Contacts of the helix formed by residues 127 - 158 (chain I) in PDB entry 3A68
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 127 (chain I).
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
122I ASP* 5.0 0.2 - - - -
123I HIS* 2.9 19.8 + - - -
124I ALA 4.9 0.4 - - - -
125I ASP 3.4 2.2 - - - -
126I LYS* 1.3 79.5 - - - +
128I ASP* 1.3 67.4 + - - -
129I ALA 3.4 2.6 + - - -
130I LEU 3.5 1.0 + - - -
131I HIS* 3.0 23.0 + - - +
193I LYS* 4.0 17.8 - - - +
----------------------------------------------------------
Back to top of page
Residues in contact with ASP 128 (chain I).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
190B ARG* 3.1 40.7 + - - -
69I TYR* 4.1 8.2 + - + +
70I PHE* 3.6 15.7 - - + -
75I VAL* 3.6 15.4 - - - +
77I LEU* 3.9 1.1 - - - +
121I PHE 3.6 20.5 - - - +
122I ASP* 3.8 22.6 + - - +
123I HIS 4.3 0.2 - - - +
127I GLY* 1.3 72.0 - - - +
129I ALA* 1.3 80.9 + - - +
131I HIS* 3.7 1.0 - - - +
132I ALA* 2.9 26.5 + - - +
197I VAL* 5.0 0.2 - - - +
----------------------------------------------------------
Back to top of page
Residues in contact with ALA 129 (chain I).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
70I PHE* 4.3 0.4 - - - -
77I LEU* 4.1 3.8 - - + -
80I LEU* 3.7 29.0 - - + +
127I GLY 3.4 0.6 - - - -
128I ASP* 1.3 85.5 + - - +
130I LEU* 1.3 64.5 + - - +
132I ALA* 3.8 1.7 - - - +
133I MET* 3.0 24.4 + - - +
188I LEU* 3.8 16.8 - - + +
197I VAL* 3.6 33.4 - - + -
----------------------------------------------------------
Back to top of page
Residues in contact with LEU 130 (chain I).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
126I LYS* 3.6 37.0 + - + +
127I GLY 3.5 2.0 + - - -
128I ASP 3.4 0.2 - - - -
129I ALA* 1.3 75.7 - - - +
131I HIS* 1.3 66.7 + - - +
133I MET 3.3 0.3 + - - -
134I GLU* 2.9 48.8 + - - +
185I VAL* 3.9 22.2 - - + +
188I LEU* 4.1 20.6 - - + +
189I ARG* 3.9 33.4 - - + +
197I VAL* 5.8 2.4 - - + +
----------------------------------------------------------
Back to top of page
Residues in contact with HIS 131 (chain I).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
25D LEU* 4.2 14.9 - - + +
118I LEU* 6.2 1.4 - - - +
120I ASP 5.5 0.6 + - - -
121I PHE* 3.4 25.8 - - + +
122I ASP 3.8 12.3 + - - -
123I HIS* 3.5 33.4 + + + -
126I LYS* 4.2 13.6 + - + +
127I GLY 3.0 19.2 + - - +
128I ASP 3.7 2.9 - - - +
130I LEU* 1.3 78.2 - - - +
132I ALA* 1.3 56.5 + - - +
134I GLU* 3.3 3.2 + - - +
135I LEU* 2.9 64.6 + - + +
----------------------------------------------------------
Back to top of page
Residues in contact with ALA 132 (chain I).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
66I MET* 3.1 25.8 - - + +
70I PHE* 3.4 40.4 - - + -
80I LEU* 4.8 0.2 - - + -
84I PHE* 4.1 5.2 - - + -
121I PHE* 4.6 6.3 - - + -
128I ASP 2.9 8.2 + - - +
129I ALA 3.8 3.1 - - - +
131I HIS* 1.3 77.9 - - - +
133I MET* 1.3 58.8 + - - +
135I LEU* 3.2 8.2 + - - -
136I ALA* 2.8 24.8 + - - +
----------------------------------------------------------
Back to top of page
Residues in contact with MET 133 (chain I).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
80I LEU* 4.4 15.7 - - + -
83I PHE* 4.0 24.5 - - + -
84I PHE* 4.3 8.7 - - + -
129I ALA 3.0 16.0 + - - +
130I LEU 3.9 1.8 - - - +
132I ALA* 1.3 73.8 - - - +
134I GLU* 1.3 60.1 + - - +
136I ALA* 4.2 1.6 - - - -
137I LEU* 2.9 25.1 + - - +
181I ILE* 3.5 17.8 - - + +
184I TYR* 3.5 49.4 - - + -
185I VAL* 3.8 17.0 - - + +
188I LEU* 3.9 12.6 - - + -
200I PHE* 4.5 7.0 - - + -
204I LEU* 4.3 13.7 - - + -
----------------------------------------------------------
Back to top of page
Residues in contact with GLU 134 (chain I).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
25D LEU* 3.7 17.3 - - + +
28D VAL* 4.3 20.7 - - + +
126I LYS* 2.9 39.0 - - - +
130I LEU* 2.9 28.2 + - + +
131I HIS* 3.7 4.6 + - - +
133I MET* 1.3 76.3 - - - +
135I LEU* 1.3 57.6 + - - +
137I LEU* 3.3 6.2 + - - +
138I SER* 3.0 27.2 + - - -
185I VAL* 4.0 21.8 - - + -
189I ARG* 2.8 36.0 + - - +
----------------------------------------------------------
Back to top of page
Residues in contact with LEU 135 (chain I).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
18D PHE* 4.8 13.2 - - + -
21D VAL* 4.3 19.5 - - + +
25D LEU* 3.5 30.7 - - + +
66I MET* 4.6 6.1 - - + -
118I LEU* 5.5 3.8 - - + -
121I PHE* 3.7 30.7 - - + -
131I HIS* 2.9 41.9 + - + +
132I ALA* 3.2 8.5 + - - +
134I GLU* 1.3 74.1 - - - +
136I ALA* 1.3 59.6 + - - +
138I SER* 2.6 20.3 + - - -
139I LEU* 2.9 22.0 + - + +
----------------------------------------------------------
Back to top of page
Residues in contact with ALA 136 (chain I).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
63I TYR* 3.7 28.7 + - + +
66I MET* 4.3 2.4 - - + +
83I PHE* 5.2 0.2 - - + -
84I PHE* 4.1 13.7 - - + -
132I ALA 2.8 17.2 + - - +
133I MET* 3.3 8.9 + - - +
135I LEU* 1.3 75.4 - - - +
137I LEU* 1.3 63.4 + - - +
139I LEU* 3.2 8.0 + - - +
140I GLU* 3.0 28.1 + - - +
181I ILE* 4.2 14.1 - - + -
----------------------------------------------------------
Back to top of page
Residues in contact with LEU 137 (chain I).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
28D VAL* 4.2 21.8 - - + -
36D LEU* 3.8 26.9 - - + +
133I MET 2.9 14.0 + - - +
134I GLU* 3.5 8.7 - - - +
135I LEU 3.2 0.2 - - - -
136I ALA* 1.3 76.1 - - - +
138I SER* 1.3 57.0 + - - +
140I GLU* 3.2 4.1 + - + -
141I LYS* 2.9 40.1 + - + +
178I ILE* 3.8 26.7 - - + +
181I ILE* 3.6 11.6 - - + +
182I SER* 3.3 28.5 - - - +
185I VAL* 4.5 12.8 - - + -
----------------------------------------------------------
Back to top of page
Residues in contact with SER 138 (chain I).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
21D VAL* 3.4 24.1 - - - +
24D GLU* 3.7 18.8 - - - +
25D LEU* 3.9 28.0 - - - -
28D VAL* 6.5 0.2 - - - -
134I GLU 3.0 12.7 + - - -
135I LEU* 2.6 24.8 + - - +
137I LEU* 1.3 76.7 - - - +
139I LEU* 1.3 56.4 + - - +
141I LYS* 3.3 2.6 + - - -
142I LEU* 2.8 28.9 + - - +
----------------------------------------------------------
Back to top of page
Residues in contact with LEU 139 (chain I).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
17D PRO* 4.5 20.0 - - + +
18D PHE* 5.7 4.3 - - + -
21D VAL* 3.3 28.9 - - + -
59I VAL* 4.3 21.3 - - + +
62I VAL* 3.5 32.3 - - + -
63I TYR* 4.6 12.1 - - + +
66I MET* 4.7 7.2 - - - -
135I LEU* 2.9 18.8 + - + +
136I ALA* 3.4 15.3 - - - +
138I SER* 1.3 77.6 + - - +
140I GLU* 1.3 56.7 + - - +
142I LEU* 3.3 7.8 + - + +
143I THR* 2.9 33.2 + - - -
----------------------------------------------------------
Back to top of page
Residues in contact with GLU 140 (chain I).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
59I VAL* 4.5 1.7 - - - +
63I TYR* 2.4 41.0 + - - +
91I GLU* 3.7 16.3 - - - +
136I ALA 3.0 13.9 + - - +
137I LEU* 3.7 4.9 - - - +
139I LEU* 1.3 73.8 - - - +
141I LYS* 1.3 61.2 + - - +
143I THR* 3.4 5.0 + - - -
144I ASN* 3.0 17.3 + - - +
174I GLN* 2.7 51.4 + - - +
177I ALA* 4.0 14.1 - - + +
178I ILE* 3.9 16.2 - - + -
181I ILE* 3.4 20.1 - - + +
----------------------------------------------------------
Back to top of page
Residues in contact with LYS 141 (chain I).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
24D GLU* 3.7 26.5 - - + +
27D LEU 5.7 1.8 + - - -
28D VAL* 5.8 2.0 - - - +
29D PRO* 5.1 8.1 - - - +
36D LEU 2.7 29.9 + - - -
37D ALA 3.6 15.0 - - - -
38D ARG 3.2 18.9 + - - -
39D GLN* 2.9 43.1 + - + +
137I LEU* 2.9 34.1 + - + +
138I SER* 3.8 4.3 - - - +
140I GLU* 1.3 73.8 - - - +
142I LEU* 1.3 65.7 + - - +
144I ASN* 3.2 1.1 + - - -
145I GLU* 3.0 12.3 + - - +
178I ILE* 4.2 10.3 - - + -
----------------------------------------------------------
Back to top of page
Residues in contact with LEU 142 (chain I).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
15D PHE* 3.7 32.1 - - + -
17D PRO* 4.1 6.1 - - + +
20D GLU* 4.0 31.4 - - + +
21D VAL* 4.0 20.2 - - + -
24D GLU* 4.6 8.0 - - + +
55I VAL* 5.8 0.4 - - + -
59I VAL* 6.0 1.6 - - + -
138I SER 2.8 18.1 + - - +
139I LEU* 3.5 9.9 - - + +
140I GLU 3.3 0.2 - - - -
141I LYS* 1.3 77.6 - - - +
143I THR* 1.3 61.8 + - - +
145I GLU* 3.2 22.4 + - - +
146I LYS* 3.0 43.7 + - + +
----------------------------------------------------------
Back to top of page
Residues in contact with THR 143 (chain I).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
52I GLN* 4.0 5.2 - - - +
55I VAL* 4.3 5.6 - - + +
56I GLU* 3.5 27.8 - - - +
59I VAL* 3.5 25.1 - - - +
91I GLU* 4.8 0.5 + - - -
139I LEU 2.9 18.0 + - - -
140I GLU* 3.6 8.0 + - - -
142I LEU* 1.3 76.1 - - - +
144I ASN* 1.3 58.0 + - - +
146I LYS* 3.2 8.4 + - - +
147I LEU* 2.8 30.9 + - + +
174I GLN* 4.0 15.0 - - - +
214I CA 3.9 12.6 - - - -
----------------------------------------------------------
Back to top of page
Residues in contact with ASN 144 (chain I).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
39D GLN* 3.0 30.9 + - - +
140I GLU 3.0 13.2 + - - +
141I LYS 3.4 8.5 - - - +
143I THR* 1.3 76.7 - - - +
145I GLU* 1.3 63.4 + - - +
147I LEU* 3.2 3.6 + - - +
148I LEU* 2.9 47.0 + - - +
171I LEU* 4.3 10.9 - - - +
174I GLN* 3.4 29.9 - - + +
175I VAL* 5.1 9.8 - - - +
178I ILE* 3.8 9.1 - - + +
----------------------------------------------------------
Back to top of page
Residues in contact with GLU 145 (chain I).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
20D GLU* 5.5 0.9 - - - +
24D GLU* 4.9 9.9 - - - +
39D GLN* 4.1 11.9 + - - +
40D LYS* 5.4 8.3 + - + +
141I LYS 3.0 13.1 + - - +
142I LEU* 3.4 26.0 - - - +
144I ASN* 1.3 75.9 - - - +
146I LYS* 1.3 68.9 + - + +
148I LEU* 3.4 8.7 + - - +
149I ASN* 2.9 29.3 + - + +
----------------------------------------------------------
Back to top of page
Residues in contact with LYS 146 (chain I).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
14D ILE 5.8 1.4 + - - -
15D PHE* 3.9 21.0 - - - +
20D GLU* 2.8 30.3 + - - -
52I GLN* 3.3 24.1 - - - +
55I VAL* 4.1 20.8 - - + +
142I LEU* 3.0 25.7 + - + +
143I THR 3.5 6.1 - - - +
145I GLU* 1.3 83.4 + - + +
147I LEU* 1.3 60.7 + - - +
149I ASN* 3.2 11.0 + - + +
150I LEU* 2.9 24.8 + - - +
----------------------------------------------------------
Back to top of page
Residues in contact with LEU 147 (chain I).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
52I GLN* 3.5 29.1 + - + +
56I GLU* 4.0 7.0 - - - +
98I LEU* 5.3 0.9 - - + -
143I THR* 2.8 26.2 + - + +
144I ASN 3.6 3.8 - - - +
146I LYS* 1.3 74.6 - - - +
148I LEU* 1.3 57.8 + - - +
150I LEU* 3.2 9.6 + - + +
151I HIS* 2.9 27.0 + - - +
166I VAL* 3.8 13.8 - - + +
170I TYR* 3.8 41.5 - - + +
171I LEU* 3.9 13.5 - - + -
174I GLN* 4.0 33.2 - - + +
----------------------------------------------------------
Back to top of page
Residues in contact with LEU 148 (chain I).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
39D GLN* 5.8 0.2 - - - -
40D LYS* 3.7 46.0 - - + +
160D VAL* 4.1 23.0 - - + +
161D GLN* 5.2 4.5 - - + +
144I ASN* 2.9 43.4 + - - +
145I GLU* 3.8 4.5 - - - +
147I LEU* 1.3 72.7 - - - +
149I ASN* 1.3 60.3 + - - +
151I HIS* 3.3 6.6 + - + +
152I SER* 2.9 30.1 + - - -
171I LEU* 3.9 29.8 - - + -
----------------------------------------------------------
Back to top of page
Residues in contact with ASN 149 (chain I).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
48I ALA* 6.1 1.2 - - - +
145I GLU* 2.9 15.3 + - + +
146I LYS* 3.5 14.5 + - + +
147I LEU 3.2 0.2 - - - -
148I LEU* 1.3 77.8 - - - +
150I LEU* 1.3 57.9 + - - +
152I SER* 2.9 13.0 + - - -
153I VAL* 2.8 42.3 + - - +
----------------------------------------------------------
Back to top of page
Residues in contact with LEU 150 (chain I).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
48I ALA* 3.5 38.6 - - + +
49I VAL* 4.0 14.1 - - + +
52I GLN* 3.9 30.7 - - + +
98I LEU* 4.4 13.2 - - + -
146I LYS 2.9 13.4 + - - +
147I LEU* 3.2 11.9 + - + +
149I ASN* 1.3 77.5 - - - +
151I HIS* 1.3 64.0 + - - +
153I VAL* 3.2 6.5 + - + +
154I ALA* 3.0 21.7 + - - +
162I LEU* 4.5 8.7 - - + -
166I VAL* 3.7 27.8 - - + -
----------------------------------------------------------
Back to top of page
Residues in contact with HIS 151 (chain I).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
160D VAL* 3.5 38.5 - - + +
147I LEU 2.9 12.7 + - - +
148I LEU* 3.4 12.6 - - - +
150I LEU* 1.3 78.1 - - - +
152I SER* 1.3 58.6 + - - +
154I ALA* 3.3 7.7 + - - +
155I THR* 2.9 50.6 + - - -
163I ALA* 3.3 32.3 + - + +
166I VAL* 4.3 13.2 - - + +
167I GLU* 3.1 26.1 + - + -
171I LEU* 4.4 5.6 - - + -
----------------------------------------------------------
Back to top of page
Residues in contact with SER 152 (chain I).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
40D LYS* 6.0 0.2 + - - -
148I LEU 2.9 15.0 + - - -
149I ASN* 2.9 16.5 + - - -
151I HIS* 1.3 76.3 + - - +
153I VAL* 1.3 61.6 + - - +
155I THR* 3.2 2.0 + - - -
156I LYS* 2.9 58.3 + - - +
----------------------------------------------------------
Back to top of page
Residues in contact with VAL 153 (chain I).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
44I GLU* 3.8 29.5 - - + +
45I SER* 4.7 3.6 - - - -
48I ALA* 4.0 24.7 - - + -
149I ASN* 2.8 39.3 + - - +
150I LEU* 3.2 8.0 + - + +
152I SER* 1.3 74.2 - - - +
154I ALA* 1.3 64.4 + - - +
156I LYS* 3.4 4.5 + - - +
157I ASN* 2.9 39.0 + - - +
162I LEU* 6.0 0.2 - - + -
----------------------------------------------------------
Back to top of page
Residues in contact with ALA 154 (chain I).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
45I SER* 4.7 0.9 - - - -
150I LEU 3.0 10.7 + - - +
151I HIS* 3.6 8.5 - - - +
153I VAL* 1.3 78.4 - - - +
155I THR* 1.3 56.3 + - - +
157I ASN* 3.2 3.2 + - - -
158I GLY 2.9 8.3 + - - -
159I ASP* 2.8 37.5 + - + +
162I LEU* 3.6 37.9 - - + +
163I ALA* 3.7 18.4 - - - +
----------------------------------------------------------
Back to top of page
Residues in contact with THR 155 (chain I).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
151I HIS* 2.9 41.0 + - - -
152I SER* 3.2 5.1 + - - -
154I ALA* 1.3 77.0 - - - +
156I LYS* 1.3 75.7 + - + +
158I GLY* 3.0 18.7 + - - -
159I ASP 5.0 0.7 - - - +
163I ALA* 4.2 7.4 - - - +
----------------------------------------------------------
Back to top of page
Residues in contact with LYS 156 (chain I).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
44I GLU* 6.2 0.9 - - - +
152I SER* 2.9 40.7 + - - +
153I VAL* 4.0 4.3 - - - +
155I THR* 1.3 93.2 - - + +
157I ASN* 1.3 63.0 + - - +
158I GLY 3.2 0.6 + - - -
----------------------------------------------------------
Back to top of page
Residues in contact with ASN 157 (chain I).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
42I VAL* 3.8 22.3 - - + +
44I GLU* 2.7 43.1 + - - +
45I SER* 3.5 16.4 + - - +
153I VAL* 2.9 26.2 + - - +
154I ALA 3.7 3.8 - - - +
156I LYS* 1.3 79.2 + - - +
158I GLY* 1.3 62.4 + - - +
159I ASP* 3.5 4.0 + - + +
----------------------------------------------------------
Back to top of page
Residues in contact with GLY 158 (chain I).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
154I ALA 2.9 2.8 + - - -
155I THR* 3.0 14.6 + - - -
156I LYS 3.2 1.2 + - - -
157I ASN* 1.3 79.4 - - - +
159I ASP* 1.3 60.5 + - - +
160I VAL* 3.2 15.8 + - - +
----------------------------------------------------------
Back to top of page
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