Contacts of the strand formed by residues 24 - 30 (chain T) in PDB entry 2JA7


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 CYS 24 (chain T).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     15T  VAL*     3.7    24.5    -      -       +      -
     16T  ASP      3.2     9.9    -      -       -      +
     17T  PRO*     3.3    32.5    -      -       -      -
     20T  TYR      5.0     1.6    -      -       -      -
     23T  VAL*     1.3    82.4    -      -       -      +
     25T  ARG*     1.3    62.0    +      -       -      +
     26T  ILE*     3.9     2.3    +      -       +      +
     42T  ILE*     2.8    33.3    +      -       -      +
     44T  VAL*     3.4    28.1    -      -       +      +
----------------------------------------------------------
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Residues in contact with ARG 25 (chain T). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    537M  ARG*     2.8    38.2    -      -       -      +
    598M  LEU*     2.9    44.3    +      -       -      +
    599M  SER      3.4     1.8    +      -       -      -
    600M  PRO*     3.2    26.6    -      -       -      +
     14T  GLU      4.1     1.2    -      -       -      +
     15T  VAL*     4.0     0.5    -      -       -      -
     16T  ASP*     3.0    42.4    +      -       +      +
     24T  CYS*     1.3    73.0    -      -       -      +
     26T  ILE*     1.3    69.4    +      -       -      +
     27T  GLU*     5.2     5.6    -      -       +      +
     39T  THR*     4.2    17.6    -      -       +      +
     40T  LEU      4.3     4.5    -      -       -      +
     41T  ASP*     2.7    32.1    +      -       -      +
    122T  LEU*     4.1     0.4    -      -       -      +
----------------------------------------------------------
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Residues in contact with ILE 26 (chain T). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     12T  VAL*     4.1    17.3    -      -       +      -
     14T  GLU      3.9     1.1    -      -       -      -
     15T  VAL*     3.6    26.7    -      -       +      -
     24T  CYS      3.9     4.0    +      -       -      +
     25T  ARG*     1.3    77.2    -      -       -      +
     27T  GLU*     1.3    78.0    +      -       -      +
     28T  ALA*     4.4     4.0    -      -       +      +
     38T  LEU*     5.5     4.2    -      -       +      +
     39T  THR*     3.2     4.5    -      -       -      +
     40T  LEU*     2.7    48.8    +      -       +      +
     42T  ILE*     4.8    19.5    -      -       +      -
     44T  VAL*     5.6     1.8    -      -       +      -
     49T  VAL*     3.1    44.6    -      -       +      -
     55T  LEU*     5.0     6.5    -      -       +      -
----------------------------------------------------------
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Residues in contact with GLU 27 (chain T). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     12T  VAL*     3.6     1.0    -      -       -      -
     13T  SER*     2.7    47.8    +      -       -      +
     14T  GLU*     3.5    21.9    +      -       -      +
     25T  ARG*     5.2     6.7    -      -       +      +
     26T  ILE*     1.3    85.9    -      -       -      +
     28T  ALA*     1.3    54.6    +      -       -      +
     38T  LEU      3.2     7.4    -      -       -      +
     39T  THR*     3.7    28.0    +      -       +      +
----------------------------------------------------------
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Residues in contact with ALA 28 (chain T). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     10T  PHE*     3.8    14.4    -      -       +      -
     11T  GLN      2.8    37.2    -      -       -      +
     12T  VAL*     3.5    10.1    -      -       +      +
     13T  SER*     3.9     4.0    -      -       -      +
     26T  ILE*     4.4     5.0    -      -       +      +
     27T  GLU*     1.3    74.1    -      -       -      +
     29T  ALA*     1.3    58.8    +      -       -      +
     37T  LYS*     3.8     3.6    -      -       -      +
     38T  LEU*     3.0    36.6    +      -       +      +
     55T  LEU*     5.9     1.6    -      -       +      -
----------------------------------------------------------
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Residues in contact with ALA 29 (chain T). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     10T  PHE*     2.9    30.3    -      -       -      -
     11T  GLN*     3.0    15.1    +      -       +      +
     13T  SER*     5.6     1.8    -      -       -      -
     28T  ALA*     1.3    74.8    -      -       -      +
     30T  SER*     1.3    65.5    +      -       -      +
     31T  THR*     4.9     0.3    +      -       -      -
     36T  CYS      4.0     6.7    -      -       -      +
     37T  LYS*     4.7     6.3    -      -       +      +
----------------------------------------------------------
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Residues in contact with SER 30 (chain T). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
      8T  ASP*     2.8    31.2    +      -       -      -
      9T  ILE      3.6     4.5    -      -       -      -
     10T  PHE*     4.1     2.0    -      -       -      -
     29T  ALA*     1.3    77.9    -      -       -      +
     31T  THR*     1.3    58.2    +      -       -      +
     32T  THR*     3.1    17.9    +      -       -      +
     33T  GLN*     3.7    15.8    +      -       -      +
     34T  ASP*     5.2     4.2    -      -       -      +
     36T  CYS*     3.1    38.6    +      -       -      +
----------------------------------------------------------
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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