Contacts of the strand formed by residues 332 - 337 (chain A) in PDB entry 6CM1


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 GLU 332 (chain A).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    328A  MET*     3.6     1.8    -      -       -      -
    329A  LEU      2.8    30.1    +      -       -      +
    330A  ARG*     4.3     7.6    -      -       +      +
    331A  GLY*     1.4    83.4    -      -       -      +
    333A  MET*     1.4    60.1    +      -       -      +
    334A  PHE*     3.1    24.8    -      -       +      -
    343A  ARG*     3.0    33.1    +      -       -      +
    344A  VAL      4.7     1.1    -      -       -      +
    345A  ARG*     3.6    33.5    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with MET 333 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    326A  VAL*     4.0    11.7    -      -       +      -
    327A  ALA      3.5     5.6    -      -       -      +
    328A  MET*     3.5    16.8    -      -       +      -
    331A  GLY      4.2     0.2    +      -       -      -
    332A  GLU*     1.4    69.9    -      -       -      +
    334A  PHE*     1.3    67.1    +      -       -      +
    335A  VAL*     4.9     0.7    -      -       +      -
    343A  ARG*     3.7     4.2    +      -       -      +
    344A  VAL*     2.8    68.4    +      -       +      +
    347A  ASN*     6.3     0.2    -      -       -      -
    467A  PHE*     3.5    38.4    -      -       +      -
    505A  TRP*     3.7    39.3    -      -       +      -
    506A  MET*     4.3     2.5    -      -       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with PHE 334 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    326A  VAL*     3.4     8.8    -      -       -      +
    327A  ALA*     2.9    33.8    +      -       +      +
    329A  LEU*     3.8    28.9    -      -       +      -
    332A  GLU*     3.1    42.0    -      -       +      -
    333A  MET*     1.3    70.6    -      -       -      +
    335A  VAL*     1.3    62.6    +      -       -      +
    336A  PHE*     3.5    28.0    -      +       +      -
    341A  PHE*     4.0    20.6    -      +       -      -
    342A  TRP      3.7     2.2    -      -       -      -
    343A  ARG*     3.6    47.1    -      -       +      -
    360A  PHE*     5.2    16.4    -      +       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with VAL 335 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    318A  ILE*     4.4     2.5    -      -       +      -
    323A  PHE*     3.5    50.3    -      -       +      -
    325A  THR      3.6     3.1    -      -       -      -
    326A  VAL*     4.3     3.1    -      -       +      +
    333A  MET*     4.9     0.9    -      -       +      -
    334A  PHE*     1.3    78.7    -      -       -      +
    336A  PHE*     1.4    59.2    +      -       -      +
    341A  PHE*     3.1     7.6    -      -       -      +
    342A  TRP*     2.8    54.6    +      -       +      +
    344A  VAL*     3.8    17.9    -      -       +      -
    506A  MET*     3.6    28.7    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with PHE 336 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    323A  PHE*     3.8     3.9    -      -       -      +
    324A  ASP*     3.0     5.7    +      -       +      -
    325A  THR*     2.6    53.8    +      -       +      +
    327A  ALA*     4.2    12.3    -      -       +      -
    329A  LEU*     4.3     5.6    -      -       +      -
    334A  PHE*     3.5    31.0    -      +       +      -
    335A  VAL*     1.4    79.2    -      -       -      +
    337A  LYS*     1.3    60.0    +      -       -      +
    340A  TRP      3.9     4.5    -      -       -      +
    341A  PHE*     3.8    20.9    -      +       +      -
    342A  TRP*     4.8     2.5    -      -       -      -
    357A  ILE*     4.6    18.2    -      -       +      -
    360A  PHE*     6.4     0.7    -      +       -      -
    361A  TRP*     5.0     7.0    -      +       -      -
    364A  LEU*     4.6    11.2    -      -       +      -
    368A  ILE*     4.0    24.0    -      -       +      -
    381A  PHE*     3.6    36.1    -      +       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with LYS 337 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    316A  PRO*     4.1    24.6    -      -       +      +
    321A  GLY      3.9    14.8    -      -       -      +
    322A  ASN*     3.4    33.3    +      -       -      +
    323A  PHE*     4.1     4.3    -      -       -      -
    324A  ASP*     3.4    18.4    +      -       -      +
    336A  PHE*     1.3    75.2    -      -       -      +
    338A  GLU*     1.4   100.6    +      -       +      +
    339A  ARG      3.1     2.8    +      -       -      -
    340A  TRP*     2.9    27.4    +      -       -      +
    342A  TRP*     4.1    17.0    -      -       +      -
    357A  ILE*     6.0     0.6    -      -       -      +
    367A  SER*     5.2     0.7    -      -       -      +
----------------------------------------------------------
 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