Contacts of the strand formed by residues 172 - 182 (chain A) in PDB entry 1UHG


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 MET 172 (chain A).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     41A  VAL*     6.2     0.4    -      -       +      -
    105A  LEU*     3.8    33.4    -      -       +      -
    106A  TYR      3.0    22.9    -      -       -      +
    107A  ALA*     3.9    17.0    -      -       -      -
    129A  LEU*     4.8     2.5    -      -       -      -
    134A  PHE*     4.4     0.9    -      -       -      -
    170A  THR*     4.3     0.2    -      -       -      +
    171A  ALA*     1.3    82.2    -      -       -      +
    173A  VAL*     1.3    63.2    +      -       -      +
    312A  LEU*     3.6    31.0    -      -       +      -
    315A  ILE*     4.4    10.8    -      -       +      -
    321A  LEU*     3.8    23.8    -      -       +      -
    322A  LYS      3.3    10.4    +      -       -      +
    323A  ILE*     3.5    15.6    -      -       +      -
    324A  SER*     2.8    31.6    +      -       -      -
    325A  GLN      3.7     0.5    +      -       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with VAL 173 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    104A  ARG      3.5     1.6    -      -       -      +
    105A  LEU*     3.3     6.4    -      -       -      -
    106A  TYR*     2.7    46.6    +      -       +      +
    134A  PHE*     3.8    13.7    -      -       +      -
    145A  ILE*     4.7     2.5    -      -       +      -
    161A  LEU*     4.0    30.3    -      -       +      -
    166A  VAL*     4.2    12.8    -      -       +      -
    170A  THR*     3.6    24.9    -      -       +      -
    172A  MET*     1.3    78.1    -      -       -      +
    174A  LEU*     1.3    63.9    +      -       -      +
    175A  VAL*     4.0    14.5    +      -       +      -
    325A  GLN*     3.5    20.0    -      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with LEU 174 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     37A  ALA*     4.0    36.3    -      -       +      +
     38A  LEU*     5.0    10.3    -      -       +      -
     40A  MET*     4.9     2.7    -      -       +      -
     41A  VAL*     4.5    14.8    -      -       +      -
    103A  SER*     4.8     0.7    -      -       -      +
    104A  ARG      3.5    18.4    -      -       -      +
    105A  LEU*     4.0    23.8    -      -       +      -
    172A  MET      4.4     0.2    +      -       -      -
    173A  VAL*     1.3    75.9    -      -       -      +
    175A  VAL*     1.3    66.9    +      -       -      +
    176A  ASN*     5.2     2.2    -      -       +      -
    293A  LEU*     5.0     8.1    -      -       +      -
    297A  LEU*     6.2     1.6    -      -       +      -
    323A  ILE*     4.6    10.7    -      -       +      +
    325A  GLN      3.0    13.0    +      -       -      +
    326A  ALA*     3.3    18.5    -      -       +      -
    327A  VAL*     3.0    27.9    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with VAL 175 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    102A  ALA      4.0     1.1    -      -       -      -
    103A  SER*     3.2     2.6    +      -       -      -
    104A  ARG*     2.9    47.3    +      -       +      +
    106A  TYR*     4.0    19.7    -      -       +      -
    145A  ILE*     3.7    24.2    -      -       +      -
    148A  TRP*     4.2    11.7    -      -       +      -
    149A  VAL*     4.2    14.8    -      -       +      -
    160A  VAL*     4.5     4.9    -      -       +      -
    161A  LEU*     4.3     5.2    -      -       +      -
    173A  VAL*     4.0    13.2    -      -       +      -
    174A  LEU*     1.3    79.6    -      -       -      +
    176A  ASN*     1.3    61.9    +      -       -      +
    327A  VAL*     3.8    17.9    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with ASN 176 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     33A  ALA*     3.3    33.7    +      -       -      +
     34A  ILE*     3.6     4.4    +      -       -      +
     37A  ALA*     3.7    12.8    -      -       +      +
    101A  LEU*     4.0     7.7    -      -       -      +
    102A  ALA      3.5     2.7    -      -       -      -
    103A  SER*     2.9    29.6    +      -       -      +
    160A  VAL*     6.0     1.3    -      -       -      +
    174A  LEU*     5.2     2.0    -      -       +      -
    175A  VAL*     1.3    74.7    -      -       -      +
    177A  ALA*     1.3    59.6    +      -       -      +
    293A  LEU*     4.9     6.3    -      -       +      -
    327A  VAL*     3.0    14.0    +      -       -      +
    328A  HIS*     2.9    35.1    +      -       -      +
    329A  ALA      3.1    21.3    +      -       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with ALA 177 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    100A  SER      3.8     0.3    -      -       -      +
    101A  LEU*     3.5     6.0    -      -       -      +
    102A  ALA*     2.9    38.5    +      -       +      +
    149A  VAL*     3.8    27.1    -      -       +      -
    153A  THR*     4.4     4.8    -      -       +      +
    157A  ILE*     3.7    23.3    -      -       +      -
    160A  VAL*     5.2     2.7    -      -       +      -
    176A  ASN*     1.3    76.8    -      -       -      +
    178A  ILE*     1.3    62.2    +      -       -      +
    329A  ALA*     3.2     9.4    -      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with ILE 178 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     30A  CYS*     3.6    20.4    -      -       +      -
     33A  ALA*     4.8     0.7    -      -       +      -
     99A  PHE*     3.2    55.4    -      -       +      -
    100A  SER      2.8    30.1    -      -       -      +
    101A  LEU*     3.9    10.8    -      -       +      +
    153A  THR*     5.3     0.2    -      -       -      -
    157A  ILE*     3.5     5.0    -      -       -      +
    177A  ALA*     1.3    74.9    -      -       -      +
    179A  VAL*     1.3    66.5    +      -       -      +
    328A  HIS*     4.6     4.7    -      -       +      -
    329A  ALA      2.9     5.2    +      -       -      +
    330A  ALA*     3.4    26.9    -      -       +      -
    331A  HIS      2.9    25.7    +      -       -      -
    378A  PHE*     3.7    12.8    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with VAL 179 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     98A  SER      3.7     1.1    -      -       -      +
     99A  PHE*     3.4     4.0    -      -       -      -
    100A  SER*     2.9    41.0    +      -       -      +
    153A  THR*     3.6    37.5    -      -       +      +
    154A  ASN*     5.6     0.7    -      -       -      +
    156A  ILE*     3.6    30.3    -      -       +      -
    157A  ILE*     3.7     9.2    -      -       +      -
    178A  ILE*     1.3    81.4    -      -       -      +
    180A  PHE*     1.3    64.6    +      -       -      +
    331A  HIS*     3.3    18.2    -      -       +      -
    154B  ASN*     3.9    16.8    -      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with PHE 180 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     97A  TYR*     3.9    20.9    -      +       +      -
     98A  SER      3.3    11.2    -      -       -      -
     99A  PHE*     4.2    15.3    -      +       +      -
    179A  VAL*     1.3    79.6    -      -       -      +
    181A  LYS*     1.3    67.3    +      -       -      +
    182A  GLY*     3.8    22.0    -      -       -      -
    234A  PHE*     3.8    31.6    -      +       -      -
    239A  MET*     3.8    30.3    -      -       +      -
    331A  HIS*     3.0     7.6    +      -       -      -
    332A  ALA*     3.4    31.9    -      -       +      +
    333A  GLU      3.7     4.4    +      -       -      +
    334A  ILE*     5.3     4.5    -      -       +      -
    368A  ILE*     3.8    21.3    -      -       +      -
    378A  PHE*     3.5    28.0    -      +       +      -
    154B  ASN*     5.1     0.2    -      -       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with LYS 181 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     97A  TYR*     3.3     2.6    -      -       -      +
     98A  SER*     2.9    35.4    +      -       -      +
    179A  VAL*     5.9     0.2    -      -       +      -
    180A  PHE*     1.3    80.0    -      -       -      +
    182A  GLY*     1.3    74.3    +      -       -      +
    333A  GLU*     3.1    39.2    +      -       +      +
    335A  ASN*     2.9    42.2    +      -       -      +
    337A  ALA*     4.2     3.8    +      -       -      +
    151B  SER*     2.9    51.3    +      -       -      +
    152B  GLN*     5.2     1.6    +      -       -      -
    154B  ASN*     4.0    21.3    -      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with GLY 182 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     96A  VAL      3.7     7.4    -      -       -      -
     97A  TYR*     3.7     8.3    -      -       -      -
    180A  PHE*     3.8    18.3    -      -       -      -
    181A  LYS*     1.3    97.2    +      -       -      +
    183A  LEU*     1.3    63.1    +      -       -      -
    184A  TRP*     3.9     3.6    +      -       -      -
    234A  PHE*     3.9    14.2    -      -       -      -
    333A  GLU      5.0     1.3    +      -       -      +
    334A  ILE*     6.3     0.2    -      -       -      +
    337A  ALA      4.5     1.6    -      -       -      +
    151B  SER*     4.3     2.7    -      -       -      -
    152B  GLN*     5.7     0.2    -      -       -      -
----------------------------------------------------------
 Back to top of page


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