Contacts of the strand formed by residues 399 - 409 (chain A) in PDB entry 2XNF


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 LEU 399 (chain A).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    395A  VAL*     4.0    14.4    -      -       +      +
    396A  SER      4.7     0.7    -      -       -      +
    398A  LYS*     1.3    78.6    -      -       -      +
    400A  LEU*     1.3    65.8    +      -       -      +
    401A  ALA      3.3     0.2    +      -       -      -
    432A  TYR*     3.0     3.6    -      -       -      -
    433A  VAL*     2.7    60.8    +      -       +      +
    435A  HIS*     3.5    55.2    -      -       +      +
    437A  GLU      5.7     2.9    -      -       -      +
----------------------------------------------------------
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Residues in contact with LEU 400 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    395A  VAL*     4.8     4.2    -      -       +      +
    398A  LYS      4.0     1.0    +      -       -      -
    399A  LEU*     1.3    73.3    -      -       -      +
    401A  ALA*     1.3    64.9    +      -       -      +
    402A  TRP      3.9    10.8    -      -       -      +
    403A  SER*     3.6    23.6    -      -       -      +
    430A  GLN*     5.0    12.8    -      -       +      +
    431A  VAL      4.0     1.3    -      -       -      +
    432A  TYR*     3.5    35.9    -      -       +      +
----------------------------------------------------------
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Residues in contact with ALA 401 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    399A  LEU*     4.1     2.5    -      -       +      +
    400A  LEU*     1.3    79.0    -      -       -      +
    402A  TRP*     1.3    60.3    +      -       +      +
    431A  VAL*     2.9     9.8    +      -       +      +
    433A  VAL*     3.6    35.0    -      -       +      -
    439A  LEU*     5.5     3.1    -      -       +      +
    441A  THR*     2.7    36.4    +      -       +      +
    444A  TRP*     6.4     0.2    -      -       +      -
----------------------------------------------------------
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Residues in contact with TRP 402 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    400A  LEU*     3.9     2.7    -      -       -      +
    401A  ALA*     1.3    79.9    -      -       +      +
    403A  SER*     1.3    71.2    +      -       -      +
    404A  GLY*     3.5    37.2    -      -       -      -
    405A  VAL      3.9     8.1    -      -       -      -
    406A  LEU*     4.0     8.1    -      -       +      -
    429A  CYS*     4.1     2.2    -      -       -      -
    431A  VAL*     2.7    65.7    +      -       +      +
    441A  THR*     3.6    38.7    +      -       +      -
    444A  TRP*     3.6    24.0    +      +       +      +
    445A  PRO      3.1    27.4    +      -       -      -
    446A  GLN*     3.8    10.8    -      -       -      +
    448A  LEU*     3.7    31.2    -      -       +      -
----------------------------------------------------------
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Residues in contact with SER 403 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    400A  LEU*     3.6    18.0    -      -       -      +
    402A  TRP*     1.3    91.1    +      -       -      +
    404A  GLY*     1.3    58.0    +      -       -      +
    429A  CYS      3.4    11.4    -      -       -      -
    430A  GLN*     4.0    14.0    +      -       -      +
    446A  GLN*     5.9     1.9    -      -       -      +
----------------------------------------------------------
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Residues in contact with GLY 404 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    402A  TRP*     3.5    26.2    -      -       -      -
    403A  SER*     1.3    75.3    -      -       -      +
    405A  VAL*     1.3    67.0    +      -       -      -
    428A  PRO*     3.7     1.2    -      -       -      +
    429A  CYS*     2.8    35.2    +      -       -      +
    446A  GLN*     4.0     5.8    -      -       -      -
----------------------------------------------------------
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Residues in contact with VAL 405 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    402A  TRP*     4.0     0.9    -      -       -      -
    404A  GLY*     1.3    78.7    -      -       -      -
    406A  LEU*     1.3    68.3    +      -       -      +
    426A  SER*     3.7    28.3    -      -       -      -
    427A  LEU      3.6    14.6    -      -       -      +
    428A  PRO*     4.3    14.1    -      -       +      -
    446A  GLN*     2.9    25.6    +      -       +      +
    447A  LYS*     3.2    33.8    -      -       +      -
    448A  LEU      3.4     2.4    +      -       -      -
----------------------------------------------------------
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Residues in contact with LEU 406 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    402A  TRP*     4.0     3.6    -      -       +      -
    405A  VAL*     1.3    78.0    -      -       -      +
    407A  GLU*     1.3    62.5    +      -       -      +
    408A  TRP*     4.0     2.0    +      -       +      -
    425A  ARG      3.6     0.7    -      -       -      +
    426A  SER*     3.1     3.1    -      -       -      -
    427A  LEU*     2.8    37.6    +      -       +      +
    429A  CYS*     3.4    22.7    -      -       -      -
    448A  LEU*     3.6    41.7    -      -       +      +
    450A  MET*     3.7    30.5    -      -       +      -
    473A  PHE*     3.6    26.9    -      -       +      -
    475A  PHE*     3.8    19.5    -      -       +      -
    498A  VAL*     5.1     3.6    -      -       +      -
    513A  LEU*     4.1     2.7    -      -       +      -
----------------------------------------------------------
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Residues in contact with GLU 407 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    405A  VAL      4.2     0.4    +      -       -      -
    406A  LEU*     1.3    73.4    -      -       -      +
    408A  TRP*     1.3    60.4    +      -       -      +
    409A  GLN*     5.4     0.2    -      -       -      +
    424A  THR*     3.6    28.5    -      -       +      +
    425A  ARG      3.1     3.4    -      -       -      +
    426A  SER*     3.6    26.9    -      -       -      -
    447A  LYS*     2.8    46.0    +      -       +      +
    448A  LEU      3.0    13.1    +      -       -      +
    449A  ILE*     3.6     6.4    -      -       +      +
    450A  MET*     3.0    25.3    +      -       -      +
----------------------------------------------------------
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Residues in contact with TRP 408 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    406A  LEU*     4.5     2.7    -      -       +      -
    407A  GLU*     1.3    74.7    -      -       -      +
    409A  GLN*     1.3    65.9    +      -       -      +
    410A  GLU*     4.2    18.3    +      -       +      -
    423A  LEU      4.2     0.9    -      -       -      +
    424A  THR*     3.5     3.8    -      -       -      -
    425A  ARG*     2.8    77.6    +      -       +      +
    426A  SER      4.8     0.6    +      -       -      -
    427A  LEU*     4.3    20.6    -      -       +      +
    450A  MET*     3.2    34.5    -      -       +      +
    452A  LEU*     3.8    20.9    -      -       +      -
    482A  SER*     5.0    18.8    -      -       -      -
    485A  GLY      6.1     0.7    -      -       -      -
    486A  LEU*     4.2    30.3    -      -       +      +
    489A  ILE*     4.7    18.8    -      -       +      -
----------------------------------------------------------
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Residues in contact with GLN 409 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    407A  GLU      5.4     0.2    -      -       -      +
    408A  TRP*     1.3    78.7    -      -       -      +
    410A  GLU*     1.3    60.9    +      -       -      +
    411A  LYS      4.0    15.4    +      -       -      +
    412A  PRO*     4.4    12.3    +      -       -      +
    421A  THR*     3.5    30.5    +      -       -      +
    422A  LYS*     4.8     1.8    -      -       -      +
    423A  LEU      4.4     4.7    +      -       -      +
    424A  THR*     3.6    28.9    +      -       +      +
    449A  ILE*     4.2    19.9    -      -       +      +
    450A  MET      2.9     9.7    +      -       -      +
    451A  GLN*     2.8    30.5    -      -       +      +
    452A  LEU*     3.3    15.6    +      -       -      +
----------------------------------------------------------
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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