Contacts of the helix formed by residues 212 - 244 (chain B) in PDB entry 3PRJ
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 ASN 212 (chain B).
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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245A GLY 5.5 4.4 + - - -
246A ALA* 5.9 1.6 - - - +
250A GLU* 5.4 1.8 + - - -
181B GLY* 3.7 1.1 - - - -
182B GLY 3.0 12.3 - - - +
183B ASP* 5.4 0.9 - - - -
184B GLU* 3.3 31.2 + - + +
211B THR* 1.3 88.8 + - - +
213B THR* 1.3 63.3 + - - +
214B TRP* 3.2 13.3 + - - +
215B SER* 3.1 36.9 + - - -
216B SER* 3.1 21.5 + - - -
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Residues in contact with THR 213 (chain B).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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137B ALA* 3.9 18.3 - - + +
141B ARG* 2.9 29.6 + - - +
156B VAL 4.0 14.4 - - - +
157B LEU* 4.5 0.2 - - - -
158B SER* 4.2 8.5 - - - +
181B GLY* 3.6 27.8 - - - +
182B GLY* 3.6 13.1 + - - -
183B ASP* 4.3 3.6 - - - +
212B ASN* 1.3 73.6 - - - +
214B TRP* 1.3 72.2 + - - +
216B SER* 3.0 6.3 + - - -
217B GLU* 3.0 25.9 + - - +
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Residues in contact with TRP 214 (chain B).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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240A LEU* 5.0 0.9 - - + -
244A THR* 2.9 57.0 + - + -
245A GLY 5.1 0.9 - - - -
246A ALA* 4.2 10.0 - - + +
133B PRO 6.1 0.2 - - - -
135B ARG* 4.7 22.2 - - + -
138B GLU* 5.8 1.8 - - - -
212B ASN* 3.2 9.6 + - - +
213B THR* 1.3 82.4 + - - +
215B SER* 1.3 60.6 + - - +
217B GLU* 3.0 26.7 + - + -
218B LEU* 2.9 57.6 + - + +
221B LEU* 5.6 3.8 - - + -
287B LEU* 3.9 27.6 - - + -
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Residues in contact with SER 215 (chain B).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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246A ALA* 4.4 13.4 - - - +
247A ASP 4.9 1.7 + - - -
250A GLU* 4.4 10.9 + - - +
251A VAL* 4.0 17.2 + - - +
211B THR* 3.6 17.2 + - - +
212B ASN* 3.1 28.1 + - - -
214B TRP* 1.3 80.6 - - - +
216B SER* 1.3 55.8 + - - +
218B LEU* 4.1 5.0 - - - +
219B SER* 2.5 36.6 + - - -
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Residues in contact with SER 216 (chain B).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
158B SER* 3.4 17.8 + - - -
160B PRO* 3.4 20.3 - - - +
179B LEU* 3.5 15.6 - - - +
181B GLY* 3.8 16.7 + - - -
211B THR* 3.9 10.9 - - - +
212B ASN 3.1 14.0 + - - -
213B THR* 3.0 13.2 + - - -
215B SER* 1.3 78.0 - - - +
217B GLU* 1.3 59.5 + - - +
219B SER* 3.3 6.3 - - - -
220B LYS 3.3 15.6 + - - -
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Residues in contact with GLU 217 (chain B).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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128B GLU* 4.1 3.1 - - - +
133B PRO* 3.8 36.5 - - + +
135B ARG* 3.4 24.5 + - - -
136B ALA* 3.5 10.0 + - - +
137B ALA* 3.1 34.2 + - - +
138B GLU* 4.9 0.5 + - - +
158B SER* 3.5 17.8 + - - +
160B PRO* 4.9 0.7 - - - -
213B THR 3.0 14.6 + - - +
214B TRP* 3.7 18.9 - - + +
216B SER* 1.3 72.1 - - - +
218B LEU* 1.3 66.1 + - - +
220B LYS* 3.1 5.4 + - - +
221B LEU* 3.0 25.7 + - - +
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Residues in contact with LEU 218 (chain B).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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237A ILE* 5.1 7.2 - - + -
240A LEU* 3.7 28.9 - - + -
241A CYS* 4.1 20.2 - - - +
244A THR* 4.4 4.7 - - - +
246A ALA* 3.9 27.8 - - + -
251A VAL* 4.4 9.9 - - + -
214B TRP* 2.9 46.5 + - + +
215B SER 4.1 3.1 - - - +
217B GLU* 1.3 76.9 - - - +
219B SER* 1.3 56.8 + - - +
221B LEU* 3.1 17.3 + - + +
222B ALA* 2.9 31.6 + - + +
284B LEU* 5.2 0.9 - - + -
287B LEU* 5.3 0.4 - - + -
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Residues in contact with SER 219 (chain B).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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251A VAL* 3.9 30.8 - - - +
254A ALA* 4.0 16.8 - - - +
255A ILE* 4.4 3.4 - - - +
162B PHE* 5.9 0.4 - - - -
179B LEU* 4.0 17.0 - - - +
211B THR* 5.7 0.3 - - - +
215B SER* 2.5 26.3 + - - -
216B SER* 3.3 7.1 - - - -
218B LEU* 1.3 76.8 - - - +
220B LYS* 1.3 56.7 + - - +
222B ALA* 3.7 1.4 - - - +
223B ALA* 2.8 32.6 + - - +
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Residues in contact with LYS 220 (chain B).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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131B THR 3.1 21.7 + - - +
133B PRO* 3.7 16.4 - - + -
160B PRO* 3.9 15.9 - - + -
161B GLU 2.8 33.7 + - - +
162B PHE* 3.3 33.2 - - + -
179B LEU* 4.8 0.6 - - - +
216B SER 3.3 5.4 + - - +
217B GLU 3.1 9.4 + - - +
219B SER* 1.3 76.2 - - - +
221B LEU* 1.3 60.6 + - - +
223B ALA* 4.2 2.9 - - + -
224B ASN* 2.9 52.8 + - - +
501B UDX 2.4 31.7 + - - -
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Residues in contact with LEU 221 (chain B).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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132B VAL* 4.0 14.6 - - + -
133B PRO* 3.9 22.7 - - + +
134B VAL* 4.8 14.4 - - + -
214B TRP* 5.6 3.4 - - + -
217B GLU 3.0 15.2 + - - +
218B LEU* 3.1 15.2 + - + +
220B LYS* 1.3 76.1 - - - +
222B ALA* 1.3 64.0 + - - +
225B ALA* 3.1 11.5 + - - +
280B ASP* 2.9 43.8 - - - +
283B ASN* 5.0 0.9 - - + -
284B LEU* 4.2 38.9 - - + +
287B LEU* 4.4 15.9 - - + -
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Residues in contact with ALA 222 (chain B).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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237A ILE* 3.9 33.2 - - + -
251A VAL* 4.6 1.6 - - + -
255A ILE* 3.9 19.7 - - + -
218B LEU* 2.9 18.4 + - + +
219B SER 3.8 2.7 - - - +
221B LEU* 1.3 74.1 - - - +
223B ALA* 1.3 66.8 + - - +
225B ALA* 2.9 17.9 + - - +
226B PHE* 2.9 20.8 + - + -
284B LEU* 5.3 2.5 - - + -
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Residues in contact with ALA 223 (chain B).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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255A ILE* 4.3 13.1 - - + +
258A ASP* 5.5 1.1 - - - +
261A ILE* 3.8 13.4 - - + +
162B PHE* 4.5 7.0 - - + -
177B ARG* 3.9 24.7 - - - +
219B SER 2.8 23.2 + - - +
220B LYS* 3.8 7.4 - - + +
222B ALA* 1.3 71.4 - - - +
224B ASN* 1.3 64.4 + - - +
226B PHE* 3.3 3.3 + - - +
227B LEU* 3.2 28.9 + - + +
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Residues in contact with ASN 224 (chain B).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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131B THR 3.0 25.5 + - - -
132B VAL* 4.0 2.0 - - - +
220B LYS* 2.9 41.5 + - - +
223B ALA* 1.3 76.2 - - - +
225B ALA* 1.3 63.1 + - - +
227B LEU* 3.3 7.0 + - - +
228B ALA* 3.0 21.3 + - - +
276B CYS* 3.4 21.6 - - - -
277B PHE* 3.6 13.8 - - + -
280B ASP* 3.2 32.7 + - + +
281B VAL* 5.9 0.2 - - - -
501B UDX 3.6 10.0 + - - -
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Residues in contact with ALA 225 (chain B).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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221B LEU 3.1 12.6 + - - +
222B ALA* 2.9 15.1 + - - +
224B ASN* 1.3 72.4 - - - +
226B PHE* 1.3 52.2 + - - +
228B ALA* 3.1 7.4 + - - +
229B GLN* 2.6 35.9 + - - +
280B ASP* 3.6 6.7 + - - +
281B VAL* 4.6 9.4 - - + -
284B LEU* 4.0 15.7 - - + -
300B TRP* 3.5 31.3 - - + -
303B VAL* 4.9 0.5 - - - +
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Residues in contact with PHE 226 (chain B).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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230A ARG* 4.5 11.0 - - + -
233A SER* 3.5 26.2 - - - -
234A ILE* 3.7 24.9 - - + -
237A ILE* 3.9 22.7 - - + -
255A ILE* 4.1 21.3 - - + -
261A ILE* 4.0 23.8 - - + -
266A LEU* 3.7 21.8 - - + -
222B ALA* 2.9 24.9 + - + +
223B ALA 3.3 8.0 + - - +
225B ALA* 1.3 76.7 - - - +
227B LEU* 1.3 61.9 + - - +
229B GLN* 3.3 11.6 + - - +
230B ARG* 3.1 29.3 + - - +
300B TRP* 3.8 14.4 - + - -
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Residues in contact with LEU 227 (chain B).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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258A ASP* 4.0 4.7 - - - +
260A ARG* 3.7 41.7 - - + +
261A ILE* 4.0 21.5 - - + -
223B ALA* 3.2 18.2 + - + +
224B ASN* 3.5 9.9 - - - +
226B PHE* 1.3 77.0 - - - +
228B ALA* 1.3 66.1 + - - +
230B ARG* 3.3 17.8 + - - +
231B ILE* 3.5 18.2 + - - +
265B PHE* 3.7 27.4 - - + -
277B PHE* 3.6 12.8 - - + -
501B UDX 4.0 22.0 - - - +
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Residues in contact with ALA 228 (chain B).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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224B ASN 3.0 14.6 + - - +
225B ALA 3.5 6.7 - - - +
227B LEU* 1.3 75.4 - - - +
229B GLN* 1.3 64.2 + - - +
231B ILE* 3.1 9.6 + - - +
232B SER* 3.1 17.7 + - - -
272B PHE* 4.0 8.9 - - + -
277B PHE* 3.8 34.6 - - + -
281B VAL* 4.4 9.4 - - + -
303B VAL* 3.7 19.1 - - + +
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Residues in contact with GLN 229 (chain B).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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229A GLN* 3.6 26.9 - - - +
230A ARG* 5.6 0.9 - - - -
233A SER* 2.8 31.5 + - - -
299A TYR* 3.2 19.7 + - - +
225B ALA 2.6 20.0 + - - +
226B PHE* 3.4 11.9 - - - +
228B ALA* 1.3 73.6 - - - +
230B ARG* 1.3 53.1 + - + +
232B SER 3.1 1.4 + - - -
233B SER* 2.7 34.2 + - - -
299B TYR* 3.2 24.2 + - - -
300B TRP* 3.7 17.7 - - + -
303B VAL* 3.8 18.7 - - + +
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Residues in contact with ARG 230 (chain B).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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226A PHE* 4.4 10.7 - - + -
229A GLN* 5.5 1.3 - - - +
230A ARG* 3.5 18.3 - - - +
260A ARG 3.8 13.6 + - - -
261A ILE* 4.1 12.4 + - - +
226B PHE 3.1 16.6 + - - +
227B LEU* 3.6 12.8 - - - +
228B ALA 3.3 0.2 - - - -
229B GLN* 1.3 75.5 - - + +
231B ILE* 1.3 57.3 + - - +
233B SER* 3.4 7.1 + - - -
234B ILE* 2.9 31.2 + - - +
261B ILE* 2.7 37.4 + - - +
262B GLY 3.3 16.4 + - - -
264B LYS 2.8 29.2 + - - -
265B PHE* 3.6 17.9 + - + +
266B LEU* 3.8 19.3 - - + +
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Residues in contact with ILE 231 (chain B).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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227B LEU 3.5 17.2 + - - +
228B ALA* 3.1 6.8 + - - +
230B ARG* 1.3 75.5 - - - +
232B SER* 1.3 56.0 + - - +
234B ILE* 3.3 9.2 - - - +
235B ASN* 2.8 50.7 + - - +
265B PHE* 3.7 20.2 - - + +
267B LYS 4.7 2.7 - - - +
269B SER* 4.3 1.8 - - - +
272B PHE* 4.2 17.0 - - + -
277B PHE* 3.7 21.1 - - + -
501B UDX 3.4 57.9 - - + +
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Residues in contact with SER 232 (chain B).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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299A TYR* 3.7 10.5 - - - -
228B ALA 3.1 8.4 + - - -
229B GLN 3.1 7.2 + - - -
231B ILE* 1.3 72.1 - - - +
233B SER* 1.3 56.6 + - - +
235B ASN* 3.1 5.8 + - - +
236B SER* 2.8 31.9 + - - -
272B PHE* 3.5 13.9 - - - -
303B VAL* 2.7 33.9 + - - -
306B MET* 3.3 22.3 - - - +
307B ASN* 3.8 8.5 + - - +
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Residues in contact with SER 233 (chain B).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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226A PHE* 3.6 23.1 - - - -
229A GLN* 2.7 31.6 + - - -
299A TYR* 2.7 27.5 + - - -
300A TRP* 3.6 6.4 - - - -
229B GLN 2.7 16.5 + - - -
230B ARG* 3.6 4.5 - - - -
232B SER* 1.3 71.5 - - - +
234B ILE* 1.3 64.0 + - - +
236B SER* 2.6 22.4 + - - -
237B ILE* 3.1 7.6 + - - +
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Residues in contact with ILE 234 (chain B).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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226A PHE* 3.8 10.5 - - + -
230B ARG 2.9 16.3 + - - +
231B ILE* 3.3 16.8 - - - +
233B SER* 1.3 77.2 - - - +
235B ASN* 1.3 60.3 + - - +
237B ILE* 3.1 7.8 + - + +
238B SER* 2.8 27.2 + - - -
248B VAL* 3.9 18.3 - - + +
252B ALA* 4.0 22.9 - - + +
255B ILE* 4.0 23.6 - - + -
266B LEU* 3.4 41.7 - - + +
267B LYS 4.3 1.1 - - - +
268B ALA* 3.9 15.3 - - + +
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Residues in contact with ASN 235 (chain B).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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231B ILE* 2.8 38.3 + - - +
232B SER* 3.1 7.8 + - - +
234B ILE* 1.3 77.7 - - - +
236B SER* 1.3 61.3 + - - +
238B SER* 2.6 24.8 + - - -
239B ALA* 3.3 4.5 + - - +
268B ALA* 3.4 5.9 - - - -
269B SER* 2.9 38.1 + - - +
271B GLY* 4.1 10.5 - - - -
306B MET* 4.6 4.2 - - + +
307B ASN* 4.3 5.9 + - - +
310B GLN* 3.0 38.2 + - + +
313B ARG* 4.0 0.2 + - - -
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Residues in contact with SER 236 (chain B).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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296A VAL* 3.7 21.8 - - - +
299A TYR* 4.2 4.9 - - - -
300A TRP* 3.0 24.4 + - - -
232B SER 2.8 12.6 + - - -
233B SER 2.6 19.0 + - - -
235B ASN* 1.3 76.5 - - - +
237B ILE* 1.3 59.5 + - - +
239B ALA* 3.1 16.4 + - - +
240B LEU* 3.3 8.3 + - - +
306B MET* 3.6 31.3 - - - -
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Residues in contact with ILE 237 (chain B).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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218A LEU* 5.1 5.8 - - + -
222A ALA* 4.0 22.2 - - + -
226A PHE* 4.0 17.5 - - + -
284A LEU* 4.9 4.7 - - + -
296A VAL* 5.8 0.2 - - + -
300A TRP* 4.0 18.4 - - + +
233B SER 3.1 12.5 + - - +
234B ILE* 3.5 13.9 - - + +
236B SER* 1.3 88.3 + - - +
238B SER* 1.3 57.3 + - - +
240B LEU* 3.2 21.9 + - + +
241B CYS* 2.8 40.7 + - - -
248B VAL* 4.6 5.4 - - + -
251B VAL* 4.2 20.6 - - + -
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Residues in contact with SER 238 (chain B).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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234B ILE 2.8 13.0 + - - -
235B ASN 2.6 18.6 + - - -
237B ILE* 1.3 76.4 - - - +
239B ALA* 1.3 54.8 + - - +
241B CYS* 3.3 2.6 + - - +
242B GLU* 3.1 32.9 + - - +
248B VAL* 3.8 25.1 - - - +
268B ALA* 4.0 13.0 - - - -
310B GLN* 3.2 9.4 + - - -
313B ARG* 3.1 16.1 + - - -
462B ILE* 3.8 10.6 - - - +
463B GLY* 3.8 2.9 - - - -
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Residues in contact with ALA 239 (chain B).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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293A LEU* 4.1 9.8 - - + +
296A VAL* 4.0 17.0 - - + -
235B ASN 3.3 2.4 + - - +
236B SER* 3.1 11.9 + - - +
238B SER* 1.3 78.9 + - - +
240B LEU* 1.3 63.7 + - - +
242B GLU* 3.3 4.5 + - - +
243B ALA* 3.1 23.4 + - - +
309B TYR* 4.2 11.2 - - + +
313B ARG* 3.6 34.3 - - - +
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Residues in contact with LEU 240 (chain B).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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214A TRP* 4.9 0.4 - - + -
218A LEU* 3.7 24.2 - - + -
284A LEU* 3.6 31.9 - - + -
287A LEU* 4.2 11.9 - - + -
288A CYS* 3.9 19.1 - - - -
291A LEU* 3.6 29.2 - - + -
293A LEU* 3.9 8.8 - - + +
296A VAL* 5.2 1.8 - - + -
236B SER 3.3 5.6 + - - +
237B ILE* 3.2 21.5 + - + +
239B ALA* 1.3 74.9 - - - +
241B CYS* 1.3 64.3 + - - +
243B ALA* 3.3 1.3 + - - +
244B THR* 2.8 34.6 + - + +
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Residues in contact with CYS 241 (chain B).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
218A LEU* 3.9 20.4 - - - -
237B ILE* 2.8 26.9 + - - -
238B SER* 3.5 8.3 - - - +
239B ALA 3.3 0.2 - - - -
240B LEU* 1.3 73.1 - - - +
242B GLU* 1.3 65.7 + - - +
244B THR* 3.0 5.4 + - - -
245B GLY* 3.0 23.4 + - - -
246B ALA* 3.3 28.2 + - - +
247B ASP 4.1 3.4 - - - -
248B VAL* 3.7 25.6 - - - +
251B VAL* 4.2 3.1 - - - -
463B GLY 3.8 10.5 - - - +
465B LYS 5.5 0.2 + - - -
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Residues in contact with GLU 242 (chain B).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
238B SER* 3.1 15.1 + - - +
239B ALA 3.6 7.0 - - - +
241B CYS* 1.3 76.2 - - - +
243B ALA* 1.3 59.0 + - - +
244B THR 3.5 0.5 + - - -
245B GLY 4.3 3.5 + - - -
313B ARG* 2.6 39.4 + - - +
317B ARG* 3.3 35.5 + - - +
462B ILE* 3.9 5.2 - - - +
463B GLY* 3.2 27.0 + - - +
464B LYS 3.9 9.6 - - - +
465B LYS 3.2 23.2 - - - +
466B VAL* 3.8 15.7 - - + +
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Residues in contact with ALA 243 (chain B).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
291A LEU* 4.4 18.7 - - + +
293A LEU* 4.3 21.5 - - + -
239B ALA 3.1 15.0 + - - +
240B LEU* 3.3 5.6 + - - +
241B CYS 3.1 1.0 - - - -
242B GLU* 1.3 77.6 - - - +
244B THR* 1.3 66.3 + - + +
245B GLY 3.8 0.7 - - - -
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Residues in contact with THR 244 (chain B).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
214A TRP* 3.0 46.2 + - + -
218A LEU* 4.4 0.9 - - - +
287A LEU* 5.9 0.7 - - + -
291A LEU* 3.5 33.9 - - + -
240B LEU* 2.8 23.3 + - + +
241B CYS* 3.0 5.3 + - - -
243B ALA* 1.3 84.6 - - - +
245B GLY* 1.3 61.3 + - - +
246B ALA* 3.4 1.4 + - - +
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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