Contacts of the helix formed by residues 1055 - 1082 (chain A) in PDB entry 5UNF


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 SER1055 (chain A).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1051A  LYS*     3.4    14.4    -      -       -      +
   1052A  SER*     3.2    30.8    +      -       -      -
   1053A  PRO      3.2     0.6    -      -       -      -
   1054A  ASP*     1.4    79.2    -      -       -      +
   1056A  PRO*     1.4    67.4    -      -       -      +
   1057A  GLU*     2.7    31.0    +      -       -      -
   1058A  MET*     3.2     5.4    +      -       -      +
   1059A  LYS*     3.0    26.7    +      -       -      +
----------------------------------------------------------
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Residues in contact with PRO1056 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1054A  ASP      3.8     2.9    -      -       -      +
   1055A  SER*     1.4    90.4    -      -       -      +
   1057A  GLU*     1.4    65.1    +      -       -      +
   1059A  LYS*     3.5     9.4    +      -       +      +
   1060A  ASP*     3.0    28.6    +      -       -      +
----------------------------------------------------------
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Residues in contact with GLU1057 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1048A  LEU*     3.9    21.9    -      -       +      +
   1051A  LYS*     3.1    34.3    +      -       +      +
   1055A  SER*     2.7    26.2    +      -       -      +
   1056A  PRO*     1.4    86.4    -      -       -      +
   1058A  MET*     1.4    58.6    +      -       -      +
   1060A  ASP*     4.0     8.4    -      -       -      +
   1061A  PHE*     3.4    22.3    +      -       -      +
----------------------------------------------------------
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Residues in contact with MET1058 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1043A  ALA      5.6     0.9    -      -       -      +
   1044A  THR*     4.3    28.0    -      -       +      +
   1045A  PRO*     5.0     6.3    -      -       +      -
   1048A  LEU*     4.0    29.2    -      -       +      +
   1051A  LYS*     3.6    23.1    -      -       +      +
   1052A  SER      3.3    25.6    -      -       -      +
   1053A  PRO*     3.7    14.4    -      -       +      +
   1055A  SER      3.2     6.3    +      -       -      +
   1057A  GLU*     1.4    76.0    -      -       -      +
   1059A  LYS*     1.3    63.1    +      -       -      +
   1060A  ASP      3.3     0.4    -      -       -      -
   1061A  PHE*     3.5    12.7    +      -       +      +
   1062A  ARG*     3.3    49.2    +      -       +      +
----------------------------------------------------------
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Residues in contact with LYS1059 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1053A  PRO      3.7     1.6    -      -       -      +
   1054A  ASP*     3.4    38.2    +      -       -      +
   1055A  SER      3.0    17.0    +      -       -      +
   1056A  PRO*     3.9     7.6    -      -       +      +
   1058A  MET*     1.3    75.7    -      -       -      +
   1060A  ASP*     1.4    56.2    +      -       -      +
   1062A  ARG*     3.5    22.0    +      -       -      +
   1063A  HIS*     3.0    28.0    +      -       -      +
----------------------------------------------------------
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Residues in contact with ASP1060 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1056A  PRO      3.0    18.4    +      -       -      +
   1057A  GLU*     4.0     9.1    -      -       -      +
   1058A  MET      3.3     0.2    -      -       -      -
   1059A  LYS*     1.4    74.2    -      -       -      +
   1061A  PHE*     1.4    58.6    +      -       -      +
   1063A  HIS*     3.3    15.9    +      -       -      +
   1064A  GLY*     3.0    25.6    +      -       -      -
----------------------------------------------------------
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Residues in contact with PHE1061 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1003A  LEU*     3.8    25.6    -      -       +      -
   1007A  TRP*     5.7     1.3    -      -       -      -
   1040A  ALA      3.8     4.0    -      -       -      -
   1041A  GLN      4.2     3.4    -      -       -      -
   1043A  ALA      3.3    22.7    -      -       -      -
   1045A  PRO*     3.7    35.4    -      -       +      -
   1048A  LEU*     5.5     2.9    -      -       +      -
   1057A  GLU      3.4    13.9    +      -       -      +
   1058A  MET*     3.6    18.6    -      -       +      +
   1059A  LYS      3.4     0.4    -      -       -      -
   1060A  ASP*     1.4    77.2    -      -       -      +
   1062A  ARG*     1.3    71.2    +      -       +      +
   1064A  GLY*     3.4     9.6    +      -       -      -
   1065A  PHE*     3.3    47.6    +      +       -      -
----------------------------------------------------------
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Residues in contact with ARG1062 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1041A  GLN*     3.1    60.4    +      -       +      +
   1053A  PRO*     2.8    38.4    +      -       -      +
   1058A  MET*     3.3    41.0    +      -       +      +
   1059A  LYS*     3.5    25.1    -      -       -      +
   1060A  ASP      3.4     0.2    -      -       -      -
   1061A  PHE*     1.3    81.5    -      -       +      +
   1063A  HIS*     1.4    63.8    +      -       -      +
   1065A  PHE*     3.3     3.5    +      -       -      +
   1066A  ASP*     3.3    12.0    +      -       -      -
----------------------------------------------------------
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Residues in contact with HIS1063 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1059A  LYS      3.0    19.5    +      -       -      +
   1060A  ASP*     3.3    18.1    +      -       -      +
   1062A  ARG*     1.4    74.6    -      -       -      +
   1064A  GLY*     1.3    60.2    +      -       -      +
   1066A  ASP*     3.0    30.9    +      -       +      +
   1067A  ILE*     3.1    41.6    +      -       +      +
----------------------------------------------------------
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Residues in contact with GLY1064 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1060A  ASP*     3.0    13.0    +      -       -      -
   1061A  PHE      3.4     5.3    +      -       -      -
   1062A  ARG      3.3     0.8    -      -       -      -
   1063A  HIS*     1.3    76.9    -      -       -      +
   1065A  PHE*     1.4    58.1    +      -       -      +
   1067A  ILE*     3.5    14.1    +      -       -      +
   1068A  LEU*     3.1    24.7    +      -       -      +
   1097A  THR*     3.8    10.4    -      -       -      +
----------------------------------------------------------
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Residues in contact with PHE1065 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1003A  LEU*     4.1     3.4    -      -       +      -
   1007A  TRP*     3.6    39.9    -      +       -      -
   1010A  LEU*     4.8     0.9    -      -       +      -
   1037A  ALA*     3.4    20.4    -      -       -      +
   1040A  ALA*     3.6    29.8    -      -       +      -
   1041A  GLN*     3.8    26.9    -      -       +      -
   1061A  PHE*     3.3    53.4    -      +       -      -
   1062A  ARG      3.3     7.2    +      -       -      +
   1063A  HIS      3.2     0.4    -      -       -      -
   1064A  GLY*     1.4    73.3    -      -       -      +
   1066A  ASP*     1.4    58.7    +      -       -      +
   1067A  ILE      3.3     0.4    -      -       -      -
   1068A  LEU*     3.7    20.6    -      -       +      -
   1069A  VAL*     2.8    39.0    +      -       +      +
----------------------------------------------------------
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Residues in contact with ASP1066 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1038A  LEU*     5.8     0.9    -      -       -      +
   1041A  GLN*     2.8    30.3    +      -       -      +
   1062A  ARG*     3.3     8.1    +      -       -      +
   1063A  HIS*     3.0    21.9    +      -       +      +
   1065A  PHE*     1.4    73.9    -      -       -      +
   1067A  ILE*     1.4    62.5    +      -       +      +
   1069A  VAL*     4.3     5.3    -      -       -      +
   1070A  GLY*     3.2    18.9    +      -       -      -
----------------------------------------------------------
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Residues in contact with ILE1067 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1063A  HIS*     3.1    43.6    +      -       +      +
   1064A  GLY*     3.7    12.1    -      -       -      +
   1066A  ASP*     1.4    76.0    -      -       +      +
   1068A  LEU*     1.4    61.1    +      -       -      +
   1070A  GLY*     3.3     2.8    +      -       -      -
   1071A  GLN*     3.1    33.9    +      -       +      +
   1097A  THR*     4.3    19.7    -      -       +      +
----------------------------------------------------------
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Residues in contact with LEU1068 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1007A  TRP*     4.1    16.2    -      -       +      -
   1010A  LEU*     4.0    26.2    -      -       +      -
   1033A  MET*     6.0     1.1    -      -       +      -
   1037A  ALA*     4.0     7.4    -      -       +      -
   1064A  GLY      3.1    16.7    +      -       -      +
   1065A  PHE*     3.4    29.6    +      -       +      +
   1067A  ILE*     1.4    73.2    -      -       -      +
   1069A  VAL*     1.4    63.8    +      -       -      +
   1071A  GLN*     3.4     4.9    +      -       -      -
   1072A  ILE*     3.2    33.8    +      -       +      +
   1094A  LEU*     3.6    39.3    -      -       +      +
   1097A  THR*     4.0    20.4    -      -       +      +
   1098A  ARG*     5.7     0.2    -      -       +      -
----------------------------------------------------------
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Residues in contact with VAL1069 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1034A  ARG*     3.5    43.3    -      -       +      +
   1037A  ALA*     3.7    24.7    -      -       +      -
   1038A  LEU*     3.8    27.6    -      -       +      +
   1041A  GLN*     5.4     0.4    -      -       -      +
   1065A  PHE*     2.8    25.9    +      -       +      +
   1066A  ASP*     4.3     5.6    -      -       -      +
   1068A  LEU*     1.4    69.0    -      -       -      +
   1070A  GLY*     1.3    59.7    +      -       -      +
   1072A  ILE*     3.2     9.7    +      -       -      +
   1073A  ASP*     2.9    30.5    +      -       -      +
----------------------------------------------------------
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Residues in contact with GLY1070 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1066A  ASP      3.2    15.7    +      -       -      -
   1067A  ILE*     3.6     4.7    -      -       -      -
   1068A  LEU      3.2     0.4    -      -       -      -
   1069A  VAL*     1.3    76.5    -      -       -      +
   1071A  GLN*     1.4    56.4    +      -       -      +
   1073A  ASP*     3.2    11.8    +      -       -      +
   1074A  ASP*     3.0    34.5    +      -       -      +
----------------------------------------------------------
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Residues in contact with GLN1071 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1067A  ILE*     3.1    23.3    +      -       +      +
   1068A  LEU*     3.4     1.7    +      -       -      +
   1070A  GLY*     1.4    70.8    -      -       -      +
   1072A  ILE*     1.4    58.6    +      -       -      +
   1074A  ASP*     3.7    14.1    -      -       -      +
   1075A  ALA*     3.1    27.0    +      -       -      +
   1090A  ALA*     4.7    11.1    -      -       -      +
   1093A  GLN*     3.3    39.4    +      -       -      +
   1094A  LEU*     3.6    27.2    -      -       +      +
   1096A  THR*     5.9     0.2    -      -       -      -
   1097A  THR*     2.9    29.1    +      -       -      +
----------------------------------------------------------
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Residues in contact with ILE1072 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1010A  LEU*     4.6     3.1    -      -       +      -
   1030A  LEU*     3.4    32.0    -      -       +      +
   1033A  MET*     3.8    33.7    -      -       +      +
   1034A  ARG*     3.8    17.9    -      -       +      +
   1037A  ALA*     4.0    14.1    -      -       +      -
   1068A  LEU*     3.2    23.2    +      -       +      +
   1069A  VAL*     3.2    10.1    +      -       -      +
   1071A  GLN*     1.4    73.9    -      -       -      +
   1073A  ASP*     1.4    54.6    +      -       -      +
   1075A  ALA*     3.3     7.7    +      -       -      +
   1076A  LEU*     2.8    40.1    +      -       +      +
   1094A  LEU*     3.8    19.3    -      -       +      -
----------------------------------------------------------
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Residues in contact with ASP1073 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1034A  ARG*     2.6    47.1    +      -       -      -
   1069A  VAL*     2.9    21.3    +      -       -      +
   1070A  GLY*     3.2    11.5    +      -       -      +
   1072A  ILE*     1.4    73.4    -      -       -      +
   1074A  ASP*     1.4    60.2    +      -       -      +
   1076A  LEU*     3.7    11.1    -      -       -      +
   1077A  LYS*     2.9    28.4    +      -       -      +
----------------------------------------------------------
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Residues in contact with ASP1074 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1070A  GLY      3.0    19.6    +      -       -      +
   1071A  GLN*     3.7    16.7    -      -       -      +
   1072A  ILE      3.3     0.4    -      -       -      -
   1073A  ASP*     1.4    76.3    -      -       -      +
   1075A  ALA*     1.3    61.2    +      -       -      +
   1077A  LYS*     3.4    17.6    -      -       -      +
   1078A  LEU*     3.4    19.0    +      -       +      +
   1090A  ALA*     4.8     6.3    -      -       +      -
----------------------------------------------------------
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Residues in contact with ALA1075 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1030A  LEU*     3.6    26.0    -      -       +      -
   1071A  GLN      3.1    13.9    +      -       -      +
   1072A  ILE*     3.3     8.3    +      -       -      +
   1074A  ASP*     1.3    74.6    -      -       -      +
   1076A  LEU*     1.4    57.7    -      -       -      +
   1078A  LEU*     3.2     7.4    +      -       -      +
   1079A  ALA*     2.9    27.7    +      -       -      +
   1087A  ALA*     3.6    21.0    -      -       -      +
   1090A  ALA*     4.1    13.9    -      -       +      +
   1091A  ALA*     4.4     4.7    -      -       -      +
----------------------------------------------------------
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Residues in contact with LEU1076 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1027A  LYS*     3.7    28.0    -      -       +      +
   1030A  LEU*     3.6    29.4    -      -       +      +
   1031A  THR*     3.8    11.4    -      -       -      +
   1034A  ARG*     4.1    12.3    -      -       +      -
   1072A  ILE*     2.8    36.8    +      -       +      +
   1073A  ASP*     3.7    19.3    -      -       -      +
   1075A  ALA*     1.4    68.9    -      -       -      +
   1077A  LYS*     1.4    59.3    +      -       -      +
   1079A  ALA*     3.7     2.1    -      -       -      +
   1080A  ASN*     3.0    44.5    +      -       -      +
----------------------------------------------------------
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Residues in contact with LYS1077 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1073A  ASP      2.9    14.2    +      -       -      +
   1074A  ASP*     3.4    14.8    -      -       -      +
   1075A  ALA      3.2     0.2    -      -       -      -
   1076A  LEU*     1.4    75.6    -      -       -      +
   1078A  LEU*     1.3    63.4    +      -       +      +
   1080A  ASN*     3.5     6.9    +      -       -      +
   1081A  GLU*     3.1    51.7    +      -       -      +
----------------------------------------------------------
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Residues in contact with LEU1078 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1074A  ASP*     3.4    16.4    +      -       +      +
   1075A  ALA      3.2     6.1    +      -       -      +
   1077A  LYS*     1.3    76.4    -      -       +      +
   1079A  ALA*     1.4    58.4    +      -       -      +
   1081A  GLU*     3.1    14.1    +      -       -      +
   1083A  LYS*     2.8    69.9    +      -       +      +
   1086A  GLU*     3.4    37.2    -      -       +      +
   1087A  ALA*     3.7     6.3    -      -       +      +
   1090A  ALA*     3.9    11.2    -      -       +      -
----------------------------------------------------------
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Residues in contact with ALA1079 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1023A  ALA*     3.5    27.6    -      -       -      +
   1026A  VAL*     4.3    11.9    -      -       +      -
   1027A  LYS*     4.0    33.6    -      -       +      +
   1030A  LEU*     4.4     0.7    -      -       +      -
   1075A  ALA      2.9    17.2    +      -       -      +
   1076A  LEU*     3.4     8.5    +      -       -      +
   1078A  LEU*     1.4    73.3    -      -       -      +
   1080A  ASN*     1.4    58.7    +      -       -      +
   1082A  GLY*     3.2    12.7    +      -       -      +
   1083A  LYS      4.5     2.2    -      -       -      +
   1084A  VAL*     5.9     0.2    -      -       -      +
   1087A  ALA*     3.9     5.5    -      -       -      +
----------------------------------------------------------
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Residues in contact with ASN1080 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1027A  LYS*     3.3    32.5    -      -       -      +
   1076A  LEU*     3.0    31.0    +      -       -      +
   1077A  LYS*     3.8     6.5    -      -       -      +
   1079A  ALA*     1.4    74.8    -      -       -      +
   1081A  GLU*     1.3    60.5    +      -       +      +
   1082A  GLY      3.3     0.6    +      -       -      -
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Residues in contact with GLU1081 (chain A). Click here for Legend to table.
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                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
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   1077A  LYS*     3.1    48.3    +      -       +      +
   1078A  LEU*     3.1    14.3    +      -       -      +
   1080A  ASN*     1.3    78.3    -      -       +      +
   1082A  GLY*     1.3    60.7    +      -       -      +
   1083A  LYS*     3.1    42.7    +      -       +      +
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Residues in contact with GLY1082 (chain A). Click here for Legend to table.
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                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
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   1023A  ALA*     4.2    11.9    -      -       -      -
   1078A  LEU      3.1     1.8    +      -       -      -
   1079A  ALA      3.2    13.3    +      -       -      -
   1080A  ASN      3.3     1.4    -      -       -      -
   1081A  GLU*     1.3    79.8    -      -       -      +
   1083A  LYS*     1.3    59.0    +      -       -      +
   1084A  VAL*     3.6     9.4    +      -       -      +
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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
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  Atomic class           I  II  III   IV   V   VI  VII  VIII
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   I  (Hydrophilic)      +   +    +    -   +   +    +    +
  II  (Acceptor)         +   -    +    -   +   +    +    -
 III  (Donor)            +   +    -    -   +   +    -    +
  IV  (Hydrophobic)      -   -    -    +   +   +    +    +
   V  (Aromatic)         +   +    +    +   +   +    +    +
  VI  (Neutral)          +   +    +    +   +   +    +    +
 VII  (Neutral-donor)    +   +    -    +   +   +    -    +
VIII  (Neutral-acceptor) +   -    +    +   +   +    +    -
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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