Contacts of the strand formed by residues 513 - 520 (chain A) in PDB entry 2HD5


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 ALA 513 (chain A).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    406A  LEU*     3.5     8.0    -      -       +      +
    408A  ARG*     2.8    30.4    +      -       -      +
    427A  PHE*     3.5    33.2    -      -       +      -
    453A  VAL*     3.7    17.3    -      -       +      -
    455A  ASN*     3.5    12.9    +      -       -      +
    493A  VAL      5.5     0.4    -      -       -      +
    495A  THR*     3.4     8.9    +      -       -      +
    496A  SER      3.3     1.8    -      -       -      -
    512A  ASP*     1.3    74.7    -      -       -      +
    514A  TYR*     1.3    59.4    +      -       -      +
    516A  LEU*     4.0     6.3    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with TYR 514 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    295A  ASP*     2.6    35.3    +      -       -      -
    297A  GLN      4.5     5.2    -      -       -      -
    405A  HIS*     2.8    29.8    +      +       -      -
    406A  LEU*     3.0    57.9    +      -       -      +
    408A  ARG*     4.4     6.5    -      -       -      +
    409A  PHE*     3.5    16.6    -      +       -      -
    454A  SER      3.0    11.3    +      -       -      +
    456A  HIS*     4.3     9.0    -      -       +      +
    465A  TYR*     3.5    29.8    -      +       -      -
    512A  ASP      3.3     6.3    +      -       -      +
    513A  ALA*     1.3    75.8    -      -       -      +
    515A  LEU*     1.3    70.7    +      -       +      +
    516A  LEU      4.3     0.2    -      -       -      -
     42B  ARG*     4.0     0.5    +      -       -      -
     73B  LEU*     3.6    30.7    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with LEU 515 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    228A  ILE*     3.7    29.2    -      -       +      -
    296A  ALA*     4.1     5.8    -      -       +      -
    297A  GLN*     3.8    31.4    -      -       +      +
    300A  LEU*     4.5     6.5    -      -       +      -
    403A  VAL*     3.9    18.6    -      -       +      -
    404A  LEU      3.4     0.7    -      -       -      -
    405A  HIS*     3.5    40.8    -      -       +      -
    453A  VAL*     3.2     8.3    -      -       -      +
    454A  SER*     2.8    39.4    +      -       -      -
    514A  TYR*     1.3    84.7    -      -       +      +
    516A  LEU*     1.3    63.0    +      -       -      +
    517A  PHE*     4.0     9.2    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with LEU 516 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    360A  LEU*     3.9    27.1    -      -       +      -
    402A  LEU      3.5     1.6    -      -       -      +
    403A  VAL*     3.3     5.5    -      -       -      +
    404A  LEU*     2.8    44.6    +      -       +      +
    406A  LEU*     4.7    14.1    -      -       +      -
    425A  VAL*     5.7     0.2    -      -       +      -
    427A  PHE*     3.8    44.0    -      -       +      -
    450A  LEU*     4.2     1.6    -      -       +      -
    452A  ALA      3.8     2.7    -      -       -      -
    453A  VAL*     4.1     7.6    -      -       +      -
    513A  ALA*     4.0    25.8    -      -       +      -
    515A  LEU*     1.3    82.1    -      -       -      +
    517A  PHE*     1.3    61.3    +      -       -      +
    518A  TYR*     3.8    15.7    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with PHE 517 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    228A  ILE*     4.2    16.8    -      -       +      -
    231A  CYS*     3.6    38.6    -      -       +      -
    232A  LEU*     4.4    16.4    -      -       +      -
    235A  THR*     4.8     1.1    -      -       -      -
    300A  LEU*     4.3    15.5    -      -       +      -
    324A  PHE*     5.0     1.3    -      +       -      -
    401A  ILE*     4.7     2.0    -      -       +      -
    402A  LEU      3.8     2.9    -      -       -      -
    403A  VAL*     3.8    26.5    -      -       +      -
    450A  LEU*     3.4     3.7    -      -       -      +
    451A  TYR*     2.9    55.4    +      +       +      -
    452A  ALA*     2.9    29.7    +      -       +      +
    454A  SER*     4.5     2.7    -      -       -      -
    515A  LEU*     4.0    23.3    -      -       +      -
    516A  LEU*     1.3    74.1    -      -       -      +
    518A  TYR*     1.3    61.3    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with TYR 518 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    360A  LEU*     3.6     8.7    -      -       +      +
    401A  ILE*     3.4     7.4    -      -       -      +
    402A  LEU*     2.8    40.5    +      -       +      +
    404A  LEU*     3.9    11.4    -      -       +      -
    427A  PHE*     3.4    23.0    -      -       -      +
    428A  PRO*     2.7    34.9    +      -       -      +
    429A  LEU      4.9     0.4    -      -       -      -
    431A  LEU*     3.8    34.1    -      -       +      -
    448A  TYR*     3.7    25.6    -      -       +      -
    449A  ASN*     3.4     7.2    -      -       -      -
    450A  LEU*     3.3    38.1    -      -       +      -
    451A  TYR*     3.8     2.7    -      -       -      -
    516A  LEU*     3.8    17.0    -      -       +      -
    517A  PHE*     1.3    74.7    -      -       -      +
    519A  GLU*     1.3    59.9    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with GLU 519 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    236A  ARG*     4.6    27.1    +      -       -      +
    237A  GLU*     5.6     1.4    -      -       -      +
    400A  LYS      3.6     4.0    -      -       -      -
    401A  ILE*     4.0    13.4    -      -       +      +
    448A  TYR*     3.3     5.0    -      -       -      -
    449A  ASN*     2.8    52.3    +      -       +      +
    450A  LEU      4.9     1.0    -      -       -      +
    451A  TYR*     3.8    31.8    -      -       +      +
    470A  ARG*     5.2     8.7    +      -       -      -
    518A  TYR*     1.3    73.4    -      -       -      +
    520A  LEU*     1.3    69.0    +      -       -      +
    521A  ALA*     4.4     0.2    -      -       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with LEU 520 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    398A  PHE*     4.9     9.0    -      -       +      +
    399A  PRO      4.0    12.3    -      -       -      +
    400A  LYS*     2.9    30.4    +      -       +      +
    443A  HIS      5.0     2.9    -      -       -      +
    446A  ALA*     4.2     8.7    -      -       +      -
    447A  VAL      3.6    20.6    -      -       -      +
    448A  TYR*     3.4    32.4    -      -       +      +
    519A  GLU*     1.3    76.3    -      -       -      +
    521A  ALA*     1.3    70.6    +      -       -      +
----------------------------------------------------------
 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