Contacts of the helix formed by residues 1287 - 1298 (chain B) in PDB entry 1DSZ


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 CYS1287 (chain B).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1222B   ZN      2.4    35.9    -      -       -      -
   1270B  THR      4.8     2.0    -      -       -      -
   1271B  CYS*     3.8    13.0    -      -       -      -
   1272B  ARG      4.9     2.0    -      -       -      -
   1277B  CYS*     3.9    16.4    -      -       +      -
   1279B  ILE*     4.4     3.9    -      -       +      +
   1283B  GLN      4.5     1.2    +      -       -      -
   1284B  ARG      4.1     4.5    +      -       -      +
   1285B  ASN      4.6     0.2    -      -       -      -
   1286B  ARG*     1.3    79.7    -      -       +      +
   1288B  GLN*     1.3    60.7    +      -       -      +
   1289B  TYR*     3.7    10.8    -      -       -      -
   1290B  CYS*     3.4    14.5    -      -       +      +
   1291B  ARG*     3.1    27.5    +      -       -      +
----------------------------------------------------------
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Residues in contact with GLN1288 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1258B  PHE*     3.5    18.8    -      -       +      -
   1267B  LEU*     5.7     1.2    -      -       -      +
   1269B  TYR*     3.4    46.4    +      -       +      -
   1270B  THR      5.9     0.2    +      -       -      -
   1284B  ARG      5.4     0.4    -      -       -      -
   1285B  ASN*     4.6    11.0    -      -       -      +
   1286B  ARG      4.1     0.4    +      -       -      -
   1287B  CYS*     1.3    69.7    -      -       -      +
   1289B  TYR*     1.3    66.5    +      -       -      +
   1291B  ARG*     4.3     2.5    -      -       -      +
   1292B  TYR*     3.0    22.7    +      -       -      +
   1531D    C      3.9    10.5    +      -       -      -
   1532D    T      3.1    28.4    +      -       -      +
----------------------------------------------------------
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Residues in contact with TYR1289 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1269B  TYR*     3.5    34.4    -      +       +      +
   1270B  THR*     3.7     7.4    +      -       -      -
   1271B  CYS*     3.6    35.2    -      -       +      +
   1275B  LYS*     3.7    44.2    -      -       +      +
   1287B  CYS*     3.3     5.9    -      -       -      -
   1288B  GLN*     1.3    79.4    -      -       -      +
   1290B  CYS*     1.3    67.4    +      -       -      +
   1292B  TYR*     3.4     3.1    +      +       -      +
   1293B  GLN*     3.0    65.0    +      -       +      +
----------------------------------------------------------
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Residues in contact with CYS1290 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1222B   ZN      2.3    35.2    -      -       -      -
   1275B  LYS*     3.5    24.7    -      -       -      -
   1276B  ASP*     4.3     0.2    -      -       -      -
   1277B  CYS*     3.4    33.7    -      -       +      +
   1279B  ILE*     3.7    10.4    -      -       +      +
   1287B  CYS*     3.4     5.0    -      -       -      -
   1288B  GLN      3.3     0.4    -      -       -      -
   1289B  TYR*     1.3    84.1    -      -       -      +
   1291B  ARG*     1.3    65.8    +      -       -      +
   1293B  GLN*     3.9     4.7    -      -       -      +
   1294B  LYS*     3.0    23.7    +      -       -      +
----------------------------------------------------------
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Residues in contact with ARG1291 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1237B  ILE*     4.2     6.1    -      -       +      +
   1254B  GLY*     3.2    22.2    -      -       -      -
   1255B  CYS*     3.3    22.2    -      -       -      +
   1258B  PHE*     3.5    46.0    -      -       +      +
   1279B  ILE*     3.6    22.5    -      -       +      +
   1284B  ARG*     3.4    36.4    +      -       -      +
   1285B  ASN*     3.0    21.4    +      -       -      -
   1287B  CYS      3.1    17.7    +      -       -      +
   1288B  GLN*     3.7     4.3    -      -       -      +
   1289B  TYR      3.3     0.2    -      -       -      -
   1290B  CYS*     1.3    78.0    -      -       -      +
   1292B  TYR*     1.3    57.1    +      -       -      +
   1294B  LYS*     3.2     3.5    +      -       -      +
   1295B  CYS*     2.9    28.7    +      -       -      -
   1532D    T      4.6     1.8    -      -       -      -
   1533D    G      2.9    29.5    +      -       -      -
----------------------------------------------------------
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Residues in contact with TYR1292 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1258B  PHE*     3.5    15.6    -      +       +      -
   1259B  PHE*     3.6    32.5    -      +       -      -
   1262B  THR*     3.6    35.6    -      -       +      +
   1263B  VAL*     4.4     6.1    -      -       +      +
   1267B  LEU      5.7     1.8    -      -       -      -
   1269B  TYR*     4.1    10.5    -      +       +      -
   1288B  GLN      3.0    16.5    +      -       -      +
   1289B  TYR*     3.8     3.4    -      +       -      +
   1291B  ARG*     1.3    78.9    -      -       -      +
   1293B  GLN*     1.3    76.4    +      -       -      +
   1295B  CYS*     3.1     5.4    +      -       -      +
   1296B  LEU*     3.0    42.0    +      -       +      +
   1302B  ARG*     3.6    29.5    -      -       -      +
----------------------------------------------------------
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Residues in contact with GLN1293 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1289B  TYR*     3.0    61.6    +      -       +      +
   1290B  CYS*     4.1     6.1    -      -       -      +
   1292B  TYR*     1.3    96.4    -      -       -      +
   1294B  LYS*     1.3    57.3    +      -       -      +
   1296B  LEU*     3.4    18.1    +      -       -      +
   1297B  ALA*     2.9    28.5    +      -       -      +
----------------------------------------------------------
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Residues in contact with LYS1294 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1236B  ALA      3.7    14.4    +      -       -      -
   1237B  ILE*     2.9    35.3    +      -       +      +
   1278B  LEU*     6.1     1.0    -      -       -      +
   1279B  ILE*     3.4    34.7    +      -       +      +
   1290B  CYS      3.0    18.9    +      -       -      +
   1291B  ARG      3.7     3.8    -      -       -      +
   1293B  GLN*     1.3    74.3    -      -       -      +
   1295B  CYS*     1.3    67.6    +      -       -      +
   1297B  ALA*     4.2     5.8    -      -       +      -
   1298B  MET*     2.9    48.0    +      -       +      +
----------------------------------------------------------
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Residues in contact with CYS1295 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1237B  ILE*     3.7    26.9    -      -       -      +
   1255B  CYS*     4.4     8.5    -      -       -      -
   1258B  PHE*     4.3    16.6    -      -       -      -
   1259B  PHE*     3.7    29.6    -      -       +      -
   1291B  ARG*     2.9    19.7    +      -       -      -
   1292B  TYR*     3.3     8.7    -      -       -      +
   1294B  LYS*     1.3    77.8    -      -       -      +
   1296B  LEU*     1.3    60.0    +      -       -      +
   1298B  MET*     3.6     2.1    +      -       -      +
   1299B  GLY      3.4     3.6    +      -       -      -
   1300B  MET*     3.0    41.9    +      -       -      +
----------------------------------------------------------
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Residues in contact with LEU1296 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1259B  PHE*     3.8    17.9    -      -       +      -
   1292B  TYR*     3.0    47.5    +      -       +      +
   1293B  GLN*     3.6    23.6    -      -       -      +
   1295B  CYS*     1.3    79.3    -      -       -      +
   1297B  ALA*     1.3    57.0    +      -       -      +
   1299B  GLY*     3.0    20.1    +      -       -      -
   1300B  MET      3.7    20.3    +      -       -      +
   1302B  ARG*     4.2    15.9    -      -       +      -
----------------------------------------------------------
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Residues in contact with ALA1297 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1293B  GLN      2.9    18.0    +      -       -      +
   1294B  LYS*     3.2     8.0    +      -       +      +
   1296B  LEU*     1.3    76.1    -      -       -      +
   1298B  MET*     1.3    68.9    +      -       +      +
   1299B  GLY*     3.2     0.6    +      -       -      -
----------------------------------------------------------
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Residues in contact with MET1298 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1236B  ALA*     3.7    34.0    -      -       +      +
   1237B  ILE*     3.3    29.6    -      -       +      -
   1249B  VAL*     3.2    16.7    -      -       +      +
   1294B  LYS*     2.9    34.7    +      -       +      +
   1295B  CYS      4.2     0.2    -      -       -      +
   1297B  ALA*     1.3    83.1    -      -       -      +
   1299B  GLY*     1.3    56.2    +      -       -      +
----------------------------------------------------------
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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