Contacts of the helix formed by residues 152 - 189 (chain D) in PDB entry 5AQM
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 SER 152 (chain D).
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
150D SER 3.6 3.9 - - - +
151D ASN* 1.3 78.5 - - - +
153D PRO* 1.3 74.3 - - - +
154D GLN* 3.7 7.1 + - - -
155D GLU* 3.0 29.7 + - - +
156D GLU* 3.8 7.2 + - - +
229D ASN* 5.4 4.5 - - - -
230D PHE* 3.3 24.6 - - - -
1261D GOL 4.9 0.2 + - - -
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Residues in contact with PRO 153 (chain D).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
151D ASN 3.8 4.0 - - - +
152D SER* 1.3 84.1 - - - +
154D GLN* 1.4 62.2 + - - +
156D GLU* 3.0 27.8 + - + +
157D VAL* 3.9 5.9 + - - +
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Residues in contact with GLN 154 (chain D).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
152D SER* 3.1 9.2 + - - +
153D PRO* 1.4 79.1 - - - +
155D GLU* 1.4 62.7 + - - +
157D VAL* 3.0 33.6 + - - +
158D GLU* 3.0 29.7 + - - +
230D PHE* 3.9 15.7 - - + -
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Residues in contact with GLU 155 (chain D).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
151D ASN* 4.7 6.5 + - - -
152D SER* 3.0 26.0 + - - +
154D GLN* 1.4 75.8 - - - +
156D GLU* 1.3 58.4 + - - +
158D GLU* 3.0 3.1 + - - -
159D LEU* 2.9 34.9 + - + +
230D PHE* 3.2 41.7 - - + -
232D ASP* 3.5 5.1 + - - -
233D SER* 2.8 45.1 + - - +
1261D GOL 2.7 32.3 + - - -
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Residues in contact with GLU 156 (chain D).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
151D ASN* 5.7 5.4 + - - +
152D SER 4.4 7.1 - - - +
153D PRO* 3.0 20.3 + - + +
155D GLU* 1.3 77.7 - - - +
157D VAL* 1.3 56.9 + - + +
159D LEU* 3.9 22.3 - - - +
160D LYS* 3.0 30.1 + - - +
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Residues in contact with VAL 157 (chain D).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
153D PRO 4.5 6.3 - - - +
154D GLN* 3.0 35.8 + - - +
156D GLU* 1.3 77.2 - - + +
158D GLU* 1.3 60.6 + - - +
160D LYS* 3.3 7.6 + - - +
161D LYS* 3.1 41.4 + - + +
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Residues in contact with GLU 158 (chain D).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
154D GLN* 3.0 25.9 + - - +
155D GLU 3.0 6.4 + - - +
157D VAL* 1.3 73.5 - - - +
159D LEU* 1.3 60.8 + - - +
161D LYS* 3.0 37.9 + - - +
162D LEU* 3.0 33.3 + - + +
224D LEU* 3.5 16.9 - - + +
225D ILE 4.8 5.8 + - - +
226D LEU* 3.8 24.3 - - + +
230D PHE* 3.9 21.1 - - + -
233D SER* 3.8 12.8 - - - +
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Residues in contact with LEU 159 (chain D).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
155D GLU* 2.9 32.0 + - + +
156D GLU* 3.9 29.6 - - - +
158D GLU* 1.3 75.8 - - - +
160D LYS* 1.3 57.4 + - - +
162D LEU* 3.3 5.2 + - - +
163D LYS* 2.9 43.8 + - - +
232D ASP* 4.1 14.8 - - + +
233D SER* 3.5 33.9 - - - +
236D LYS* 3.9 20.5 - - + -
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Residues in contact with LYS 160 (chain D).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
156D GLU 3.0 17.9 + - - +
157D VAL* 3.6 7.6 - - - +
158D GLU 3.3 0.2 - - - -
159D LEU* 1.3 73.9 - - - +
161D LYS* 1.3 64.2 + - - +
163D LYS* 3.2 11.9 + - + +
164D HIS* 3.1 22.7 + - - +
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Residues in contact with LYS 161 (chain D).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
157D VAL* 3.1 31.2 + - + +
158D GLU* 3.0 40.1 + - - +
160D LYS* 1.3 74.5 - - - +
162D LEU* 1.3 62.1 + - - +
164D HIS* 3.3 9.1 + - - +
165D LEU* 3.1 31.5 + - + +
224D LEU* 3.8 25.9 - - + +
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Residues in contact with LEU 162 (chain D).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
158D GLU* 3.0 21.3 + - + +
159D LEU* 3.6 5.4 - - - +
161D LYS* 1.3 74.0 - - - +
163D LYS* 1.3 53.3 + - - +
165D LEU* 3.2 10.0 + - + +
166D GLU* 2.8 39.7 + - - +
221D ILE* 5.0 2.7 - - + -
224D LEU* 3.7 28.5 - - + -
226D LEU* 4.6 2.5 - - + -
233D SER* 3.4 40.4 - - - +
236D LYS* 3.7 22.0 - - + -
237D ARG* 3.9 23.3 - - + +
240D LEU* 4.1 15.9 - - + +
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Residues in contact with LYS 163 (chain D).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
159D LEU* 2.9 31.5 + - - +
160D LYS* 3.2 10.3 + - + +
162D LEU* 1.3 71.9 - - - +
164D HIS* 1.4 60.1 + - - +
166D GLU* 3.2 12.6 + - - +
167D LYS* 3.0 34.0 + - + +
236D LYS* 3.8 21.5 - - - +
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Residues in contact with HIS 164 (chain D).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
160D LYS 3.1 12.1 + - - +
161D LYS* 3.3 12.2 + - - +
163D LYS* 1.4 73.9 - - - +
165D LEU* 1.3 66.9 + - + +
167D LYS* 3.2 11.8 + - + +
168D SER* 2.9 45.7 + - - -
220D GLU* 5.1 7.0 + - - -
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Residues in contact with LEU 165 (chain D).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
161D LYS* 3.1 27.1 + - + +
162D LEU* 3.5 15.9 - - + +
164D HIS* 1.3 79.9 - - + +
166D GLU* 1.4 57.8 + - - +
168D SER* 3.2 6.1 + - - -
169D VAL* 2.9 32.9 + - - +
217D ILE* 4.1 23.3 - - + +
220D GLU* 3.6 47.3 - - + +
221D ILE* 3.9 24.0 - - + -
224D LEU* 4.8 6.7 - - + -
240D LEU* 3.8 14.1 - - + -
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Residues in contact with GLU 166 (chain D).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
162D LEU 2.8 18.0 + - - +
163D LYS* 3.2 15.0 + - - +
165D LEU* 1.4 72.5 - - - +
167D LYS* 1.4 56.7 + - + +
169D VAL* 3.2 4.0 + - - +
170D GLU* 3.0 34.3 + - + +
236D LYS* 3.0 52.0 + - + +
240D LEU* 4.0 27.9 - - + +
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Residues in contact with LYS 167 (chain D).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
163D LYS 3.0 17.9 + - - +
164D HIS* 3.2 13.4 + - + +
166D GLU* 1.4 75.2 - - + +
168D SER* 1.3 62.2 + - - +
170D GLU* 3.2 11.6 + - - +
171D LYS* 3.2 26.3 + - + +
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Residues in contact with SER 168 (chain D).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
164D HIS* 2.9 32.8 + - - -
165D LEU* 3.2 10.9 + - - +
167D LYS* 1.3 73.5 - - - +
169D VAL* 1.3 62.8 + - - +
171D LYS* 3.3 10.3 + - - +
172D ILE* 3.2 27.9 + - - +
217D ILE* 3.7 21.5 - - - -
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Residues in contact with VAL 169 (chain D).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
165D LEU 2.9 18.0 + - - +
166D GLU 3.2 8.3 + - - +
168D SER* 1.3 72.7 - - - +
170D GLU* 1.3 55.8 + - + +
172D ILE* 3.2 8.7 + - - +
173D ALA* 2.8 32.2 + - - +
214D PHE* 4.1 4.2 - - + -
217D ILE* 3.5 31.9 - - + -
240D LEU* 3.8 17.3 - - + -
243D LYS* 4.7 6.1 - - + -
244D VAL* 3.5 22.9 - - + -
247D PHE* 3.8 27.1 - - + -
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Residues in contact with GLU 170 (chain D).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
166D GLU* 3.0 21.7 + - + +
167D LYS* 3.2 11.2 + - - +
169D VAL* 1.3 77.1 - - + +
171D LYS* 1.3 56.6 + - + +
173D ALA* 3.3 8.8 + - - +
174D ASP* 3.0 35.9 + - - +
243D LYS* 6.4 1.6 - - + -
247D PHE* 6.0 0.2 - - - -
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Residues in contact with LYS 171 (chain D).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
167D LYS* 3.2 15.7 + - + +
168D SER* 3.6 9.9 - - - +
169D VAL 3.3 0.4 - - - -
170D GLU* 1.3 73.5 - - + +
172D ILE* 1.3 65.8 + - + +
174D ASP* 3.3 21.9 + - - +
175D GLN* 3.3 21.9 + - - +
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Residues in contact with ILE 172 (chain D).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
168D SER* 3.3 17.7 - - - +
169D VAL* 3.2 3.0 + - - +
171D LYS* 1.3 76.5 - - + +
173D ALA* 1.4 57.3 + - - +
175D GLN* 3.0 14.0 + - - +
176D LEU* 3.0 24.8 + - - +
210D THR* 3.7 23.1 - - + +
213D GLN* 3.8 39.3 - - + +
214D PHE* 3.5 35.2 - - + -
217D ILE* 3.6 32.3 - - + -
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Residues in contact with ALA 173 (chain D).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
169D VAL 2.8 17.4 + - - +
170D GLU* 3.5 9.4 - - - +
172D ILE* 1.4 75.6 - - - +
174D ASP* 1.4 52.4 + - - +
176D LEU* 3.2 10.9 + - - +
177D GLU* 2.8 34.5 + - - +
214D PHE* 4.0 4.9 - - - -
247D PHE* 3.6 36.3 - - + -
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Residues in contact with ASP 174 (chain D).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
170D GLU* 3.0 21.3 + - - +
171D LYS* 3.4 16.5 - - - +
172D ILE 3.2 0.4 - - - -
173D ALA* 1.4 76.4 - - - +
175D GLN* 1.4 55.8 + - + +
177D GLU* 3.3 19.4 + - - +
178D GLU* 3.1 33.3 + - + +
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Residues in contact with GLN 175 (chain D).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
171D LYS* 3.3 19.1 + - - +
172D ILE* 3.0 14.1 + - - +
174D ASP* 1.4 74.7 - - + +
176D LEU* 1.3 59.3 + - - +
178D GLU* 3.3 8.1 + - - +
179D LEU* 3.0 33.5 + - + +
206D ARG* 5.0 1.2 + - - -
209D ALA* 5.9 0.2 - - - +
210D THR* 4.0 12.0 + - - +
213D GLN* 2.8 41.0 + - - +
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Residues in contact with LEU 176 (chain D).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
172D ILE 3.0 11.9 + - - +
173D ALA* 3.2 9.4 + - - +
175D GLN* 1.3 75.1 - - - +
177D GLU* 1.3 58.2 + - - +
179D LEU* 3.1 16.4 + - + +
180D ASN* 2.8 51.1 + - - +
207D VAL* 5.7 0.9 - - + -
210D THR* 4.2 8.7 - - + +
214D PHE* 4.3 2.5 - - + -
247D PHE* 3.6 51.4 - - + +
250D GLU* 3.8 12.6 - - + -
251D CYS* 4.0 26.9 - - - +
254D VAL* 4.4 10.1 - - + -
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Residues in contact with GLU 177 (chain D).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
173D ALA 2.8 16.7 + - - +
174D ASP* 3.5 21.0 - - - +
175D GLN 3.3 0.2 - - - -
176D LEU* 1.3 75.4 - - - +
178D GLU* 1.4 61.5 + - - +
180D ASN* 3.3 12.3 + - + +
181D LYS* 3.0 42.5 + - + +
----------------------------------------------------------
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Residues in contact with GLU 178 (chain D).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
174D ASP* 3.1 18.8 + - + +
175D GLN* 3.3 9.8 + - - +
177D GLU* 1.4 77.0 - - - +
179D LEU* 1.4 60.0 + - - +
181D LYS* 3.4 21.2 + - - +
182D GLU* 2.8 48.9 + - - +
206D ARG* 4.5 4.9 - - - +
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Residues in contact with LEU 179 (chain D).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
175D GLN* 3.0 16.4 + - + +
176D LEU* 3.4 16.6 - - + +
178D GLU* 1.4 74.1 - - - +
180D ASN* 1.4 53.4 + - - +
182D GLU* 3.2 4.8 + - - +
183D LEU* 2.8 36.4 + - - +
203D LEU* 4.0 31.8 - - + +
206D ARG* 3.7 42.1 - - + +
207D VAL* 3.8 26.7 - - + +
210D THR* 3.5 27.4 - - + +
254D VAL* 5.3 8.5 - - + -
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Residues in contact with ASN 180 (chain D).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
176D LEU* 2.8 34.5 + - - +
177D GLU* 3.4 12.7 - - - +
179D LEU* 1.4 72.3 - - - +
181D LYS* 1.3 57.7 + - + +
183D LEU* 3.5 12.3 - - - +
184D THR* 3.1 30.9 + - - -
250D GLU* 3.4 25.2 + - - +
254D VAL* 3.5 23.2 - - - +
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Residues in contact with LYS 181 (chain D).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
177D GLU* 3.0 30.9 + - + +
178D GLU* 3.7 25.4 - - - +
180D ASN* 1.3 74.7 - - + +
182D GLU* 1.3 54.9 + - + +
184D THR* 3.4 6.4 + - - -
185D GLY* 2.8 31.5 + - - -
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Residues in contact with GLU 182 (chain D).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
178D GLU* 2.8 30.3 + - - +
179D LEU 3.7 4.0 - - - +
181D LYS* 1.3 70.1 - - + +
183D LEU* 1.4 61.1 + - - +
185D GLY* 3.3 1.6 + - - -
186D ILE* 2.9 39.4 + - + +
203D LEU* 3.8 14.3 - - + +
206D ARG* 2.7 47.1 + - - -
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Residues in contact with LEU 183 (chain D).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
179D LEU 2.8 17.9 + - - +
180D ASN* 3.5 12.1 - - - +
182D GLU* 1.4 76.2 - - - +
184D THR* 1.4 63.0 + - - +
186D ILE* 3.2 4.0 + - - +
187D GLN* 3.1 43.3 + - - +
200D LEU* 3.5 26.8 - - + +
203D LEU* 4.0 10.9 - - + +
253D THR* 6.5 0.2 - - + -
254D VAL* 4.5 23.1 - - + -
257D ASN* 4.2 20.6 - - + +
258D ILE* 3.7 21.8 - - + -
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Residues in contact with THR 184 (chain D).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
180D ASN 3.1 15.8 + - - -
181D LYS* 3.7 6.9 - - - -
182D GLU 3.4 0.2 - - - -
183D LEU* 1.4 77.2 - - - +
185D GLY* 1.3 53.7 + - - +
187D GLN* 3.2 13.2 + - - +
188D GLN* 2.8 49.2 + - + +
----------------------------------------------------------
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Residues in contact with GLY 185 (chain D).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
181D LYS 2.8 20.4 + - - -
182D GLU* 3.6 3.1 - - - -
183D LEU 3.3 0.2 - - - -
184D THR* 1.3 73.7 - - - +
186D ILE* 1.3 53.5 + - - +
188D GLN* 3.8 1.1 - - - -
189D GLY* 2.8 34.2 + - - -
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Residues in contact with ILE 186 (chain D).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
182D GLU* 2.9 25.2 + - + +
183D LEU 3.6 5.8 - - - +
185D GLY* 1.3 73.6 - - - +
187D GLN* 1.4 64.1 + - - +
188D GLN 3.4 0.5 + - - -
189D GLY* 3.5 7.7 + - - -
191D LEU* 4.4 10.8 - - + +
196D GLN* 3.3 47.8 + - + +
199D ALA* 3.7 38.6 - - + +
200D LEU* 3.7 20.0 - - + +
203D LEU* 4.3 18.4 - - + -
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Residues in contact with GLN 187 (chain D).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
183D LEU* 3.1 41.1 + - - +
184D THR* 3.7 15.5 + - - +
186D ILE* 1.4 74.5 - - - +
188D GLN* 1.3 64.0 + - + +
189D GLY 5.1 0.2 - - - +
196D GLN* 3.6 21.8 + - - +
200D LEU* 4.4 17.4 - - + +
257D ASN* 4.5 18.4 + - - -
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Residues in contact with GLN 188 (chain D).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
154B GLN* 2.8 29.6 + - - -
184D THR* 2.8 35.9 + - + +
185D GLY* 3.8 1.8 - - - -
187D GLN* 1.3 79.1 - - + +
189D GLY* 1.3 55.3 + - - +
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Residues in contact with GLY 189 (chain D).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
154B GLN* 3.2 23.5 - - - +
185D GLY 2.8 20.5 + - - -
186D ILE 3.5 7.9 + - - -
187D GLN 3.6 0.4 - - - +
188D GLN* 1.3 79.2 - - - +
190D PHE* 1.3 62.5 + - - -
191D LEU 3.5 3.6 + - - +
196D GLN* 4.5 6.8 + - - -
----------------------------------------------------------
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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