3.6 31.6 - - + -
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Residues in contact with TYR 109 (chain A).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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105A PHE* 2.9 38.6 + + + +
106A ILE* 4.0 5.4 - - - +
108A VAL* 1.3 74.8 - - + +
110A LEU* 1.3 56.0 + - + +
112A ILE* 3.1 15.4 + - + +
113A PHE* 2.7 47.6 + + + -
136A TYR* 2.7 42.4 + + - -
140A MET* 5.0 0.5 - - - -
296A TRP* 4.3 19.5 - + - -
297A TYR* 2.8 28.5 + - - -
300A PRO* 5.1 0.6 - - + +
301A PHE* 4.0 5.9 - + - -
374A PHE* 3.7 43.3 - + + -
503A LOP 4.8 11.0 - - + -
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Residues in contact with LEU 110 (chain A).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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44A MET* 5.0 5.4 - - - +
47A TRP* 3.4 56.6 - - + +
106A ILE* 3.2 19.5 + - + +
107A ALA 3.0 7.5 + - - +
109A TYR* 1.3 76.6 - - + +
111A HIS* 1.3 58.2 + - - +
113A PHE* 4.1 2.8 - - - +
114A ARG* 2.8 33.5 + - - +
503A LOP 4.1 69.8 - - + +
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Residues in contact with HIS 111 (chain A).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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47A TRP* 4.2 10.5 - - + +
48A GLY* 3.8 12.8 + - - -
51A LEU* 3.4 11.9 - - + -
107A ALA 2.7 17.2 + - - +
108A VAL* 3.3 11.7 - - - +
110A LEU* 1.3 73.4 - - - +
112A ILE* 1.3 62.5 + - - +
114A ARG* 3.3 25.2 + - - +
115A GLY* 3.1 16.6 + - - -
501A HEM 1.9 112.2 + + + +
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Residues in contact with ILE 112 (chain A).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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108A VAL* 2.6 54.9 + - + +
109A TYR* 3.4 26.5 - - + +
111A HIS* 1.3 70.0 - - - +
113A PHE* 1.3 70.7 + - + +
115A GLY* 2.9 12.8 + - - -
116A LEU* 3.0 24.1 + - + +
129A TRP* 4.0 24.1 - - + -
133A MET* 6.1 0.9 - - - -
136A TYR* 4.4 11.2 - - + -
343A MET* 4.3 21.8 - - + -
501A HEM 4.2 18.6 - - + -
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Residues in contact with PHE 113 (chain A).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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109A TYR* 2.7 32.4 + + + +
110A LEU 4.1 0.9 - - - +
112A ILE* 1.3 77.0 - - + +
114A ARG* 1.3 63.1 + - - +
116A LEU* 3.2 18.8 + - + +
117A TYR* 3.0 24.8 + - - +
367A PHE* 3.8 15.0 - + - -
370A LEU* 4.1 27.4 - - + -
371A ALA* 4.2 11.4 - - - -
374A PHE* 3.7 48.5 - + + -
400A TRP* 4.7 7.2 - + - -
503A LOP 3.4 52.9 - - + -
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Residues in contact with ARG 114 (chain A).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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44A MET* 3.2 59.0 + - + +
45A TRP* 3.5 27.1 - - - +
110A LEU 2.8 20.7 + - - +
111A HIS* 3.3 22.3 + - - +
113A PHE* 1.3 78.4 - - - +
115A GLY* 1.3 76.2 + - - +
117A TYR* 3.4 0.3 + - - +
118A TYR* 3.2 34.7 + - + -
120A SER* 4.0 10.2 + - - -
501A HEM 3.0 63.5 + - - +
503A LOP 3.8 13.2 + - - +
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Residues in contact with GLY 115 (chain A).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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111A HIS 3.1 5.4 + - - -
112A ILE 2.9 9.0 + - - -
114A ARG* 1.3 93.6 - - - +
116A LEU* 1.3 60.9 + - - -
118A TYR 3.2 1.0 + - - -
119A GLY 3.1 20.8 + - - -
120A SER* 3.1 21.1 + - - -
121A TYR* 3.6 7.7 - - - -
129A TRP* 4.5 8.3 - - - -
501A HEM 5.5 1.1 - - - -
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Residues in contact with LEU 116 (chain A).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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112A ILE* 3.0 26.0 + - + +
113A PHE* 3.6 34.8 - - + +
115A GLY* 1.3 74.6 - - - +
117A TYR* 1.3 60.4 + - - +
119A GLY 3.8 1.7 + - - -
121A TYR* 3.4 33.8 + - + -
129A TRP* 3.8 26.2 - - + -
343A MET* 4.9 6.1 - - + -
346A VAL* 4.1 15.3 - - + -
363A PHE* 3.6 11.8 - - - -
367A PHE* 4.0 11.0 - - + -
370A LEU* 4.2 13.2 - - + -
400A TRP* 6.0 1.1 - - + -
403A TYR* 4.9 5.7 + - + +
404A PHE* 4.3 15.5 - - + -
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Residues in contact with TYR 117 (chain A).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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113A PHE 3.0 10.4 + - - +
114A ARG 3.7 3.6 - - - +
116A LEU* 1.3 79.3 - - - +
118A TYR* 1.3 90.6 + + - +
119A GLY 3.8 0.2 + - - -
357A GLY* 3.0 32.7 + - - -
358A ARG* 3.5 29.7 - - - -
363A PHE* 4.3 7.6 - + - -
364A LYS* 4.1 16.0 + - + +
367A PHE* 3.3 45.9 - + + -
368A TRP* 4.2 17.9 + + - -
503A LOP 3.5 45.5 + - - +
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Residues in contact with TYR 118 (chain A).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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42A ASN* 3.4 19.1 + - - -
44A MET* 4.8 3.8 - - + +
45A TRP* 3.9 14.6 - + + -
114A ARG* 3.2 39.2 + - + +
115A GLY 3.2 0.4 + - - -
117A TYR* 1.3 97.9 - + - +
119A GLY* 1.3 62.9 + - - +
120A SER* 3.1 13.0 + - - +
222A ASN* 3.2 16.2 + - - +
223A ASN 4.5 0.4 - - - -
224A PRO* 3.5 42.0 - - + -
226A GLY* 5.2 0.2 - - - -
355A ARG* 3.7 11.3 - - - +
356A SER* 3.8 13.2 + - - -
357A GLY 4.1 2.9 - - - +
358A ARG* 4.7 0.4 - - - -
503A LOP 2.8 52.2 + - - -
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Residues in contact with GLY 119 (chain A).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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115A GLY 3.1 6.2 + - - -
116A LEU 3.8 2.8 + - - -
117A TYR 3.5 3.6 + - - -
118A TYR* 1.3 76.6 - - - +
120A SER* 1.3 60.7 + - - +
121A TYR* 3.0 13.0 - - - -
122A LYS* 3.0 40.3 + - - +
125A ARG* 5.0 0.3 - - - -
222A ASN* 4.4 0.2 - - - -
355A ARG* 3.6 26.0 + - - +
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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