Contacts of the strand formed by residues 213 - 219 (chain A) in PDB entry 4U7D


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 PHE 213 (chain A).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    133A  PHE*     3.7    31.2    -      +       +      -
    135A  LEU*     3.7    14.8    -      -       +      -
    204A  LEU*     3.6    26.9    -      -       +      -
    207A  ALA      3.5     1.2    +      -       -      -
    208A  TYR*     3.8    48.9    -      +       +      +
    211A  ARG*     3.3     1.9    -      -       -      -
    212A  ARG*     1.3    79.3    -      -       -      +
    214A  THR*     1.3    63.4    +      -       -      +
    215A  ARG      3.2    26.0    -      -       -      -
    216A  ILE*     3.4    30.5    -      -       +      -
    241A  LEU*     5.5     0.2    -      -       +      -
    245A  PHE*     3.8    29.4    -      +       +      -
    247A  ASN      5.7     0.2    -      -       -      -
    248A  ALA*     4.1     4.7    -      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with THR 214 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    130A  SER*     2.8    26.6    +      -       -      +
    131A  ASP*     3.6    13.5    +      -       +      +
    133A  PHE      3.8     6.7    +      -       -      -
    134A  THR*     5.2     0.3    +      -       -      -
    211A  ARG*     3.9    22.2    -      -       +      +
    213A  PHE*     1.3    76.8    -      -       -      +
    215A  ARG*     1.3    75.5    +      -       -      +
    247A  ASN      4.3     4.4    -      -       -      +
    248A  ALA*     3.5    10.3    -      -       -      +
    249A  SER*     3.0    20.1    +      -       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with ARG 215 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    103A  THR*     2.5    49.7    +      -       +      -
    104A  MET*     3.5    30.5    +      -       -      +
    106A  GLY*     4.6     1.8    -      -       -      +
    123A  TYR*     5.0     2.5    -      -       -      +
    126A  PRO*     3.5    23.6    +      -       -      +
    129A  CYS      4.9     0.2    +      -       -      -
    130A  SER*     3.4    28.6    +      -       -      -
    133A  PHE      4.3     0.8    +      -       -      -
    134A  THR*     3.1    29.1    +      -       +      +
    135A  LEU      2.8    30.0    +      -       -      -
    213A  PHE*     3.2    10.1    -      -       -      -
    214A  THR*     1.3    84.2    +      -       -      +
    216A  ILE*     1.3    60.9    +      -       -      +
    249A  SER*     3.1    30.8    +      -       -      +
    251A  ILE*     6.0     1.3    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with ILE 216 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    134A  THR*     4.8     1.3    -      -       -      -
    135A  LEU*     3.4     5.4    -      -       +      +
    137A  ILE*     4.0    23.8    -      -       +      -
    213A  PHE*     3.4    27.8    -      -       +      -
    215A  ARG*     1.3    73.3    -      -       -      +
    217A  ALA*     1.3    57.3    +      -       -      +
    218A  VAL*     4.2     5.6    -      -       +      -
    241A  LEU*     4.3    33.7    -      -       +      +
    242A  LYS*     5.0     2.0    -      -       +      -
    245A  PHE*     4.7     2.0    -      -       +      +
    248A  ALA*     3.9    26.7    -      -       +      +
    249A  SER      2.6    12.0    +      -       -      +
    250A  LEU*     3.3    28.3    -      -       +      +
    251A  ILE*     2.7    35.5    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with ALA 217 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    123A  TYR*     3.7    41.5    -      -       +      -
    134A  THR*     4.4     2.2    -      -       +      +
    135A  LEU      2.4    22.2    +      -       -      +
    136A  VAL*     3.1    11.6    -      -       +      +
    137A  ILE*     2.6    36.0    +      -       -      +
    215A  ARG      4.3     0.4    -      -       -      -
    216A  ILE*     1.3    69.8    -      -       -      +
    218A  VAL*     1.3    56.4    +      -       -      +
    219A  ASP      3.9     0.4    -      -       -      -
    251A  ILE*     3.4    12.1    -      -       +      +
    253A  LEU*     4.5     1.3    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with VAL 218 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    137A  ILE*     3.7    15.9    -      -       +      -
    216A  ILE*     4.2    16.6    -      -       +      -
    217A  ALA*     1.3    75.1    -      -       -      +
    219A  ASP*     1.3    60.7    +      -       -      +
    221A  VAL*     3.9    20.4    +      -       +      -
    235A  TYR*     3.8    29.8    -      -       +      +
    238A  LEU*     4.5    13.7    -      -       +      -
    241A  LEU*     5.0     2.2    -      -       +      -
    250A  LEU*     4.2    16.2    -      -       +      -
    251A  ILE      2.9    12.7    +      -       -      +
    252A  GLY*     3.7     2.0    -      -       -      -
    253A  LEU*     3.2    23.3    +      -       -      +
    269A  LEU*     4.8     9.4    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with ASP 219 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    119A  LYS*     5.3     4.9    -      -       -      +
    120A  SER*     5.2     2.1    +      -       -      -
    123A  TYR*     4.0    19.2    +      -       +      -
    136A  VAL*     5.1     6.3    -      -       +      +
    137A  ILE      2.8    17.6    +      -       -      +
    138A  CYS*     4.5    20.0    -      -       +      -
    139A  PRO*     4.2     0.5    -      -       -      +
    143A  LEU*     5.6     2.3    -      -       -      +
    147A  GLN*     4.6     5.9    -      -       -      +
    188A  TYR*     5.9     0.9    -      -       -      -
    217A  ALA*     3.9     2.0    -      -       -      +
    218A  VAL*     1.3    72.6    -      -       -      +
    220A  GLU*     1.3    86.0    +      -       +      +
    235A  TYR*     2.4    31.0    +      -       -      -
    253A  LEU*     3.8    24.2    -      -       +      +
----------------------------------------------------------
 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