Contacts of the strand formed by residues 201 - 207 (chain A) in PDB entry 1R1H


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 ASN 201 (chain A).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    197A  LYS*     3.5    34.0    +      -       +      +
    199A  LEU      4.3     0.4    -      -       -      -
    200A  ILE*     1.3    70.4    -      -       -      +
    202A  LEU*     1.3    60.1    +      -       -      +
    203A  PHE*     3.7    20.2    -      -       -      -
    217A  HIS      3.7     0.9    -      -       -      +
    218A  ILE*     3.4     2.8    -      -       -      -
    219A  ASP*     2.6    59.0    +      -       -      +
    220A  GLN      3.4    20.1    +      -       -      +
    221A  PRO*     4.0     8.9    -      -       +      +
    222A  ARG*     5.3     5.1    -      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with LEU 202 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    191A  ASN*     2.9    31.4    +      -       -      +
    197A  LYS*     3.6     5.4    -      -       -      -
    200A  ILE      3.4     4.0    +      -       -      -
    201A  ASN*     1.3    73.7    +      -       -      +
    203A  PHE*     1.3    68.2    +      -       -      +
    204A  VAL*     4.8     0.9    -      -       +      +
    216A  ILE*     2.7    37.2    -      -       +      -
    217A  HIS      2.5    26.7    -      -       -      +
    218A  ILE*     3.2    23.3    -      -       +      +
    325A  PHE*     4.1    23.3    -      -       +      -
    326A  THR*     5.1     8.7    -      -       +      +
    329A  ILE*     4.0    28.9    -      -       +      -
    330A  MET*     5.4     2.5    -      -       -      -
    518A  GLN*     5.1     0.5    +      -       -      -
    522A  LEU*     5.4     4.4    -      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with PHE 203 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    197A  LYS*     4.4    16.2    -      -       -      +
    201A  ASN*     3.7    22.2    -      -       -      -
    202A  LEU*     1.3    79.9    -      -       -      +
    204A  VAL*     1.3    73.6    +      -       -      +
    205A  GLY*     4.0     4.7    -      -       -      -
    216A  ILE*     4.5     0.2    -      -       -      -
    217A  HIS*     2.8    73.1    +      +       +      +
    219A  ASP*     4.1    23.1    -      -       +      -
    346A  TYR*     4.0    12.6    -      +       -      -
    518A  GLN*     5.9     0.9    -      -       -      +
    521A  GLN*     6.0     2.2    -      -       +      -
    522A  LEU*     5.6     2.9    -      -       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with VAL 204 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    202A  LEU*     5.6     0.9    -      -       +      -
    203A  PHE*     1.3    79.3    -      -       -      +
    205A  GLY*     1.3    61.2    +      -       -      +
    214A  HIS*     3.8    26.7    -      -       +      -
    215A  VAL      3.6     3.8    -      -       -      +
    216A  ILE*     4.4     6.3    -      -       +      -
    330A  MET*     4.3    11.2    -      -       -      -
    521A  GLN*     2.8    48.5    +      -       -      +
    522A  LEU*     3.9    36.8    -      -       +      +
    524A  LYS      4.3     0.7    -      -       -      -
    525A  LEU*     3.9    28.9    -      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with GLY 205 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    203A  PHE*     3.6    10.8    +      -       -      -
    204A  VAL*     1.3    73.8    -      -       -      +
    206A  THR*     1.3    65.2    +      -       -      -
    214A  HIS*     3.2    11.2    -      -       -      +
    215A  VAL      2.9    33.0    +      -       -      +
    217A  HIS*     3.7     9.2    +      -       -      -
    521A  GLN*     4.3     7.2    -      -       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with THR 206 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    205A  GLY*     1.3    71.3    -      -       -      -
    207A  ASP*     1.3    73.8    +      -       -      +
    208A  ASP*     3.4     9.1    +      -       -      +
    211A  SER*     3.8    28.3    -      -       -      +
    213A  ASN      3.6     9.2    -      -       -      +
    214A  HIS*     4.0     6.8    +      -       -      -
    217A  HIS*     3.2    19.4    +      -       -      -
    529A  VAL*     4.0    16.0    -      -       +      +
    548A  GLY*     5.1    12.3    -      -       -      +
    549A  ARG*     5.8     1.4    +      -       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with ASP 207 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    205A  GLY      3.7     1.0    +      -       -      -
    206A  THR*     1.3    71.0    -      -       -      +
    208A  ASP*     1.3    66.3    +      -       -      +
    209A  LYS*     3.1     7.5    +      -       -      -
    210A  ASN*     2.9    48.1    +      -       +      +
    211A  SER*     3.6     5.7    +      -       -      -
    213A  ASN*     3.0    15.9    +      -       +      +
    215A  VAL*     3.2    32.2    -      -       +      +
    217A  HIS*     4.9     2.5    -      -       -      -
    299A  TYR*     2.6    30.6    +      -       -      -
    301A  LYS*     5.0     6.2    +      -       -      +
    344A  VAL*     5.0     2.4    -      -       -      +
----------------------------------------------------------
 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