Contacts of the helix formed by residues 291 - 302 (chain B) in PDB entry 1YSD


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 291 (chain B).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    100A  MET*     3.7    15.0    -      -       +      -
    262B  HIS*     3.5    13.0    -      -       +      -
    289B  SER      3.8     1.6    +      -       -      -
    290B  PRO*     1.3    73.6    -      -       -      +
    292B  ASP*     1.3    62.1    +      -       -      +
    293B  MET*     3.3    23.3    -      -       -      -
    294B  CYS      3.5     3.1    -      -       -      -
    295B  THR*     2.8    25.7    +      -       -      -
    314B  PHE*     4.0    18.3    -      -       +      -
    316B  SER*     3.4    12.3    -      -       -      -
    356B  ILE*     5.3     2.9    -      -       +      -
    502B   ZN      2.4    36.6    -      -       -      -
    503B   ZN      4.1     3.4    -      -       -      -
----------------------------------------------------------
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Residues in contact with ASP 292 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     96A  GLY*     3.3    23.5    -      -       -      +
     99A  ILE*     3.5    15.9    -      -       +      +
    100A  MET*     4.3     9.7    -      -       +      +
    121A  TYR*     4.3     4.8    +      -       +      -
    125A  ARG*     3.0    41.7    +      -       -      -
    291B  CYS*     1.3    76.1    -      -       -      +
    293B  MET*     1.3    57.9    +      -       -      +
    295B  THR*     3.6     7.3    -      -       -      +
    296B  GLY*     3.0    21.0    +      -       -      -
    316B  SER*     3.7    11.6    +      -       -      -
    317B  LYS*     4.1     1.0    +      -       -      +
    318B  GLY*     3.7    17.8    +      -       -      -
    321B  TYR*     6.0     0.3    -      -       -      -
----------------------------------------------------------
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Residues in contact with MET 293 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     65A  ILE*     4.7     7.9    -      -       -      -
     93A  MET*     4.1    11.6    -      -       +      +
     96A  GLY      3.4    18.7    +      -       -      +
     97A  ALA*     3.8    28.3    -      -       +      +
    100A  MET*     4.1    13.6    -      -       +      +
    101A  TYR*     5.3     2.2    -      -       -      -
    259B  ALA      5.2     0.4    -      -       -      +
    260B  THR*     3.4    38.4    -      -       -      +
    262B  HIS*     3.6    34.1    -      -       +      +
    265B  ILE*     3.9    15.9    -      -       +      -
    291B  CYS*     3.2     8.1    -      -       -      -
    292B  ASP*     1.3    78.4    -      -       -      +
    294B  CYS*     1.3    64.2    +      -       -      +
    296B  GLY*     3.1     3.5    +      -       -      -
    297B  ALA*     3.1    19.6    +      -       -      +
    502B   ZN      4.3     0.7    -      -       -      -
----------------------------------------------------------
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Residues in contact with CYS 294 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    262B  HIS*     3.6    13.7    -      -       -      -
    264B  GLU*     3.5    45.6    -      -       +      +
    265B  ILE*     3.8    18.8    -      -       -      -
    290B  PRO*     3.8     9.6    -      -       +      -
    291B  CYS*     3.5     2.0    +      -       -      +
    293B  MET*     1.3    77.2    -      -       -      +
    295B  THR*     1.3    66.1    +      -       -      +
    297B  ALA*     3.2     3.7    +      -       -      +
    298B  ILE*     3.1    26.9    +      -       -      +
    502B   ZN      2.3    34.3    -      -       -      -
----------------------------------------------------------
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Residues in contact with THR 295 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    290B  PRO*     3.5    14.0    +      -       -      +
    291B  CYS      2.8    21.7    +      -       -      -
    292B  ASP*     3.6     6.1    -      -       -      +
    294B  CYS*     1.3    75.9    -      -       -      +
    296B  GLY*     1.3    65.3    +      -       -      +
    298B  ILE*     3.2     8.8    +      -       -      +
    299B  ILE*     3.0    40.0    +      -       +      +
    318B  GLY*     3.3    40.6    +      -       -      +
    321B  TYR*     4.1    10.1    -      -       +      -
    322B  LEU*     3.6    17.9    -      -       +      -
----------------------------------------------------------
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Residues in contact with GLY 296 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     92A  ASP*     3.3    23.2    -      -       -      +
     93A  MET*     3.4     9.2    +      -       -      -
    292B  ASP      3.0    14.5    +      -       -      -
    293B  MET      3.1     5.3    +      -       -      -
    295B  THR*     1.3    77.8    -      -       -      +
    297B  ALA*     1.3    50.3    +      -       -      +
    299B  ILE*     3.3    10.6    +      -       -      +
    300B  MET*     2.8    35.7    +      -       -      +
    321B  TYR*     6.2     0.4    -      -       -      -
----------------------------------------------------------
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Residues in contact with ALA 297 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     93A  MET*     3.7    31.8    -      -       +      +
    264B  GLU*     6.2     0.7    -      -       +      -
    265B  ILE*     3.8    15.5    -      -       +      -
    268B  LEU*     3.8    22.6    -      -       +      +
    293B  MET      3.1     6.0    +      -       -      +
    294B  CYS*     3.2     9.2    +      -       -      +
    296B  GLY*     1.3    74.5    -      -       -      +
    298B  ILE*     1.3    65.8    +      -       +      +
    300B  MET*     3.3     1.5    +      -       -      +
    301B  TYR*     3.0    30.1    +      -       +      +
----------------------------------------------------------
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Residues in contact with ILE 298 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    264B  GLU*     5.5     1.1    -      -       +      -
    268B  LEU*     6.0     0.4    -      -       +      -
    284B  LEU*     3.6    27.6    -      -       +      -
    290B  PRO*     4.5     6.7    -      -       +      -
    294B  CYS      3.1    16.0    +      -       -      +
    295B  THR*     3.5     7.4    -      -       -      +
    297B  ALA*     1.3    76.5    -      -       +      +
    299B  ILE*     1.3    58.4    +      -       -      +
    301B  TYR      3.7     0.2    +      -       -      -
    302B  GLY      3.0    22.3    +      -       -      -
    303B  ILE*     3.1    47.7    +      -       +      +
    306B  CYS*     3.7    36.8    -      -       +      -
    322B  LEU*     3.9    21.1    -      -       +      -
    327B  HIS*     3.5    11.3    -      -       +      +
----------------------------------------------------------
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Residues in contact with ILE 299 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     92A  ASP*     3.5    27.9    -      -       +      +
    295B  THR*     3.0    24.1    +      -       +      +
    296B  GLY*     3.5     9.9    -      -       -      +
    298B  ILE*     1.3    73.2    -      -       -      +
    300B  MET*     1.3    66.3    +      -       -      +
    302B  GLY*     3.1    12.6    +      -       -      -
    321B  TYR*     3.5    40.2    -      -       +      +
    322B  LEU*     3.8    13.9    -      -       +      -
    325B  ARG*     3.5    27.8    -      -       +      +
    327B  HIS*     3.6    21.3    +      -       +      +
----------------------------------------------------------
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Residues in contact with MET 300 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     62A  HIS*     3.7    24.0    -      -       +      +
     91A  CYS*     3.6    26.5    -      -       +      -
     92A  ASP*     4.4     9.9    -      -       +      +
     93A  MET*     4.1    23.6    -      -       +      +
    155A  ASP      4.1     0.4    -      -       -      +
    156A  ILE*     3.8    39.8    -      -       +      +
    157A  GLY*     5.0     0.3    -      -       -      -
    280B  LYS*     5.3     0.9    +      -       -      -
    296B  GLY      2.8    21.2    +      -       -      +
    297B  ALA      3.3     2.4    +      -       -      +
    299B  ILE*     1.3    75.7    -      -       -      +
    301B  TYR*     1.3   100.5    +      -       +      +
    302B  GLY      3.3     0.3    +      -       -      -
----------------------------------------------------------
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Residues in contact with TYR 301 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     53A  ARG*     2.8    19.9    +      -       -      -
     59A  ALA*     2.5    35.7    +      -       +      +
     60A  THR*     5.4     0.4    -      -       +      -
     93A  MET*     5.3     2.7    -      -       -      -
    154A  GLU      4.3     6.1    -      -       -      -
    157A  GLY*     3.9    22.4    -      -       -      -
    268B  LEU*     4.3    20.2    -      -       +      -
    274B  LEU      5.7     0.2    -      -       -      -
    279B  TYR*     3.3    62.7    +      +       +      +
    280B  LYS*     2.8    25.2    +      -       -      +
    297B  ALA*     3.0    17.7    +      -       -      +
    300B  MET*     1.3   102.7    -      -       +      +
    302B  GLY*     1.3    62.5    +      -       -      +
    303B  ILE*     4.2     8.5    -      -       +      -
----------------------------------------------------------
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Residues in contact with GLY 302 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    279B  TYR      4.5     0.4    -      -       -      -
    280B  LYS*     3.6    23.5    -      -       -      +
    298B  ILE      3.0     7.5    +      -       -      -
    299B  ILE      3.1    12.1    +      -       -      -
    300B  MET      3.2     1.0    -      -       -      -
    301B  TYR*     1.3    78.1    -      -       -      +
    303B  ILE*     1.3    65.9    +      -       -      +
    304B  PRO*     3.0    12.0    -      -       -      +
    327B  HIS*     4.1     7.4    -      -       -      -
----------------------------------------------------------
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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