Contacts of the strand formed by residues 262 - 271 (chain B) in PDB entry 3F9C


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 ILE 262 (chain B).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    143B  LYS*     2.7    29.7    +      -       -      -
    144B  TYR      3.6     7.2    -      -       -      +
    146B  LEU*     4.3    26.5    -      -       +      -
    173B  ILE*     3.7    28.5    -      -       +      -
    236B  ILE*     3.7    30.1    -      -       +      -
    237B  LEU*     4.2    13.5    -      -       +      -
    240B  ASP*     2.7    31.0    +      -       +      +
    258B  LEU*     4.8     4.5    -      -       +      +
    261B  SER*     1.3    78.3    -      -       -      +
    263B  ASP*     1.3    75.0    +      -       -      +
    264B  ARG*     3.2    16.0    +      -       -      +
    267B  ILE*     5.3     1.1    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with ASP 263 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    143B  LYS*     4.3    18.9    -      -       +      +
    144B  TYR      2.8    28.5    +      -       -      +
    145B  PRO*     4.1     3.5    -      -       +      +
    262B  ILE*     1.3    72.9    -      -       -      +
    264B  ARG*     1.3    57.6    +      -       -      +
    265B  GLU*     3.1    19.3    +      -       -      +
    266B  LYS*     3.0    64.1    +      -       +      +
    267B  ILE*     4.4     0.9    -      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with ARG 264 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    284A  SER      3.8     7.6    +      -       -      -
    285A  GLU*     3.3    24.0    +      -       -      +
    287A  GLN*     3.2    35.7    -      -       +      +
    309A  ARG      5.8     1.8    -      -       -      -
    311A  PRO*     6.1     2.0    -      -       +      -
    143B  LYS*     4.8     3.6    -      -       -      +
    237B  LEU*     2.7    63.6    +      -       +      +
    238B  ASP*     5.6     1.6    +      -       -      -
    240B  ASP*     3.4    26.2    +      -       -      +
    241B  HIS*     3.3    41.6    +      -       -      -
    262B  ILE*     3.2    14.8    +      -       +      +
    263B  ASP*     1.3    69.9    +      -       -      +
    265B  GLU*     1.3    57.3    +      -       +      +
    266B  LYS      3.5     0.2    -      -       -      -
    267B  ILE*     3.0    22.7    -      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with GLU 265 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    287A  GLN*     3.3    26.2    -      -       +      +
    290A  ARG*     3.3    33.6    +      -       -      +
    311A  PRO*     3.6    32.4    -      -       +      +
    312A  GLN*     4.3     4.2    -      -       -      +
    263B  ASP*     3.1    10.8    +      -       -      +
    264B  ARG*     1.3    78.6    -      -       -      +
    266B  LYS*     1.3    68.1    +      -       +      +
    267B  ILE*     3.6     6.0    +      -       -      -
    290B  ARG*     3.6    25.2    -      -       -      +
    396B  LEU*     4.8     1.0    -      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with LYS 266 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    145B  PRO*     3.6    17.0    -      -       +      +
    146B  LEU      2.8    26.0    +      -       -      +
    263B  ASP*     3.0    40.4    +      -       +      +
    265B  GLU*     1.3    87.6    +      -       +      +
    267B  ILE*     1.3    61.4    +      -       -      +
    396B  LEU*     3.5    33.8    +      -       +      +
    397B  GLY      3.5    24.2    +      -       -      -
    398B  LEU*     3.7    19.5    -      -       +      +
    399B  HIS*     4.8    10.7    +      -       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with ILE 267 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    287A  GLN*     6.0     0.2    -      -       +      -
    146B  LEU*     3.3    20.0    -      -       +      +
    233B  LEU*     3.7    33.7    -      -       +      -
    237B  LEU*     4.7     9.2    -      -       +      -
    262B  ILE*     5.3     0.9    -      -       +      -
    263B  ASP      4.4     3.4    -      -       -      +
    264B  ARG*     3.0    33.9    -      -       -      +
    265B  GLU      3.6     4.8    +      -       -      -
    266B  LYS*     1.3    78.7    -      -       -      +
    268B  ALA*     1.3    61.1    +      -       -      +
    288B  ARG*     3.7    19.0    +      -       +      +
    289B  PHE*     3.2    33.6    -      -       +      -
    290B  ARG*     2.7    36.4    +      -       -      +
    396B  LEU*     3.7     3.6    -      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with ALA 268 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    146B  LEU      2.9     9.9    +      -       -      +
    147B  VAL*     3.2    11.2    -      -       +      -
    148B  VAL      2.8    24.3    +      -       -      -
    266B  LYS      4.2     0.2    -      -       -      -
    267B  ILE*     1.3    75.2    -      -       -      +
    269B  VAL*     1.3    63.4    +      -       -      +
    270B  ILE*     5.0     1.3    -      -       +      -
    289B  PHE*     3.7     8.0    -      -       -      -
    291B  CYS*     3.3    20.9    -      -       -      +
    392B  LEU*     3.6    31.0    -      -       +      -
    396B  LEU*     4.2     6.7    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with VAL 269 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    148B  VAL*     3.2    13.0    -      -       +      +
    150B  SER*     5.2     1.3    -      -       -      -
    229B  CYS*     4.3    22.9    -      -       -      -
    268B  ALA*     1.3    73.9    -      -       -      +
    270B  ILE*     1.3    69.6    +      -       -      +
    279B  VAL*     3.8    27.2    -      -       +      +
    282B  THR*     4.4    10.1    -      -       +      -
    283B  LEU*     4.1    25.8    -      -       +      -
    289B  PHE*     3.7    28.5    -      -       +      -
    291B  CYS      3.2     2.6    +      -       -      +
    292B  GLY*     3.2     7.1    -      -       -      -
    293B  ILE      3.1    22.3    +      -       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with ILE 270 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    147B  VAL*     3.8    29.4    -      -       +      -
    148B  VAL      2.8     6.6    +      -       -      +
    149B  PHE*     3.2    31.5    -      -       +      -
    150B  SER*     2.8    24.3    +      -       -      -
    163B  ILE*     5.4     2.7    -      -       +      -
    167B  LEU*     4.2    15.3    -      -       +      -
    269B  VAL*     1.3    82.6    -      -       -      +
    271B  GLY*     1.3    63.3    +      -       -      +
    279B  VAL*     3.6     4.0    -      -       -      -
    293B  ILE*     3.4    44.2    -      -       +      +
    295B  LEU*     3.9    17.3    -      -       +      -
    388B  SER*     5.3     4.0    -      -       -      +
    392B  LEU*     4.2    11.9    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with GLY 271 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    149B  PHE*     4.1     7.2    -      -       -      -
    150B  SER      3.1    15.0    -      -       -      -
    270B  ILE*     1.3    81.4    -      -       -      +
    272B  HIS*     1.3    55.3    +      -       -      -
    275B  GLY      3.3    14.6    -      -       -      -
    276B  GLY*     3.5     9.0    -      -       -      -
    279B  VAL*     3.4     1.4    -      -       -      +
    293B  ILE      3.2     4.2    +      -       -      -
    294B  ALA      3.8     0.3    -      -       -      -
    295B  LEU*     2.8    32.0    +      -       -      -
----------------------------------------------------------
 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