Contacts of the strand formed by residues 328 - 334 (chain A) in PDB entry 2G1O


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 328 (chain A).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    187A  TYR*     3.1    62.8    +      -       +      +
    188A  ILE      3.0    17.7    -      -       -      +
    189A  ASN*     3.9    11.5    -      -       -      +
    190A  LEU*     4.0     4.6    -      -       -      +
    196A  TRP*     4.2     1.0    -      -       -      -
    321A  GLU*     4.1     0.4    +      -       -      +
    323A  ASP*     3.0    60.8    +      -       +      +
    326A  ASN*     3.2    36.3    +      -       +      +
    327A  ASN*     1.3    74.9    -      -       -      +
    329A  ILE*     1.3    64.4    +      -       -      +
----------------------------------------------------------
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Residues in contact with ILE 329 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    186A  HIS      3.9     0.7    -      -       -      +
    187A  TYR*     3.0     4.5    -      -       -      -
    188A  ILE*     2.8    33.3    +      -       -      +
    190A  LEU*     3.9    18.1    -      -       +      +
    196A  TRP*     3.9    21.8    -      -       +      +
    198A  ILE*     3.7    22.4    -      -       +      -
    220A  VAL*     3.5    30.7    -      -       +      -
    320A  THR*     3.8    17.7    -      -       +      -
    321A  GLU      3.6     3.8    -      -       -      +
    322A  PHE*     4.3     5.8    -      -       +      -
    328A  ARG*     1.3    78.2    -      -       -      +
    330A  GLY*     1.3    61.7    +      -       -      +
    331A  PHE*     3.6    31.0    -      -       +      -
----------------------------------------------------------
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Residues in contact with GLY 330 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    185A  PHE*     3.8     9.9    -      -       -      -
    186A  HIS      3.7     5.6    -      -       -      -
    187A  TYR*     3.6    23.5    -      -       -      -
    320A  THR*     3.5     2.4    -      -       -      +
    321A  GLU      3.0    31.2    +      -       -      -
    329A  ILE*     1.3    75.0    -      -       -      +
    331A  PHE*     1.3    72.4    +      -       -      -
----------------------------------------------------------
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Residues in contact with PHE 331 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    184A  ASN      3.9     1.4    -      -       -      +
    185A  PHE*     3.3     5.0    -      -       -      -
    186A  HIS*     3.1    31.3    +      -       -      +
    188A  ILE*     4.1     9.0    -      -       +      -
    198A  ILE*     4.1     9.0    -      -       +      -
    220A  VAL*     4.0    21.8    -      -       +      -
    267A  LEU*     3.5    25.6    -      -       +      -
    272A  TYR*     3.3    42.2    +      +       +      +
    310A  LEU*     4.8     0.4    -      -       +      -
    314A  PHE*     4.0    23.8    -      +       -      -
    318A  PHE*     4.3     6.1    -      -       +      -
    319A  TYR      3.5     3.4    -      -       -      -
    320A  THR*     2.9    37.0    -      -       +      -
    329A  ILE*     3.6    18.8    -      -       +      -
    330A  GLY*     1.3    77.8    -      -       -      -
    332A  ALA*     1.3    61.0    +      -       -      +
----------------------------------------------------------
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Residues in contact with ALA 332 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    181A  TYR*     3.9    26.5    -      -       +      -
    182A  GLU      4.2     3.6    -      -       -      +
    184A  ASN      4.2    12.6    -      -       -      +
    185A  PHE*     3.6    25.6    -      -       +      -
    272A  TYR*     5.8     0.2    -      -       -      -
    318A  PHE*     3.3     8.9    -      -       -      -
    319A  TYR*     2.7    34.0    +      -       -      +
    331A  PHE*     1.3    76.2    -      -       -      +
    333A  LEU*     1.3    59.3    +      -       -      +
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Residues in contact with LEU 333 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    181A  TYR*     3.1     4.7    -      -       -      -
    182A  GLU*     3.0    66.6    +      -       +      +
    317A  LYS*     3.3    31.2    -      -       +      +
    318A  PHE*     4.3    12.4    -      -       +      -
    332A  ALA*     1.3    71.0    -      -       -      +
    334A  ALA*     1.3    81.6    +      -       -      +
----------------------------------------------------------
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Residues in contact with ALA 334 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    156A  TYR*     4.6    13.7    -      -       +      -
    180A  HIS      3.5     8.3    -      -       -      +
    182A  GLU*     4.8     2.0    -      -       -      +
    315A  ILE      4.6     1.6    -      -       -      +
    316A  ARG      3.6    20.6    -      -       -      +
    317A  LYS*     2.9    24.0    +      -       -      +
    318A  PHE      4.1     0.4    -      -       -      +
    319A  TYR*     3.8    15.3    -      -       +      +
    332A  ALA      3.2     2.4    +      -       -      -
    333A  LEU*     1.3    86.0    -      -       -      +
    335A  ARG*     1.3    58.9    -      -       -      +
----------------------------------------------------------
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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