Contacts of the helix formed by residues 624 - 643 (chain D) in PDB entry 6AH0


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 ARG 624 (chain D).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    619D  LEU      4.3     2.9    -      -       -      -
    622D  ASP*     3.0     2.2    -      -       -      +
    623D  ASP*     1.3    76.1    -      -       -      +
    625D  GLY*     1.3    65.4    +      -       -      +
    626D  PRO      3.3     0.9    -      -       -      -
    627D  VAL*     3.1    16.5    +      -       -      -
    628D  LEU      4.0     2.4    +      -       -      -
----------------------------------------------------------
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Residues in contact with GLY 625 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    619D  LEU      3.3    17.1    +      -       -      -
    620D  LEU*     3.5    18.1    -      -       -      -
    622D  ASP      2.7    19.2    +      -       -      -
    623D  ASP      3.0     1.4    -      -       -      -
    624D  ARG*     1.3    78.5    -      -       -      +
    626D  PRO*     1.3    61.3    -      -       -      +
    627D  VAL      3.0     1.4    +      -       -      -
    628D  LEU*     3.1     5.8    +      -       -      -
    629D  GLU*     3.1    17.0    +      -       -      -
    892D  GLN      5.7     2.0    -      -       -      -
----------------------------------------------------------
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Residues in contact with PRO 626 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    623D  ASP      4.2     4.8    -      -       -      +
    624D  ARG      3.2     1.6    -      -       -      -
    625D  GLY*     1.3    73.3    -      -       -      +
    627D  VAL*     1.3    50.8    +      -       -      +
    629D  GLU*     3.3     4.1    +      -       -      +
    630D  ALA*     2.7    30.5    +      -       -      -
    892D  GLN      5.3     3.0    -      -       -      -
    893D  MET*     4.7    23.0    -      -       -      +
----------------------------------------------------------
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Residues in contact with VAL 627 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    590D  PRO      5.6     9.6    -      -       -      +
    591D  GLU*     6.3     1.8    -      -       -      +
    624D  ARG      3.1     8.6    +      -       -      -
    625D  GLY      3.0     1.6    +      -       -      -
    626D  PRO*     1.3    72.1    -      -       -      +
    628D  LEU*     1.3    53.8    +      -       -      +
    629D  GLU      3.0     0.9    -      -       -      -
    630D  ALA*     2.8     5.4    +      -       -      +
    631D  LEU*     2.8    32.1    +      -       -      -
----------------------------------------------------------
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Residues in contact with LEU 628 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    590D  PRO*     5.8     6.1    -      -       -      +
    624D  ARG      4.0     3.6    +      -       -      -
    625D  GLY*     3.1     7.1    +      -       -      -
    627D  VAL*     1.3    73.5    -      -       -      +
    629D  GLU*     1.3    59.6    +      -       -      +
    631D  LEU*     3.9     2.0    -      -       -      +
    632D  VAL*     3.1    21.7    +      -       -      -
----------------------------------------------------------
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Residues in contact with GLU 629 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    625D  GLY      3.1    11.8    +      -       -      -
    626D  PRO*     3.5     6.1    -      -       -      -
    627D  VAL      3.0     0.8    -      -       -      -
    628D  LEU*     1.3    77.7    -      -       -      +
    630D  ALA*     1.3    55.4    +      -       -      +
    632D  VAL*     5.5     0.2    -      -       -      +
    633D  ALA*     3.1    26.5    +      -       -      -
    923D  ALA*     5.3     6.6    -      -       -      -
    924D  TYR      5.6     7.4    -      -       -      +
----------------------------------------------------------
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Residues in contact with ALA 630 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    626D  PRO      2.7    16.4    +      -       -      -
    627D  VAL*     2.8     5.4    +      -       -      +
    629D  GLU*     1.3    74.4    -      -       -      +
    631D  LEU*     1.3    66.0    +      -       -      +
    633D  ALA*     5.2     0.2    -      -       -      +
    634D  ARG*     3.1    17.0    +      -       -      -
----------------------------------------------------------
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Residues in contact with LEU 631 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    594D  ASP*     6.4     2.0    -      -       -      +
    627D  VAL      2.8    16.7    +      -       -      -
    628D  LEU*     3.9     2.9    -      -       -      +
    629D  GLU      3.4     0.2    -      -       -      -
    630D  ALA*     1.3    72.6    -      -       -      +
    632D  VAL*     1.3    56.2    +      -       -      +
    634D  ARG*     3.0     5.2    +      -       -      -
    635D  ALA*     2.9    24.9    +      -       -      -
----------------------------------------------------------
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Residues in contact with VAL 632 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    628D  LEU      3.1    14.6    +      -       -      -
    631D  LEU*     1.3    73.5    -      -       -      +
    633D  ALA*     1.3    62.7    +      -       -      +
    635D  ALA*     3.1     2.8    +      -       -      +
    636D  ILE*     2.9    22.0    +      -       -      -
----------------------------------------------------------
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Residues in contact with ALA 633 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    629D  GLU      3.1    18.7    +      -       -      -
    630D  ALA      4.1     0.4    -      -       -      -
    632D  VAL*     1.3    73.7    -      -       -      +
    634D  ARG*     1.3    57.5    +      -       -      +
    636D  ILE*     3.8     1.0    -      -       -      +
    637D  ARG*     2.9    29.1    +      -       -      -
    919D  TRP      5.9     1.1    -      -       -      -
    922D  TYR*     4.0    26.9    -      -       -      +
    923D  ALA*     5.5     0.4    -      -       -      +
----------------------------------------------------------
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Residues in contact with ARG 634 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    630D  ALA      3.1    11.2    +      -       -      -
    631D  LEU      3.0     7.7    +      -       -      -
    633D  ALA*     1.3    74.1    -      -       -      +
    635D  ALA*     1.3    57.4    +      -       -      +
    637D  ARG*     3.8     0.8    -      -       -      +
    638D  ASN*     2.9    29.1    +      -       -      -
----------------------------------------------------------
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Residues in contact with ALA 635 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    631D  LEU      2.9    13.4    +      -       -      -
    632D  VAL*     3.1     4.7    +      -       -      +
    634D  ARG*     1.3    75.4    -      -       -      +
    636D  ILE*     1.3    61.1    +      -       -      +
    638D  ASN*     3.4     1.3    +      -       -      +
    639D  ILE*     3.0    19.4    +      -       -      -
----------------------------------------------------------
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Residues in contact with ILE 636 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    632D  VAL      2.9    15.5    +      -       -      -
    633D  ALA*     3.8     1.3    -      -       -      +
    635D  ALA*     1.3    72.7    -      -       -      +
    637D  ARG*     1.3    64.8    +      -       -      +
    639D  ILE*     2.9    14.1    +      -       -      +
    640D  GLU*     3.2     9.5    +      -       -      -
----------------------------------------------------------
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Residues in contact with ARG 637 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    633D  ALA      2.9    20.2    +      -       -      -
    634D  ARG*     3.8     0.9    -      -       -      +
    636D  ILE*     1.3    70.8    -      -       -      +
    638D  ASN*     1.3    60.1    +      -       -      +
    640D  GLU*     3.6     8.4    +      -       -      +
    641D  MET*     3.7     7.4    +      -       -      -
----------------------------------------------------------
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Residues in contact with ASN 638 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    634D  ARG      2.9    17.3    +      -       -      -
    635D  ALA*     3.8     1.8    -      -       -      +
    637D  ARG*     1.3    74.0    -      -       -      +
    639D  ILE*     1.3    64.0    +      -       -      +
    640D  GLU      3.2     1.8    -      -       -      -
    641D  MET*     3.0    13.3    +      -       -      +
    642D  THR*     3.1    11.4    +      -       -      -
----------------------------------------------------------
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Residues in contact with ILE 639 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    635D  ALA      3.0    11.6    +      -       -      -
    636D  ILE*     2.9     7.7    +      -       -      +
    638D  ASN*     1.3    75.9    -      -       -      +
    640D  GLU*     1.3    57.2    +      -       -      +
    642D  THR*     4.5     0.9    -      -       -      +
    643D  GLN*     2.8    32.7    +      -       -      -
    644D  GLU      4.1    16.5    -      -       -      +
    645D  ASP*     5.7     1.3    -      -       -      +
----------------------------------------------------------
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Residues in contact with GLU 640 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    636D  ILE      3.2    10.8    +      -       -      -
    637D  ARG*     3.6     5.4    +      -       -      +
    638D  ASN      3.2     1.2    -      -       -      -
    639D  ILE*     1.3    78.0    -      -       -      +
    641D  MET*     1.3    59.0    +      -       -      +
    643D  GLN*     4.3     3.5    +      -       -      -
----------------------------------------------------------
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Residues in contact with MET 641 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    637D  ARG      3.7     7.3    +      -       -      -
    638D  ASN      3.0     7.7    +      -       -      -
    640D  GLU*     1.3    79.1    -      -       -      +
    642D  THR*     1.3    61.2    +      -       -      +
    643D  GLN*     3.5     0.7    +      -       -      -
   1578D  THR*     3.5    23.5    -      -       -      +
   1582D  ALA*     5.4    12.1    +      -       -      +
----------------------------------------------------------
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Residues in contact with THR 642 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    638D  ASN      3.1    12.5    +      -       -      -
    639D  ILE*     4.1     0.9    -      -       -      +
    641D  MET*     1.3    76.2    -      -       -      +
    643D  GLN*     1.3    57.3    +      -       -      +
    644D  GLU*     2.9    14.1    +      -       -      +
   1578D  THR*     6.1     1.3    -      -       -      +
----------------------------------------------------------
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Residues in contact with GLN 643 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    639D  ILE      2.8    15.6    +      -       -      -
    640D  GLU      4.3     3.3    +      -       -      -
    641D  MET      3.3     3.8    +      -       -      -
    642D  THR*     1.3    74.3    -      -       -      +
    644D  GLU*     1.3    60.0    +      -       -      +
    645D  ASP*     3.7     1.6    +      -       -      -
----------------------------------------------------------
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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