Contacts of the helix formed by residues 669 - 684 (chain B) in PDB entry 1OH7


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 669 (chain B).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    616A  ASN*     4.5    11.2    -      -       -      +
    617A  MET*     6.5     1.3    -      -       +      -
    670B  PHE*     1.3    61.5    -      -       -      +
    671B  MET*     3.5    14.3    +      -       +      +
    672B  VAL*     3.2    35.0    +      -       +      +
    673B  GLU*     3.6    15.8    +      -       -      +
----------------------------------------------------------
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Residues in contact with PHE 670 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    616A  ASN*     3.9    23.0    +      -       +      +
    728A  HIS*     5.8     0.2    -      +       -      -
    772A  GLY*     3.9    15.5    -      -       -      -
    775A  VAL*     3.6    36.3    -      -       +      -
    669B  THR*     1.3    71.4    -      -       -      +
    671B  MET*     1.3    62.5    +      -       -      +
    673B  GLU*     3.2    13.5    +      -       -      +
    674B  MET*     3.0    54.8    +      -       +      +
    696B  GLY*     4.9     2.5    -      -       -      -
    697B  ARG      3.7    20.4    -      -       -      +
    698B  GLY*     3.5    23.5    -      -       -      +
    699B  THR*     3.4    31.9    -      -       +      -
    707B  LEU*     4.5     4.0    -      -       +      -
----------------------------------------------------------
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Residues in contact with MET 671 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    616A  ASN*     4.6     4.6    +      -       -      +
    617A  MET*     3.5    35.4    -      -       +      +
    775A  VAL*     3.7    27.8    -      -       +      +
    778A  LEU*     5.2     9.2    -      -       +      -
    779A  ALA*     3.9    21.5    -      -       +      -
    669B  THR*     3.1    14.6    -      -       +      +
    670B  PHE*     1.3    80.9    -      -       -      +
    672B  VAL*     1.3    58.9    +      -       +      +
    674B  MET*     3.2     6.5    +      -       -      +
    675B  THR*     3.0    50.8    +      -       -      +
----------------------------------------------------------
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Residues in contact with VAL 672 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    656B  ARG*     6.2     0.2    -      -       -      +
    669B  THR*     3.2    23.0    +      -       +      +
    671B  MET*     1.3    75.9    -      -       +      +
    673B  GLU*     1.3    62.1    +      -       -      +
    675B  THR*     3.8     6.5    -      -       -      -
    676B  GLU*     3.0    49.6    +      -       +      +
----------------------------------------------------------
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Residues in contact with GLU 673 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    656B  ARG*     3.4    40.5    +      -       -      +
    669B  THR      3.6     9.8    +      -       -      +
    670B  PHE*     3.2    12.6    +      -       -      +
    672B  VAL*     1.3    79.4    -      -       -      +
    674B  MET*     1.3    66.4    +      -       +      +
    676B  GLU*     3.7     1.7    +      -       -      +
    677B  THR*     2.7    36.3    +      -       -      -
    693B  ASP      3.7    10.6    -      -       -      +
    694B  GLU      3.7     6.8    -      -       -      +
    695B  ILE*     3.8    17.0    -      -       +      -
    696B  GLY      3.3    19.2    +      -       -      -
    697B  ARG*     3.4    21.2    +      -       -      +
----------------------------------------------------------
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Residues in contact with MET 674 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    775A  VAL*     5.2     0.9    -      -       +      +
    776A  ALA*     3.9    24.5    -      -       -      -
    779A  ALA*     3.9    14.8    -      -       +      -
    781A  VAL*     3.5    13.3    -      -       +      +
    670B  PHE*     3.0    56.3    +      -       +      +
    671B  MET*     3.2    10.1    +      -       -      +
    673B  GLU*     1.3   100.1    -      -       +      +
    675B  THR*     1.3    55.0    +      -       -      +
    677B  THR*     3.5     8.0    -      -       -      +
    678B  ALA*     2.8    33.6    +      -       -      +
    695B  ILE*     4.3    18.2    -      -       +      -
    696B  GLY*     4.4     4.0    -      -       -      +
    707B  LEU*     4.5    13.9    -      -       +      -
----------------------------------------------------------
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Residues in contact with THR 675 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    779A  ALA*     3.2    29.2    -      -       -      +
    671B  MET*     3.0    24.9    +      -       -      +
    672B  VAL*     3.8     7.8    -      -       -      -
    673B  GLU      3.3     0.2    -      -       -      -
    674B  MET*     1.3    75.6    -      -       -      +
    676B  GLU*     1.3    64.5    +      -       +      +
    678B  ALA*     3.4     1.9    +      -       -      +
    679B  ASN*     3.1    22.5    +      -       -      +
----------------------------------------------------------
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Residues in contact with GLU 676 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    272B  ALA*     3.5    28.7    -      -       +      +
    275B  ARG*     4.9     5.2    +      -       -      -
    276B  ASN*     4.8     4.7    +      -       -      -
    655B  THR      4.9     0.5    -      -       -      +
    656B  ARG*     3.1    43.2    +      -       +      -
    672B  VAL*     3.0    34.9    +      -       +      +
    675B  THR*     1.3    76.9    -      -       +      +
    677B  THR*     1.3    61.0    +      -       -      +
    679B  ASN*     3.2     9.4    +      -       -      +
    680B  ILE*     3.1    28.3    +      -       +      +
----------------------------------------------------------
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Residues in contact with THR 677 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    781A  VAL*     5.2     5.2    -      -       +      -
    656B  ARG*     4.3     3.5    -      -       -      +
    673B  GLU      2.7    23.5    +      -       -      -
    674B  MET*     3.5    13.6    -      -       +      +
    675B  THR      3.3     0.2    -      -       -      -
    676B  GLU*     1.3    72.8    -      -       -      +
    678B  ALA*     1.3    64.6    +      -       -      +
    680B  ILE*     3.2    11.8    +      -       -      +
    681B  LEU*     3.2    40.6    +      -       +      +
    692B  MET*     4.0    15.0    -      -       +      +
    695B  ILE*     3.6    23.6    -      -       +      +
    711B  CYS*     3.8    18.6    -      -       -      -
----------------------------------------------------------
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Residues in contact with ALA 678 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    779A  ALA      3.5    10.1    -      -       -      +
    780A  GLY      3.4    24.9    -      -       -      +
    781A  VAL*     3.4    19.5    -      -       -      +
    782A  PRO*     4.4     3.7    -      -       -      +
    674B  MET      2.8    18.8    +      -       -      +
    675B  THR      3.6     5.2    -      -       -      +
    676B  GLU      3.2     0.2    -      -       -      -
    677B  THR*     1.3    75.8    -      -       -      +
    679B  ASN*     1.3    61.3    +      -       -      +
    681B  LEU*     3.4     2.7    +      -       -      +
    682B  HIS*     3.1    31.6    +      -       +      -
----------------------------------------------------------
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Residues in contact with ASN 679 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    164B  GLU*     3.6    36.6    +      -       -      +
    270B  ASP*     4.9    15.1    -      -       -      +
    654B  PHE*     3.7    14.8    -      -       -      -
    675B  THR      3.1    12.8    +      -       -      +
    676B  GLU*     3.5    11.4    -      -       -      +
    678B  ALA*     1.3    76.0    -      -       -      +
    680B  ILE*     1.3    65.5    +      -       +      +
    682B  HIS*     3.4     1.7    +      -       -      -
    683B  ASN*     2.7    40.8    +      -       -      +
----------------------------------------------------------
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Residues in contact with ILE 680 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    654B  PHE*     3.5    33.9    -      -       +      -
    655B  THR      5.2     0.4    -      -       -      +
    656B  ARG*     3.7    32.1    -      -       +      +
    676B  GLU*     3.1    16.8    +      -       +      +
    677B  THR*     3.2     9.8    +      -       -      +
    679B  ASN*     1.3    76.6    -      -       -      +
    681B  LEU*     1.3    58.5    +      -       +      +
    684B  ALA*     3.0    36.0    +      -       +      +
    690B  VAL*     3.6    35.7    -      -       +      -
    691B  LEU      5.1     0.2    -      -       -      +
    692B  MET*     3.9    19.7    -      -       -      -
    715B  LEU*     4.2    10.8    -      -       +      -
    719B  ILE*     4.1     0.2    -      -       -      +
----------------------------------------------------------
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Residues in contact with LEU 681 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    781A  VAL*     4.5     6.5    -      -       +      -
    782A  PRO*     3.7    36.0    -      -       +      +
    785A  VAL*     4.6     3.8    -      -       +      -
    677B  THR*     3.2    36.7    +      -       +      +
    678B  ALA*     3.4     0.4    +      -       -      -
    679B  ASN      3.2     0.4    -      -       -      -
    680B  ILE*     1.3    78.3    -      -       +      +
    682B  HIS*     1.3    63.5    +      -       -      +
    683B  ASN      3.7     0.2    +      -       -      -
    684B  ALA      4.5     1.4    +      -       -      +
    692B  MET*     6.2     0.2    -      -       -      -
    711B  CYS*     4.0    16.6    -      -       -      +
    714B  ASN*     3.5    29.7    +      -       +      +
    715B  LEU*     3.8    32.8    -      -       +      -
    718B  LYS*     4.5    11.6    +      -       -      -
    719B  ILE*     3.6    15.7    -      -       -      +
----------------------------------------------------------
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Residues in contact with HIS 682 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    780A  GLY*     3.0    23.4    +      -       -      -
    782A  PRO*     3.9    28.5    -      -       +      +
    678B  ALA*     3.1    22.3    +      -       +      +
    679B  ASN*     5.1     0.9    -      -       -      -
    680B  ILE      3.4     0.2    -      -       -      -
    681B  LEU*     1.3    78.7    -      -       -      +
    683B  ASN*     1.3    73.3    +      -       -      +
    684B  ALA      3.8     1.1    -      -       -      +
    718B  LYS*     5.8     1.1    +      -       -      -
----------------------------------------------------------
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Residues in contact with ASN 683 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    162B  ASP*     4.3    14.0    -      -       -      +
    164B  GLU*     5.2    11.8    +      -       -      +
    652B  ARG*     3.1    42.9    +      -       -      +
    654B  PHE*     3.8     7.6    -      -       +      -
    679B  ASN*     2.7    46.3    +      -       -      +
    682B  HIS*     1.3    95.2    -      -       -      +
    684B  ALA*     1.3    62.8    +      -       -      +
    685B  THR*     4.0     4.0    -      -       -      +
----------------------------------------------------------
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Residues in contact with ALA 684 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    654B  PHE*     3.7    14.6    -      -       +      -
    680B  ILE*     3.0    22.1    +      -       +      +
    681B  LEU      4.5     1.8    +      -       -      +
    682B  HIS      3.8     1.2    -      -       -      +
    683B  ASN*     1.3    80.8    +      -       -      +
    685B  THR*     1.3    63.5    +      -       -      +
    688B  SER*     3.6    11.0    -      -       -      +
    690B  VAL*     4.2    12.8    -      -       +      -
    718B  LYS*     5.3     5.0    +      -       -      -
    719B  ILE*     3.6    31.3    -      -       +      +
----------------------------------------------------------
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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