Contacts of the strand formed by residues 556 - 568 (chain M) in PDB entry 2AS5


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 556 (chain M).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    552M  GLU*     3.0    42.9    +      -       +      +
    554M  SER*     4.3    15.0    +      -       -      +
    555M  GLY*     1.3    85.6    -      -       -      +
    557M  ILE*     1.3    65.0    +      -       -      +
    558M  VAL*     3.3     5.4    +      -       +      +
    554N  SER      4.3     5.3    +      -       -      -
    555N  GLY*     3.2    38.5    +      -       -      -
    556N  ARG*     4.4    18.1    -      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with ILE 557 (chain M). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    393M  SER*     3.8    29.2    -      -       -      -
    394M  LEU      5.5     0.2    -      -       -      +
    395M  PRO*     6.0     0.7    -      -       +      -
    549M  HIS*     3.9    30.1    -      -       +      +
    550M  ILE      4.1     5.4    -      -       -      +
    551M  PRO*     4.8     8.7    -      -       +      -
    555M  GLY      4.2     2.9    +      -       -      +
    556M  ARG*     1.3    69.9    -      -       -      +
    558M  VAL*     1.3    60.7    +      -       -      +
    559M  SER*     3.6    13.8    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with VAL 558 (chain M). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    405M  SER*     4.4    15.5    -      -       -      +
    408M  TYR*     4.6    11.7    -      -       +      -
    549M  HIS*     3.7     1.6    -      -       -      -
    550M  ILE*     3.0    43.8    +      -       +      +
    552M  GLU*     4.0    23.3    -      -       +      +
    556M  ARG*     3.6    16.8    -      -       +      +
    557M  ILE*     1.3    70.6    -      -       -      +
    559M  SER*     1.3    60.4    +      -       -      +
    560M  LEU*     3.4    25.4    -      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with SER 559 (chain M). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    395M  PRO*     4.4     8.7    -      -       -      +
    401M  LEU*     4.0    39.2    -      -       -      +
    402M  SER      4.4     2.4    +      -       -      +
    405M  SER*     4.8     4.3    +      -       -      -
    548M  VAL      3.4     4.5    -      -       -      -
    549M  HIS*     3.0    28.0    +      -       -      -
    557M  ILE*     3.6    11.7    +      -       -      +
    558M  VAL*     1.3    71.5    -      -       -      +
    560M  LEU*     1.3    67.6    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with LEU 560 (chain M). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    401M  LEU*     4.9     0.4    -      -       -      -
    402M  SER      3.6     6.5    -      -       -      +
    403M  SER      4.1     3.1    -      -       -      +
    404M  GLN*     4.0    18.2    -      -       -      +
    405M  SER*     4.1     7.2    -      -       -      +
    408M  TYR*     3.4    43.5    -      -       +      +
    409M  GLU*     4.0     4.7    -      -       -      +
    410M  LEU*     3.5    14.0    -      -       +      +
    445M  LEU*     4.8     1.6    -      -       +      -
    547M  ARG*     3.4     1.6    -      -       -      +
    548M  VAL*     2.8    40.5    +      -       +      +
    550M  ILE*     4.4    11.0    -      -       +      -
    558M  VAL*     3.4    32.8    -      -       +      +
    559M  SER*     1.3    84.1    -      -       -      +
    561M  GLN*     1.3    63.1    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with GLN 561 (chain M). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    397M  LEU      5.2     2.0    +      -       -      -
    399M  TRP      5.2     1.4    +      -       -      -
    400M  PRO*     5.5     2.4    -      -       -      +
    401M  LEU*     3.8    32.1    +      -       +      +
    402M  SER      3.2     8.1    +      -       -      +
    403M  SER*     3.0    25.1    +      -       -      +
    410M  LEU*     3.5     4.2    -      -       -      +
    459M  PHE*     4.7     1.6    -      -       -      -
    468M  LEU*     3.5    29.1    -      -       -      +
    545M  VAL*     3.7    14.9    -      -       +      +
    546M  PHE      2.9    19.7    -      -       -      +
    547M  ARG*     2.5    49.3    +      -       +      +
    560M  LEU*     1.3    76.4    -      -       -      +
    562M  THR*     1.3    64.6    +      -       -      +
    563M  ALA      5.0     0.2    -      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with THR 562 (chain M). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    403M  SER*     4.1    11.3    -      -       -      -
    410M  LEU*     3.1    42.1    +      -       +      +
    411M  ARG      4.3     7.0    -      -       -      +
    412M  ILE*     5.0     9.3    -      -       +      +
    546M  PHE*     2.8    45.4    +      -       +      -
    561M  GLN*     1.3    79.8    -      -       -      +
    563M  ALA*     1.3    72.1    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with ALA 563 (chain M). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    412M  ILE*     3.9     9.5    -      -       -      +
    415M  GLN*     4.8     0.2    +      -       -      -
    468M  LEU*     4.1    21.7    -      -       +      +
    543M  ARG*     3.9    33.0    -      -       -      +
    544M  LEU      3.5     7.9    -      -       -      +
    545M  VAL*     4.2     7.8    -      -       +      +
    561M  GLN*     5.0     0.4    -      -       -      +
    562M  THR*     1.3    85.9    +      -       -      +
    564M  SER*     1.3    63.4    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with SER 564 (chain M). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    412M  ILE*     3.8     9.9    -      -       -      -
    415M  GLN*     3.1    16.8    -      -       -      +
    416M  PRO*     3.8    11.4    -      -       -      -
    543M  ARG*     3.5    20.7    +      -       -      +
    544M  LEU*     2.7    50.0    +      -       -      +
    546M  PHE*     4.6     0.2    -      -       -      -
    563M  ALA*     1.3    78.2    -      -       -      +
    565M  ASN*     1.3    74.2    +      -       -      +
    567M  ILE*     3.8     3.3    -      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with ASN 565 (chain M). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    415M  GLN*     2.5    43.2    +      -       +      +
    416M  PRO*     4.9     4.5    -      -       +      +
    542M  VAL      4.0     0.3    -      -       -      +
    543M  ARG*     4.3     0.8    -      -       -      -
    564M  SER*     1.3    88.6    +      -       -      +
    566M  PRO*     1.3    79.1    -      -       +      +
    567M  ILE*     3.1     9.2    -      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with PRO 566 (chain M). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    417M  LYS      4.8     0.7    -      -       -      +
    418M  PRO*     4.1     9.5    -      -       -      +
    463M  ALA*     4.2    15.0    -      -       +      +
    541M  ARG*     3.6    32.5    -      -       +      +
    542M  VAL      3.1    11.4    -      -       -      +
    543M  ARG*     4.1    15.7    -      -       +      +
    565M  ASN*     1.3    93.9    -      -       +      +
    567M  ILE*     1.3    63.4    +      -       -      +
    579M  MET*     5.8     2.8    -      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with ILE 567 (chain M). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    416M  PRO*     4.1    11.0    -      -       +      -
    417M  LYS      3.9    15.0    -      -       -      +
    418M  PRO      3.4    13.2    -      -       -      +
    419M  HIS      4.0     0.7    -      -       -      -
    420M  HIS*     3.6    32.8    -      -       +      +
    433M  VAL*     5.1     3.1    -      -       +      -
    518M  ILE*     5.3     1.3    -      -       +      -
    541M  ARG*     3.2     5.6    -      -       -      -
    542M  VAL*     2.6    51.7    +      -       +      +
    544M  LEU*     3.3    32.3    -      -       +      +
    564M  SER*     3.8     2.9    -      -       -      +
    565M  ASN      3.1    19.5    -      -       -      +
    566M  PRO*     1.3    74.6    -      -       -      +
    568M  GLU*     1.3    68.8    +      -       -      +
    569M  CYS*     3.8     6.1    +      -       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with GLU 568 (chain M). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    418M  PRO      3.1     5.0    +      -       -      +
    419M  HIS*     3.7    23.0    -      -       +      +
    420M  HIS      3.1    23.4    +      -       -      -
    540M  THR*     2.6    39.2    +      -       -      +
    541M  ARG*     3.7    18.6    -      -       +      +
    567M  ILE*     1.3    73.4    -      -       -      +
    569M  CYS*     1.3    63.1    +      -       -      +
    570M  SER      3.2    16.9    +      -       -      +
    573M  SER*     2.8    44.1    -      -       -      +
    574M  ALA*     5.4     0.6    -      -       +      +
    577M  LEU*     5.2     4.8    -      -       +      +
    579M  MET*     5.2     8.9    -      -       -      -
----------------------------------------------------------
 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