Contacts of the helix formed by residues 1216 - 1229 (chain C) in PDB entry 3O2X


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.
For CSU analysis of other PDB entry

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 LEU1216 (chain C).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1126C  THR*     5.1     0.2    -      -       +      -
   1129C  MET*     3.9    26.9    -      -       +      -
   1134C  VAL*     4.3    15.7    -      -       +      -
   1137C  ALA*     4.0    16.2    -      -       +      -
   1138C  PHE*     4.1    27.6    -      -       +      -
   1167C  PHE*     4.2    12.6    -      -       +      -
   1201C  PHE*     3.9    23.6    -      -       +      -
   1207C  TRP*     3.7    29.8    -      -       +      -
   1208C  THR      3.1    14.9    +      -       -      +
   1214C  TYR      3.3     3.2    +      -       -      -
   1215C  ASN*     1.3    68.0    -      -       -      +
   1217C  PHE*     1.3    70.1    +      -       -      +
   1220C  ALA*     2.8    27.6    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with PHE1217 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1137C  ALA*     3.7    25.2    -      -       +      +
   1140C  LYS*     3.5    51.8    -      -       +      -
   1141C  ALA*     3.6    27.3    -      -       -      +
   1144C  VAL*     3.8    17.9    -      -       +      -
   1208C  THR      4.8     0.4    +      -       -      -
   1215C  ASN*     3.3    14.4    +      -       -      +
   1216C  LEU*     1.3    79.3    -      -       -      +
   1218C  LEU*     1.3    74.8    +      -       +      +
   1220C  ALA*     3.5     2.6    -      -       -      +
   1221C  ALA*     2.8    29.4    +      -       +      +
   1246C  TYR*     5.8     4.0    -      +       -      -
   1252C  PHE*     3.9    35.9    -      +       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with LEU1218 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1215C  ASN*     3.1    17.5    +      -       +      +
   1217C  PHE*     1.3    84.0    -      -       +      +
   1219C  VAL*     1.3    67.3    +      -       -      +
   1221C  ALA*     3.3     4.0    +      -       -      +
   1222C  HIS*     3.1    20.3    +      -       -      +
   1239C  LEU*     3.9     5.0    -      -       +      +
   1244C  TYR*     4.0    18.2    -      -       +      -
   1246C  TYR*     3.5    30.3    -      -       +      -
   1252C  PHE*     3.8    20.2    -      -       +      -
   1801C  3O2      3.5    64.2    -      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with VAL1219 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1185C  LEU*     4.1    11.9    -      -       +      -
   1186C  ALA*     3.7    29.8    -      -       +      -
   1201C  PHE*     3.9     6.5    -      -       +      -
   1207C  TRP*     3.7    24.5    -      -       +      -
   1214C  TYR*     4.7     0.9    -      -       +      -
   1215C  ASN      3.2    15.9    +      -       -      +
   1216C  LEU      4.1     0.9    -      -       -      +
   1218C  LEU*     1.3    75.5    -      -       -      +
   1220C  ALA*     1.3    57.5    +      -       -      +
   1222C  HIS*     3.2     4.9    +      -       -      +
   1223C  GLU*     2.8    32.0    +      -       +      +
   1244C  TYR*     3.7    27.1    -      -       +      -
   1801C  3O2      4.0    21.1    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with ALA1220 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1138C  PHE*     3.7    34.3    -      -       +      -
   1141C  ALA*     3.7    11.4    -      -       +      -
   1201C  PHE*     3.8    14.3    -      -       +      -
   1216C  LEU      2.8    20.6    +      -       -      +
   1217C  PHE*     3.5     4.9    -      -       -      +
   1219C  VAL*     1.3    77.9    -      -       -      +
   1221C  ALA*     1.3    52.7    +      -       -      +
   1223C  GLU*     3.1     0.7    +      -       -      -
   1224C  PHE*     2.7    42.1    +      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with ALA1221 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1141C  ALA*     3.5    22.2    -      -       +      +
   1144C  VAL*     4.4    11.9    -      -       +      -
   1145C  TRP*     2.8    31.7    +      -       -      +
   1217C  PHE*     2.8    24.8    +      -       +      +
   1218C  LEU*     3.3     8.5    +      -       -      +
   1220C  ALA*     1.3    72.1    -      -       -      +
   1222C  HIS*     1.3    61.9    +      -       -      +
   1224C  PHE*     4.7     0.2    -      -       -      -
   1225C  GLY      3.2     5.5    +      -       -      -
   1239C  LEU*     3.7    19.7    -      -       +      -
   1252C  PHE*     5.1     1.1    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with HIS1222 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1218C  LEU      3.1    12.4    +      -       -      +
   1219C  VAL      3.3     7.4    -      -       -      +
   1221C  ALA*     1.3    74.1    -      -       -      +
   1223C  GLU*     1.3    82.1    +      -       -      +
   1225C  GLY      3.1    10.0    +      -       -      -
   1226C  HIS*     3.1     3.5    +      -       -      -
   1232C  HIS*     3.6    13.0    -      +       -      -
   1239C  LEU*     2.8    30.8    +      -       +      +
   1240C  MET*     3.3    36.1    -      -       +      +
   1241C  PHE      3.6    18.8    -      -       -      -
   1801C  3O2      3.2    28.0    +      +       -      +
   1999C   ZN      2.0    37.9    -      -       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with GLU1223 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1186C  ALA*     3.5    29.1    -      -       +      +
   1187C  HIS*     3.0    27.1    -      -       -      +
   1188C  ALA*     3.1    12.0    +      -       +      +
   1199C  ALA*     4.5     5.4    -      -       +      -
   1201C  PHE*     4.1    16.6    -      -       +      -
   1219C  VAL*     2.8    22.3    +      -       +      +
   1220C  ALA      3.6     3.8    -      -       -      +
   1222C  HIS*     1.3    83.3    -      -       -      +
   1224C  PHE*     1.3    56.9    +      -       +      +
   1226C  HIS*     2.9    11.9    +      -       -      +
   1227C  SER*     2.9    27.5    +      -       -      -
   1801C  3O2      2.6    37.3    +      -       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with PHE1224 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1138C  PHE*     3.6    26.2    -      +       -      -
   1141C  ALA*     3.6    27.6    -      -       +      -
   1142C  PHE*     3.3    60.3    -      +       +      -
   1145C  TRP*     3.9    17.5    -      -       +      +
   1163C  ILE*     4.7     1.3    -      -       +      -
   1165C  ILE*     3.6    15.0    -      -       +      -
   1199C  ALA*     4.0    17.0    -      -       +      -
   1201C  PHE*     4.6     5.2    -      +       -      -
   1220C  ALA*     2.7    26.1    +      -       +      +
   1223C  GLU*     1.3    70.8    -      -       -      +
   1225C  GLY*     1.3    64.7    +      -       -      +
   1226C  HIS      3.3     0.2    -      -       -      -
   1227C  SER*     3.3    16.0    +      -       -      -
   1228C  LEU*     3.0    31.6    +      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with GLY1225 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1145C  TRP*     3.6    23.7    -      -       -      +
   1221C  ALA      3.2     7.3    +      -       -      -
   1222C  HIS      3.1    10.6    +      -       -      -
   1224C  PHE*     1.3    76.7    -      -       -      +
   1226C  HIS*     1.3    54.8    +      -       -      +
   1228C  LEU*     3.3     5.0    +      -       -      +
   1229C  GLY      3.1     6.1    +      -       -      -
   1230C  LEU*     2.8    40.7    +      -       -      +
   1240C  MET*     3.9     6.1    -      -       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with HIS1226 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1188C  ALA*     3.9    22.7    -      -       +      +
   1189C  PHE      4.2     2.5    -      -       -      -
   1190C  PRO*     3.6    16.2    -      -       -      +
   1222C  HIS*     3.1    12.4    +      +       -      -
   1223C  GLU*     2.9    20.4    +      -       -      +
   1225C  GLY*     1.3    76.7    -      -       -      +
   1227C  SER*     1.3    61.8    +      -       -      +
   1229C  GLY*     3.0    13.5    +      -       -      -
   1230C  LEU      2.8    25.3    +      -       -      +
   1231C  ASP*     4.2     8.6    -      -       -      -
   1232C  HIS*     3.1    19.6    +      +       -      -
   1240C  MET*     3.3    16.7    -      -       +      +
   1801C  3O2      3.4     8.7    -      -       -      -
   1999C   ZN      2.1    36.4    -      -       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with SER1227 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1113C  TRP*     2.8    31.8    +      -       -      -
   1163C  ILE*     4.2    15.3    -      -       -      -
   1188C  ALA*     3.7     7.6    -      -       -      +
   1189C  PHE      3.6    11.6    +      -       -      -
   1191C  PRO*     3.3     9.6    -      -       -      +
   1197C  GLY*     2.8    26.0    +      -       -      -
   1199C  ALA*     4.2     1.2    -      -       -      +
   1223C  GLU      2.9    13.8    +      -       -      -
   1224C  PHE*     3.3    23.9    +      -       -      -
   1226C  HIS*     1.3    74.7    -      -       -      +
   1228C  LEU*     1.3    51.6    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with LEU1228 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1111C  LEU      4.3     0.9    -      -       -      +
   1113C  TRP*     3.9    17.5    -      -       +      +
   1118C  LEU*     4.0     1.8    -      -       +      -
   1142C  PHE*     5.8     0.2    -      -       +      -
   1145C  TRP*     3.6    42.6    -      -       +      -
   1151C  LEU*     3.7    28.7    -      -       +      -
   1153C  PHE*     3.8    24.0    -      -       +      -
   1163C  ILE*     4.7     4.0    -      -       +      -
   1191C  PRO*     3.3     9.3    -      -       -      +
   1224C  PHE*     3.0    19.6    +      -       +      +
   1225C  GLY      3.7     4.7    -      -       -      +
   1227C  SER*     1.3    75.5    -      -       -      +
   1229C  GLY*     1.3    57.4    +      -       -      +
   1230C  LEU      3.8     0.2    -      -       -      -
   1262C  ILE*     4.0    15.7    -      -       +      -
   1265C  LEU*     3.7     3.7    -      -       -      +
   1266C  TYR*     2.6    32.3    +      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with GLY1229 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1111C  LEU*     3.7    12.8    -      -       -      +
   1190C  PRO*     5.3     2.5    -      -       -      -
   1191C  PRO*     3.4    17.4    -      -       -      +
   1226C  HIS      3.0     8.4    +      -       -      -
   1228C  LEU*     1.3    79.0    -      -       -      +
   1230C  LEU*     1.3    64.1    +      -       -      +
   1231C  ASP*     3.7     1.4    +      -       -      +
   1265C  LEU*     3.6    16.2    -      -       -      +
----------------------------------------------------------
 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