Contacts of the strand formed by residues 280 - 288 (chain X) in PDB entry 2Q0Z


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 LYS 280 (chain X).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    234X  LEU      3.2     9.9    -      -       -      +
    235X  GLU*     3.9    27.6    -      -       +      +
    277X  LEU*     3.5     4.9    -      -       -      +
    278X  GLN*     3.7     4.2    +      -       -      +
    279X  GLN*     1.3    92.6    +      -       +      +
    281X  ALA*     1.3    64.1    +      -       -      +
----------------------------------------------------------
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Residues in contact with ALA 281 (chain X). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    233X  GLN*     3.4     4.3    -      -       -      +
    234X  LEU*     2.9    34.3    +      -       +      +
    275X  LEU*     4.0    23.1    -      -       +      -
    276X  THR      4.7     3.8    -      -       -      +
    277X  LEU*     3.4    19.3    -      -       +      -
    280X  LYS*     1.3    78.2    -      -       -      +
    282X  LYS*     1.3    66.2    +      -       -      +
    283X  VAL*     5.0     0.7    -      -       -      -
----------------------------------------------------------
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Residues in contact with LYS 282 (chain X). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    232X  VAL      3.3     4.9    -      -       -      +
    233X  GLN*     3.7    39.2    -      -       +      +
    281X  ALA*     1.3    76.7    -      -       -      +
    283X  VAL*     1.3    65.8    +      -       -      +
    284X  LYS      4.3     0.2    -      -       -      -
----------------------------------------------------------
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Residues in contact with VAL 283 (chain X). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    230X  VAL      3.7     1.2    -      -       -      +
    231X  LEU*     3.7     1.1    -      -       -      -
    232X  VAL*     2.8    51.0    +      -       +      +
    234X  LEU*     4.5     7.4    -      -       +      -
    259X  VAL*     4.4    17.9    -      -       +      -
    273X  LYS*     3.9    32.8    -      -       +      +
    275X  LEU*     3.3    41.3    -      -       +      -
    282X  LYS*     1.3    81.3    -      -       -      +
    284X  LYS*     1.3    64.6    +      -       -      +
    285X  LEU*     4.0     4.0    +      -       +      -
----------------------------------------------------------
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Residues in contact with LYS 284 (chain X). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    229X  VAL*     3.6    26.2    -      -       +      +
    230X  VAL      3.7     2.7    -      -       -      -
    231X  LEU*     3.7    24.4    -      -       +      +
    273X  LYS*     2.7    41.0    +      -       -      +
    283X  VAL*     1.3    75.2    -      -       -      +
    285X  LEU*     1.3    65.8    +      -       -      +
    286X  ASP*     5.0     5.5    -      -       +      +
----------------------------------------------------------
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Residues in contact with LEU 285 (chain X). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    229X  VAL*     3.4     4.0    -      -       -      +
    230X  VAL*     2.8    37.9    +      -       +      +
    232X  VAL*     5.2     1.3    -      -       +      -
    259X  VAL*     3.4    39.3    -      -       +      +
    260X  VAL      4.3     0.4    -      -       -      +
    261X  ILE*     3.7    40.6    -      -       +      +
    271X  SER*     4.3     6.1    -      -       -      +
    272X  ILE      4.1    10.5    -      -       -      +
    273X  LYS*     3.4    45.8    -      -       +      +
    283X  VAL*     4.0     4.2    +      -       +      +
    284X  LYS*     1.3    75.5    -      -       -      +
    286X  ASP*     1.3    63.9    +      -       -      +
    299X  LEU*     4.3     3.4    -      -       +      -
----------------------------------------------------------
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Residues in contact with ASP 286 (chain X). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    227X  PRO*     5.2     7.4    -      -       +      +
    228X  VAL      3.1    13.0    -      -       -      +
    229X  VAL*     4.1    17.0    -      -       +      -
    271X  SER*     2.9    18.1    +      -       -      -
    273X  LYS*     5.8     2.6    -      -       -      -
    284X  LYS*     5.0     5.8    -      -       +      +
    285X  LEU*     1.3    79.6    -      -       -      +
    287X  PHE*     1.3    67.8    +      -       -      +
----------------------------------------------------------
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Residues in contact with PHE 287 (chain X). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    227X  PRO*     3.7     3.5    -      -       -      +
    228X  VAL*     2.9    68.1    +      -       +      +
    230X  VAL*     4.6     3.1    -      -       +      -
    261X  ILE*     3.9    34.5    -      -       +      -
    270X  ILE*     3.3    33.7    -      -       +      +
    271X  SER*     3.5     3.1    -      -       -      +
    286X  ASP*     1.3    82.6    -      -       -      +
    288X  VAL*     1.3    84.4    +      -       -      +
    290X  PRO*     4.7     1.8    -      -       +      -
    297X  TYR*     3.8    47.6    -      +       -      -
    315X  PHE*     4.6     3.8    -      +       -      -
    317X  VAL*     5.1     1.1    -      -       +      -
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Residues in contact with VAL 288 (chain X). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    225X  GLY*     3.6    25.4    -      -       -      +
    226X  GLY      3.7     4.7    -      -       -      -
    227X  PRO*     5.1     0.2    -      -       -      -
    287X  PHE*     1.3    87.9    -      -       -      +
    289X  ALA*     1.3    73.9    +      -       -      +
    290X  PRO*     3.5     3.6    -      -       -      +
----------------------------------------------------------
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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