Contacts of the strand formed by residues 402 - 407 (chain A) in PDB entry 3LX9


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 402 (chain A).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    366A  THR*     3.4    37.6    +      -       +      +
    367A  ILE*     3.4     4.5    -      -       -      +
    368A  ALA*     4.2    18.2    -      -       +      +
    369A  VAL*     4.5     0.2    -      -       -      -
    397A  TYR*     3.5    17.3    -      -       -      -
    400A  THR      4.9     4.7    -      -       -      +
    401A  SER*     1.3    78.9    -      -       -      +
    403A  LEU*     1.3    60.7    +      -       -      +
    404A  ARG*     4.0     2.3    +      -       -      +
----------------------------------------------------------
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Residues in contact with LEU 403 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    351A  VAL*     6.0     0.4    -      -       +      -
    353A  MET*     4.5     8.7    -      -       +      +
    365A  TYR*     3.6     1.6    -      -       -      +
    366A  THR*     3.2     6.1    -      -       -      +
    367A  ILE*     2.7    50.7    +      -       +      +
    369A  VAL*     4.0    12.2    -      -       +      +
    372A  LEU*     4.6     9.2    -      -       +      -
    384A  ILE*     4.1    22.9    -      -       +      -
    394A  LEU*     4.5    12.3    -      -       +      -
    397A  TYR*     4.0    18.2    -      -       +      +
    402A  ARG*     1.3    72.3    -      -       -      +
    404A  ARG*     1.3    83.7    +      -       -      +
    405A  SER*     3.8     8.9    +      -       -      +
    415A  LEU*     3.2    31.4    -      -       +      -
----------------------------------------------------------
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Residues in contact with ARG 404 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    364A  SER*     3.6    24.1    +      -       -      +
    365A  TYR      3.4     3.6    -      -       -      -
    366A  THR*     3.9    21.4    +      -       +      +
    394A  LEU*     5.8     0.5    -      -       -      +
    397A  TYR*     5.1     2.6    +      -       -      -
    402A  ARG      4.0     3.3    +      -       -      +
    403A  LEU*     1.3    80.6    -      -       -      +
    405A  SER*     1.3    69.5    +      -       -      +
    406A  HIS*     3.8    26.0    +      -       +      -
     58B  GLU*     3.5    39.8    +      -       -      +
     59B  GLU*     5.2     2.4    +      -       -      +
----------------------------------------------------------
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Residues in contact with SER 405 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    353A  MET*     3.2    34.3    -      -       -      +
    363A  ARG      3.7     0.3    -      -       -      +
    364A  SER*     3.3     4.5    +      -       -      -
    365A  TYR      2.7    40.3    +      -       -      -
    386A  GLN*     5.1     3.2    +      -       -      -
    394A  LEU*     5.3     2.1    -      -       -      +
    403A  LEU*     3.8     8.7    -      -       -      +
    404A  ARG*     1.3    75.6    +      -       -      +
    406A  HIS*     1.3    67.7    +      -       -      +
    407A  ILE*     4.2     9.0    -      -       -      -
    413A  VAL*     4.2    10.6    -      -       -      +
    415A  LEU*     4.8     2.3    -      -       -      +
----------------------------------------------------------
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Residues in contact with HIS 406 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    362A  PRO*     4.5    19.1    -      -       +      -
    363A  ARG      3.3     5.6    -      -       -      +
    364A  SER*     3.8    22.8    -      -       -      -
    404A  ARG*     3.8    30.3    +      -       -      +
    405A  SER*     1.3    73.3    -      -       -      +
    407A  ILE*     1.3    62.5    +      -       -      +
    408A  ASN*     4.3     1.0    +      -       -      +
    413A  VAL*     3.8    13.9    -      -       -      +
     59B  GLU*     3.6    25.3    +      -       -      +
----------------------------------------------------------
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Residues in contact with ILE 407 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    337A  PHE*     4.1    13.5    -      -       +      -
    353A  MET*     3.5    44.6    -      -       +      +
    354A  ILE      4.5     0.4    -      -       -      +
    355A  ASN*     3.0    35.1    +      -       +      +
    362A  PRO*     4.1     1.8    -      -       -      -
    363A  ARG      3.0    24.5    +      -       -      +
    365A  TYR*     4.0    22.0    -      -       +      -
    405A  SER*     4.5     3.6    -      -       -      -
    406A  HIS*     1.3    81.1    -      -       -      +
    408A  ASN*     1.3    63.3    +      -       -      +
    411A  GLY      3.5    28.7    -      -       -      +
    412A  THR*     4.1     3.6    -      -       -      +
    413A  VAL*     4.0    14.8    -      -       +      +
----------------------------------------------------------
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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