Contacts of the helix formed by residues 37 - 47 (chain W) in PDB entry 2ZJQ


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 THR 37 (chain W).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     35W  SER*     2.6    30.1    +      -       -      +
     36W  ASP*     1.3    77.6    -      -       -      +
     38W  PRO*     1.3    66.8    -      -       +      -
     39W  ALA*     3.1     2.7    -      -       -      -
     40W  VAL*     2.5    33.1    +      -       -      +
     41W  ARG*     2.8    14.5    +      -       -      +
    939X    C      3.7     9.9    -      -       -      +
    940X    G      2.6    47.0    +      -       -      +
----------------------------------------------------------
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Residues in contact with PRO 38 (chain W). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     37W  THR*     1.3    82.7    -      -       +      -
     39W  ALA*     1.3    64.6    +      -       +      +
     41W  ARG*     2.4    41.3    -      -       -      +
     42W  GLY*     2.9    21.7    +      -       -      -
    865X    A      3.7    29.5    -      -       -      +
    866X    U      5.8     0.9    -      -       -      -
    939X    C      5.2    10.8    -      -       +      +
----------------------------------------------------------
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Residues in contact with ALA 39 (chain W). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     37W  THR*     2.7     5.0    +      -       -      -
     38W  PRO*     1.3    78.1    -      -       -      +
     40W  VAL*     1.3    57.9    +      -       -      +
     43W  MET*     3.0    14.0    +      -       -      +
    864X    C      2.5    27.9    +      -       -      +
    865X    A      3.5    14.8    +      -       -      +
    938X    G      3.3    28.0    -      -       -      +
    939X    C      6.5     0.4    -      -       -      -
    940X    G      3.7    27.6    -      -       -      +
----------------------------------------------------------
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Residues in contact with VAL 40 (chain W). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     23W  LEU*     5.1     1.3    -      -       +      -
     34W  VAL*     3.2    29.8    -      -       +      -
     35W  SER*     2.8    29.8    -      -       -      +
     37W  THR*     2.5    16.0    +      -       -      +
     39W  ALA*     1.3    72.9    -      -       -      +
     41W  ARG*     1.3    64.8    +      -       -      +
     42W  GLY      3.0     1.1    -      -       -      -
     43W  MET*     3.1    25.3    +      -       +      +
     44W  VAL*     3.1    13.4    +      -       +      +
    940X    G      3.0    26.2    -      -       +      +
    941X    U      3.8    27.6    -      -       -      +
----------------------------------------------------------
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Residues in contact with ARG 41 (chain W). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
      1W  MET*     6.4     2.0    -      -       -      -
     35W  SER      5.2     0.4    -      -       -      +
     36W  ASP*     2.6    66.5    +      -       -      +
     37W  THR*     2.8    20.3    +      -       -      +
     38W  PRO*     2.4    48.9    -      -       -      +
     40W  VAL*     1.3    74.1    -      -       -      +
     42W  GLY*     1.3    62.5    +      -       -      +
     44W  VAL*     3.3     8.4    +      -       -      +
     45W  LYS*     3.0    31.6    +      -       +      +
----------------------------------------------------------
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Residues in contact with GLY 42 (chain W). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     38W  PRO      2.9    11.7    +      -       -      -
     41W  ARG*     1.3    75.0    -      -       -      +
     43W  MET*     1.3    69.6    +      -       -      +
     44W  VAL      3.1     0.2    +      -       -      -
     45W  LYS*     3.2     5.7    +      -       -      -
     46W  THR*     2.9    24.6    +      -       -      -
    864X    C      2.8    27.4    -      -       -      -
    865X    A      4.0     8.3    -      -       -      -
----------------------------------------------------------
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Residues in contact with MET 43 (chain W). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     19W  THR*     3.1    24.8    -      -       +      +
     22W  ALA*     3.5    19.1    -      -       +      -
     23W  LEU*     3.2    48.5    -      -       +      +
     39W  ALA      3.0    12.6    -      -       -      +
     40W  VAL*     3.1    19.1    -      -       +      +
     42W  GLY*     1.3    76.4    -      -       -      +
     44W  VAL*     1.3    64.0    +      -       -      +
     46W  THR*     3.3     5.5    -      -       -      -
     47W  VAL*     3.6     1.2    +      -       -      +
    863X    C      3.6     9.9    -      -       -      +
    864X    C      3.0    21.9    +      -       -      +
    940X    G      2.9    26.5    -      -       -      +
    941X    U      3.2    31.2    -      -       -      +
----------------------------------------------------------
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Residues in contact with VAL 44 (chain W). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
      1W  MET*     5.1     7.6    -      -       +      -
      3W  ILE*     3.6    37.0    -      -       +      -
     23W  LEU*     4.5     3.6    -      -       +      +
     34W  VAL*     4.5    17.7    -      -       +      -
     40W  VAL*     3.1    15.6    +      -       +      +
     41W  ARG*     3.6     6.3    -      -       -      +
     43W  MET*     1.3    73.3    -      -       +      +
     45W  LYS*     1.3    94.8    +      -       -      +
     46W  THR      3.1     0.7    +      -       -      -
     47W  VAL*     3.1     6.8    +      -       -      +
     48W  LYS*     2.9    20.9    +      -       -      -
     51W  LEU*     4.3    11.7    -      -       +      -
     53W  VAL*     3.7    15.5    -      -       +      -
----------------------------------------------------------
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Residues in contact with LYS 45 (chain W). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
      1W  MET*     5.5     7.7    -      -       +      +
     41W  ARG*     3.0    21.7    +      -       +      +
     42W  GLY*     3.8     6.5    -      -       -      +
     44W  VAL*     1.3   114.9    -      -       -      +
     46W  THR*     1.3    64.1    -      -       -      +
     48W  LYS*     3.0    45.0    +      -       +      +
     53W  VAL*     4.2    11.2    -      -       -      +
----------------------------------------------------------
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Residues in contact with THR 46 (chain W). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     15W  ASN*     5.4     0.4    -      -       +      -
     16W  GLN*     4.8     9.2    -      -       +      +
     19W  THR*     3.5    17.3    -      -       +      +
     42W  GLY      2.9     9.4    +      -       -      -
     43W  MET      3.3     9.9    -      -       -      -
     44W  VAL      3.1     0.2    +      -       -      -
     45W  LYS*     1.3    80.2    -      -       -      +
     47W  VAL*     1.3    76.6    +      -       +      +
     48W  LYS      3.4     1.6    +      -       -      -
     49W  HIS*     4.4     9.7    +      -       -      -
    864X    C      2.8    38.9    +      -       -      +
    865X    A      4.9     1.7    +      -       -      -
     84Y    G      4.7     7.6    +      -       -      +
----------------------------------------------------------
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Residues in contact with VAL 47 (chain W). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     16W  GLN*     3.4    46.2    -      -       +      +
     19W  THR*     3.5    22.7    -      -       +      -
     20W  VAL*     4.3     7.6    -      -       +      -
     23W  LEU*     4.4     2.7    -      -       +      -
     43W  MET      3.7     5.4    -      -       -      +
     44W  VAL      3.1     1.5    +      -       -      +
     46W  THR*     1.3    89.4    -      -       +      +
     48W  LYS*     1.3    66.0    +      -       -      +
     49W  HIS*     3.4     4.3    -      -       -      -
     50W  LEU*     3.0    25.9    +      -       +      +
     51W  LEU*     3.6    25.8    +      -       +      +
----------------------------------------------------------
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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