Contacts of the helix formed by residues 34 - 45 (chain A) in PDB entry 1B0P


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 SER 34 (chain A).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     28A  TYR      5.9     0.2    -      -       -      -
     29A  PRO*     3.8    11.9    -      -       -      +
     30A  ILE      3.2    32.9    +      -       -      +
     31A  THR*     3.9     4.3    +      -       -      -
     32A  PRO*     3.4     2.7    -      -       -      -
     33A  SER*     1.3    77.9    -      -       -      +
     35A  THR*     1.3    63.3    +      -       -      +
     37A  GLY*     3.1    14.4    +      -       -      -
     38A  GLU*     3.2    25.7    +      -       -      +
    997A  THR*     4.7     3.9    +      -       -      -
   1000A  GLN*     4.4     3.2    +      -       -      -
   1013A  PHE*     5.1     0.9    -      -       -      -
   1205B  ARG*     3.9    25.7    +      -       -      -
----------------------------------------------------------
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Residues in contact with THR 35 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
      9A  ASP*     5.0     1.6    +      -       -      +
     11A  ASN*     4.0    24.4    +      -       +      -
     12A  THR*     4.9     0.2    -      -       +      -
     32A  PRO      4.7     1.0    +      -       -      -
     33A  SER      3.3     0.8    -      -       -      -
     34A  SER*     1.3    76.9    -      -       -      +
     36A  MET*     1.3    59.5    +      -       -      +
     38A  GLU*     4.1     2.4    -      -       -      +
     39A  GLU*     2.9    50.6    +      -       +      +
    178A  HIS*     4.8     6.2    +      -       -      -
   1204B  ALA      4.2     5.0    +      -       -      -
   1205B  ARG*     3.3    28.9    +      -       -      +
   1206B  PRO*     3.7    25.6    -      -       +      +
----------------------------------------------------------
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Residues in contact with MET 36 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     11A  ASN*     3.1    47.1    -      -       +      +
     14A  THR*     3.3    26.5    -      -       -      -
     15A  ALA*     4.0     8.3    -      -       +      +
     33A  SER*     3.2    17.4    +      -       -      +
     34A  SER      3.1     1.4    +      -       -      -
     35A  THR*     1.3    77.5    -      -       -      +
     37A  GLY*     1.3    57.5    +      -       -      +
     39A  GLU*     3.9     7.8    -      -       -      +
     40A  ALA*     3.3    25.6    +      -       -      +
     84A  PHE*     3.6    31.2    -      -       +      -
    110A  HIS*     3.8    19.3    -      -       -      +
    112A  THR*     3.5    19.3    -      -       +      -
    171A  PHE*     3.9     7.2    -      -       +      -
----------------------------------------------------------
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Residues in contact with GLY 37 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     27A  ILE*     4.3     8.7    -      -       -      -
     33A  SER      4.0     2.4    +      -       -      -
     34A  SER      3.1     6.5    +      -       -      -
     36A  MET*     1.3    75.0    -      -       -      +
     38A  GLU*     1.3    65.2    +      -       -      +
     39A  GLU      3.3     0.4    -      -       -      -
     40A  ALA*     3.5     2.4    +      -       -      +
     41A  ASP*     3.1    16.3    +      -       -      +
     58A  ILE*     4.7     2.3    -      -       -      +
     84A  PHE*     3.7    23.2    -      -       -      +
   1013A  PHE*     3.2    23.4    -      -       -      -
----------------------------------------------------------
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Residues in contact with GLU 38 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     34A  SER*     3.2    18.9    +      -       -      +
     35A  THR*     4.1     4.0    -      -       -      +
     37A  GLY*     1.3    75.9    -      -       -      +
     39A  GLU*     1.3    58.0    +      -       +      +
     41A  ASP*     3.2     4.5    +      -       -      +
     42A  ASP*     2.9    35.1    +      -       -      +
   1000A  GLN*     2.7    32.7    -      -       -      +
   1012A  LYS*     3.4    36.7    -      -       +      +
   1013A  PHE*     3.7    21.7    -      -       +      -
   1197B  ARG*     5.1     0.3    +      -       -      -
   1205B  ARG*     3.0    37.4    +      -       -      +
----------------------------------------------------------
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Residues in contact with GLU 39 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     11A  ASN      3.9     1.2    -      -       -      +
     12A  THR*     2.9    38.6    -      -       -      +
     15A  ALA*     3.3    22.3    -      -       -      +
     35A  THR*     2.9    42.3    +      -       +      +
     36A  MET*     3.9     2.4    -      -       -      +
     38A  GLU*     1.3    74.0    -      -       +      +
     40A  ALA*     1.3    61.4    +      -       -      +
     41A  ASP      3.0     1.6    -      -       -      -
     42A  ASP*     3.1     8.5    +      -       -      +
     43A  TRP*     2.8    58.3    +      -       +      +
   1206B  PRO*     3.8     7.6    -      -       +      +
----------------------------------------------------------
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Residues in contact with ALA 40 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     15A  ALA*     5.7     0.9    -      -       +      -
     19A  TYR*     3.5    19.3    -      -       +      -
     36A  MET      3.3    16.5    +      -       -      +
     37A  GLY      3.9     4.5    -      -       -      +
     38A  GLU      3.4     0.2    -      -       -      -
     39A  GLU*     1.3    79.5    -      -       -      +
     41A  ASP*     1.3    63.4    +      -       -      +
     43A  TRP*     3.4     5.8    +      -       +      -
     44A  ALA*     3.0    24.6    +      -       -      +
     56A  LEU*     3.8    24.0    -      -       +      -
     58A  ILE*     3.7     7.0    -      -       +      +
     84A  PHE*     4.4    14.8    -      -       +      -
----------------------------------------------------------
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Residues in contact with ASP 41 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     37A  GLY      3.1    13.8    +      -       -      +
     38A  GLU*     3.4     9.2    -      -       -      +
     39A  GLU      3.0     0.4    -      -       -      -
     40A  ALA*     1.3    79.5    -      -       -      +
     42A  ASP*     1.3    63.5    -      -       -      +
     44A  ALA*     3.2     4.7    +      -       -      +
     45A  ALA*     3.1    21.3    +      -       -      +
     58A  ILE*     3.6    30.2    -      -       +      +
   1013A  PHE*     3.8    41.2    +      -       +      +
   1015A  ALA*     4.6    12.1    +      -       -      +
----------------------------------------------------------
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Residues in contact with ASP 42 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     38A  GLU*     2.9    24.8    +      -       -      +
     39A  GLU*     3.1    11.3    +      -       -      +
     41A  ASP*     1.3    79.0    -      -       -      +
     43A  TRP*     1.3    58.9    +      -       +      +
     45A  ALA*     3.2     4.6    +      -       -      +
     46A  GLN*     2.9    42.9    +      -       -      +
   1012A  LYS*     4.1    20.3    +      -       -      -
   1015A  ALA*     4.9     7.3    -      -       -      +
   1185B  SER*     3.8    19.4    +      -       -      +
   1186B  VAL      6.1     1.0    -      -       -      -
----------------------------------------------------------
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Residues in contact with TRP 43 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     12A  THR*     4.3     9.9    -      -       -      -
     15A  ALA*     3.4    39.7    -      -       +      -
     16A  HIS*     3.7    21.8    -      +       +      -
     19A  TYR*     3.9    22.0    -      +       +      -
     39A  GLU*     2.8    48.9    +      -       +      +
     40A  ALA*     3.9     4.9    -      -       -      +
     41A  ASP      3.3     0.2    -      -       -      -
     42A  ASP*     1.3    76.4    -      -       +      +
     44A  ALA*     1.3    56.3    +      -       -      +
     46A  GLN*     3.4    30.5    +      -       -      +
     47A  GLY      3.2     3.8    +      -       -      -
     48A  ARG*     2.7    79.5    +      -       +      +
----------------------------------------------------------
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Residues in contact with ALA 44 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     19A  TYR*     3.4    18.1    +      -       +      +
     40A  ALA      3.0    18.0    +      -       -      +
     41A  ASP*     3.5     4.0    -      -       -      +
     42A  ASP      3.2     0.2    -      -       -      -
     43A  TRP*     1.3    77.7    -      -       -      +
     45A  ALA*     1.3    61.2    +      -       -      +
     47A  GLY*     3.4     9.9    +      -       -      -
     55A  THR*     4.1    12.7    +      -       -      +
     56A  LEU      3.9    11.0    -      -       -      +
     58A  ILE*     3.5    22.7    -      -       +      -
   1183B  ASP*     4.1     4.0    -      -       -      +
----------------------------------------------------------
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Residues in contact with ALA 45 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     41A  ASP*     3.1    12.6    +      -       -      +
     42A  ASP      3.6     4.0    -      -       -      +
     44A  ALA*     1.3    74.9    -      -       -      +
     46A  GLN*     1.4    56.4    +      -       -      +
     47A  GLY      3.1     4.9    -      -       -      -
   1182B  ALA      5.2     2.7    -      -       -      +
   1183B  ASP*     3.0    16.3    -      -       -      +
   1184B  GLY*     2.9    33.0    +      -       -      +
   1185B  SER*     3.3    38.1    -      -       -      +
----------------------------------------------------------
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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