Contacts of the helix formed by residues 619 - 640 (chain C) in PDB entry 3T6A


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 THR 619 (chain C).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    618C  GLY*     1.3    77.6    +      -       -      -
    620C  LEU*     1.3    65.8    +      -       -      +
    621C  GLU*     3.4    16.1    +      -       -      +
    622C  ASP*     2.9    47.5    +      -       -      +
    623C  ARG*     3.0    14.7    +      -       -      +
----------------------------------------------------------
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Residues in contact with LEU 620 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    619C  THR*     1.3    72.2    -      -       -      +
    621C  GLU*     1.3    75.7    +      -       -      +
    623C  ARG*     3.1    39.5    +      -       -      +
    624C  ALA*     2.9    20.4    +      -       -      +
    664C  LYS*     3.9    16.6    -      -       +      +
    665C  THR*     3.8    28.5    -      -       -      +
    668C  ALA*     4.3    15.9    -      -       +      -
    672C  GLN*     5.9     0.2    -      -       -      +
----------------------------------------------------------
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Residues in contact with GLU 621 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    619C  THR*     3.2    14.3    +      -       -      +
    620C  LEU*     1.3    88.7    +      -       -      +
    622C  ASP*     1.3    66.4    +      -       -      +
    624C  ALA*     3.2     5.4    +      -       -      +
    625C  ALA*     2.9    22.1    +      -       -      +
    672C  GLN*     3.5    35.8    +      -       -      +
    673C  TYR*     4.4     0.2    +      -       -      -
----------------------------------------------------------
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Residues in contact with ASP 622 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    541C  LYS*     5.8     1.6    -      -       -      +
    617C  THR*     4.1     4.3    -      -       +      -
    618C  GLY*     4.1    10.2    +      -       -      +
    619C  THR*     2.9    42.3    +      -       -      +
    621C  GLU*     1.3    77.7    -      -       -      +
    623C  ARG*     1.3    57.4    +      -       -      +
    625C  ALA*     3.1     9.4    +      -       -      +
    626C  THR*     2.8    32.4    +      -       -      -
----------------------------------------------------------
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Residues in contact with ARG 623 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    613C  ILE*     3.5    38.3    -      -       +      +
    617C  THR*     3.5    20.4    -      -       +      +
    618C  GLY      4.4     6.3    +      -       -      -
    619C  THR      3.0    11.7    +      -       -      +
    620C  LEU*     3.2    41.3    -      -       -      +
    622C  ASP*     1.3    75.2    -      -       -      +
    624C  ALA*     1.3    65.0    +      -       -      +
    626C  THR*     3.3     2.6    +      -       -      -
    627C  LEU*     3.0    23.0    +      -       -      +
    662C  LEU*     4.6     2.4    -      -       -      +
    664C  LYS*     5.9     0.2    -      -       -      +
    665C  THR*     2.9    21.1    +      -       +      +
    815C  LEU*     3.6    39.0    +      -       -      +
    816C  GLU*     3.0    34.4    +      -       -      +
----------------------------------------------------------
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Residues in contact with ALA 624 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    620C  LEU      2.9     8.0    +      -       -      +
    621C  GLU*     3.2    10.5    +      -       -      +
    623C  ARG*     1.3    75.6    -      -       -      +
    625C  ALA*     1.3    56.9    +      -       -      +
    627C  LEU*     3.2     6.0    +      -       -      +
    628C  SER*     2.9    28.8    +      -       -      -
    665C  THR*     4.1    10.4    -      -       -      +
    668C  ALA*     3.7    30.5    -      -       +      +
    669C  LEU*     4.0    13.3    -      -       -      +
    672C  GLN*     4.6     1.8    -      -       -      +
    673C  TYR*     3.9    15.1    -      -       +      -
----------------------------------------------------------
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Residues in contact with ALA 625 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    621C  GLU      2.9    11.4    +      -       -      +
    622C  ASP*     3.1    13.2    +      -       -      +
    624C  ALA*     1.3    77.2    -      -       -      +
    626C  THR*     1.3    56.3    +      -       -      +
    628C  SER*     3.4     3.5    +      -       -      -
    629C  LYS*     3.0    28.6    +      -       -      +
    673C  TYR*     3.1    29.6    -      -       +      +
----------------------------------------------------------
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Residues in contact with THR 626 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    541C  LYS*     2.7    31.6    +      -       -      +
    612C  ASP*     3.0    37.0    -      -       -      +
    613C  ILE*     4.5     3.8    -      -       +      -
    617C  THR*     3.4     7.7    -      -       -      +
    622C  ASP      2.8    13.7    +      -       -      -
    623C  ARG      3.6     7.2    -      -       -      -
    625C  ALA*     1.3    74.1    -      -       -      +
    627C  LEU*     1.3    63.8    +      -       -      +
    629C  LYS*     3.1     7.7    +      -       +      +
    630C  ILE*     3.0    40.5    +      -       +      +
----------------------------------------------------------
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Residues in contact with LEU 627 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    613C  ILE*     3.9    18.8    -      -       +      +
    623C  ARG      3.0    13.0    +      -       -      +
    624C  ALA      3.3     9.9    -      -       -      +
    626C  THR*     1.3    76.5    -      -       -      +
    628C  SER*     1.3    61.9    +      -       -      +
    630C  ILE*     3.4     7.2    +      -       +      +
    631C  ILE*     3.1    29.9    +      -       +      +
    654C  LEU*     3.4    33.9    -      -       +      -
    659C  ILE*     5.2     2.0    -      -       +      -
    665C  THR*     4.1    20.0    -      -       +      -
    666C  TRP*     3.9    35.7    -      -       +      -
    669C  LEU*     3.9    24.5    -      -       +      -
----------------------------------------------------------
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Residues in contact with SER 628 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    624C  ALA      2.9    14.2    +      -       -      -
    625C  ALA*     3.5     9.0    -      -       -      -
    626C  THR      3.2     0.2    -      -       -      -
    627C  LEU*     1.3    76.8    -      -       -      +
    629C  LYS*     1.3    62.8    +      -       -      +
    631C  ILE*     3.3     2.6    +      -       -      +
    632C  GLN*     2.9    35.2    +      -       -      +
    669C  LEU*     3.9    10.2    -      -       -      +
    673C  TYR*     3.5    40.2    -      -       -      +
    676C  THR*     3.7    16.4    +      -       -      +
----------------------------------------------------------
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Residues in contact with LYS 629 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    544C  PHE*     3.0    29.6    +      -       +      +
    545C  THR*     4.0    10.9    +      -       -      +
    547C  ASN      3.0    21.4    +      -       -      -
    548C  ASP*     4.4     0.8    -      -       -      +
    549C  PRO*     4.3    21.7    -      -       +      +
    552C  ILE*     4.0    12.6    -      -       +      -
    625C  ALA      3.0    14.8    +      -       -      +
    626C  THR*     3.1    12.5    +      -       +      +
    628C  SER*     1.3    73.9    -      -       -      +
    630C  ILE*     1.3    58.3    +      -       +      +
    632C  GLN*     3.1    16.9    +      -       -      +
    633C  VAL*     2.8    34.1    +      -       +      +
----------------------------------------------------------
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Residues in contact with ILE 630 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    609C  ILE*     3.7    31.6    -      -       +      +
    612C  ASP*     5.0     4.0    -      -       +      +
    613C  ILE*     3.3    40.6    -      -       +      +
    626C  THR*     3.0    25.0    +      -       +      +
    627C  LEU*     3.5     7.4    -      -       +      +
    629C  LYS*     1.3    77.4    -      -       +      +
    631C  ILE*     1.3    61.8    +      -       -      +
    633C  VAL*     3.2     6.9    +      -       -      +
    634C  ALA*     2.9    18.5    +      -       -      +
    650C  LEU*     3.4    20.6    -      -       +      +
    654C  LEU*     4.2    20.9    -      -       +      -
----------------------------------------------------------
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Residues in contact with ILE 631 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    627C  LEU*     3.1    20.3    +      -       +      +
    628C  SER      3.3     1.5    +      -       -      +
    630C  ILE*     1.3    75.4    -      -       -      +
    632C  GLN*     1.3    57.6    +      -       -      +
    634C  ALA*     3.1     9.2    +      -       -      +
    635C  VAL*     2.9    26.9    +      -       -      +
    654C  LEU*     3.8    20.9    -      -       +      -
    666C  TRP*     4.6     2.5    -      -       +      -
    669C  LEU*     3.9    23.6    -      -       +      -
    676C  THR*     3.4    41.1    -      -       +      +
    679C  LEU*     4.3     7.2    -      -       +      -
    680C  TYR*     3.8    31.2    -      -       +      -
    684C  LEU*     4.1    12.1    -      -       +      -
----------------------------------------------------------
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Residues in contact with GLN 632 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    549C  PRO*     3.8    27.1    -      -       +      +
    628C  SER*     2.9    25.9    +      -       -      +
    629C  LYS*     3.3    20.2    +      -       -      +
    631C  ILE*     1.3    76.6    -      -       -      +
    633C  VAL*     1.3    61.0    +      -       -      +
    635C  VAL*     3.4    11.0    +      -       -      +
    636C  GLU*     3.2    25.5    +      -       -      +
    676C  THR*     4.2    18.3    +      -       +      +
----------------------------------------------------------
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Residues in contact with VAL 633 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    549C  PRO*     4.1    26.5    -      -       +      +
    552C  ILE*     4.1    35.2    -      -       +      -
    553C  ALA*     4.5     2.9    -      -       +      +
    556C  VAL*     5.6     1.6    -      -       +      -
    629C  LYS*     2.8    22.6    +      -       +      +
    630C  ILE*     3.6     9.0    -      -       -      +
    632C  GLN*     1.3    73.4    -      -       -      +
    634C  ALA*     1.3    60.7    +      -       -      +
    636C  GLU*     3.2     4.1    +      -       -      +
    637C  LEU*     2.9    41.8    +      -       +      +
    650C  LEU*     3.9    15.7    -      -       +      -
----------------------------------------------------------
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Residues in contact with ALA 634 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    630C  ILE      2.9    13.0    +      -       -      +
    631C  ILE*     3.1    12.5    +      -       -      +
    633C  VAL*     1.3    75.9    -      -       -      +
    635C  VAL*     1.3    61.4    +      -       -      +
    637C  LEU*     3.3     6.2    +      -       -      +
    638C  LYS*     3.0    18.0    +      -       -      +
    647C  PHE*     3.4    26.8    -      -       +      -
    650C  LEU*     3.7    21.9    -      -       +      +
    651C  MET*     4.7     5.8    -      -       -      -
    654C  LEU*     5.6     1.8    -      -       +      -
    684C  LEU*     4.1    14.8    -      -       +      -
----------------------------------------------------------
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Residues in contact with VAL 635 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    631C  ILE      2.9    17.6    +      -       -      +
    632C  GLN*     3.5    11.7    -      -       -      +
    633C  VAL      3.3     0.2    -      -       -      -
    634C  ALA*     1.3    76.8    -      -       -      +
    636C  GLU*     1.3    67.0    +      -       -      +
    638C  LYS*     3.2     5.4    +      -       -      +
    639C  ASP*     2.8    44.5    +      -       +      +
    679C  LEU*     2.9    42.0    -      -       +      -
    684C  LEU*     4.0    13.4    -      -       +      +
----------------------------------------------------------
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Residues in contact with GLU 636 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    549C  PRO*     3.8     7.6    -      -       +      +
    550C  LYS*     3.1    50.5    +      -       -      +
    553C  ALA*     3.6    19.1    -      -       +      -
    632C  GLN      3.2    15.2    +      -       -      +
    633C  VAL      3.2     7.2    +      -       -      +
    635C  VAL*     1.3    80.9    -      -       +      +
    637C  LEU*     1.3    63.3    +      -       -      +
    639C  ASP*     5.3     0.2    -      -       -      -
    640C  SER*     2.8    48.2    +      -       -      -
    641C  MET*     2.9     9.9    +      -       -      +
----------------------------------------------------------
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Residues in contact with LEU 637 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    553C  ALA*     3.6    34.1    -      -       +      +
    556C  VAL*     4.1    17.5    -      -       +      -
    557C  LEU      4.6     0.2    -      -       -      +
    633C  VAL*     2.9    33.6    +      -       +      +
    634C  ALA      3.5     5.4    -      -       -      +
    636C  GLU*     1.3    76.2    -      -       -      +
    638C  LYS*     1.3    57.3    +      -       -      +
    641C  MET*     3.6     7.2    -      -       +      -
    642C  GLY      2.8     8.3    +      -       -      -
    643C  ASP*     2.8    51.7    +      -       +      +
    646C  SER*     4.0    29.6    -      -       -      +
    647C  PHE*     4.0     6.3    -      -       +      +
    650C  LEU*     4.2    14.1    -      -       +      -
----------------------------------------------------------
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Residues in contact with LYS 638 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    634C  ALA      3.0    15.6    +      -       -      +
    635C  VAL*     3.7     4.3    -      -       -      +
    637C  LEU*     1.3    77.8    -      -       -      +
    639C  ASP*     1.3    89.4    +      -       -      +
    642C  GLY*     3.3    20.0    +      -       -      -
    643C  ASP      4.9     0.4    -      -       -      +
    644C  LEU*     5.0     4.0    -      -       -      -
    647C  PHE*     3.9    20.6    -      -       +      -
    683C  GLN*     5.5     4.1    -      -       -      +
    684C  LEU*     4.5    16.3    -      -       +      +
    687C  PHE*     3.4    57.5    -      -       +      -
    701C  PRO*     3.3    29.4    -      -       +      +
    702C  PRO*     4.9     2.8    -      -       -      +
    703C  ASN      5.3     0.2    +      -       -      -
    704C  ASN      4.7     0.2    -      -       -      +
----------------------------------------------------------
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Residues in contact with ASP 639 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    635C  VAL*     2.8    31.3    +      -       +      +
    638C  LYS*     1.3   109.7    +      -       -      +
    640C  SER*     1.3    62.7    +      -       -      +
    702C  PRO*     3.6    29.6    -      -       +      +
    703C  ASN*     3.4    22.7    +      -       -      +
----------------------------------------------------------
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Residues in contact with SER 640 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    550C  LYS*     3.4    15.6    +      -       -      -
    636C  GLU*     2.8    41.1    +      -       -      -
    639C  ASP*     1.3    82.7    +      -       -      +
    641C  MET*     1.3    75.3    +      -       -      -
    642C  GLY      3.5     0.2    -      -       -      -
    703C  ASN*     2.6    30.2    +      -       -      +
    764C  ILE*     3.4     9.7    -      -       -      +
----------------------------------------------------------
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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