Contacts of the helix formed by residues 366 - 379 (chain A) in PDB entry 5I4V


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 ASP 366 (chain A).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    364A  GLY      3.8     0.4    +      -       -      -
    365A  LEU*     1.3    73.9    -      -       -      +
    367A  ASP*     1.3    66.2    +      -       -      +
    368A  ALA*     2.9    16.2    +      -       -      +
    369A  GLU*     2.8    28.3    +      -       -      +
    370A  TYR*     3.1    22.2    +      -       -      -
    406A  TYR*     2.4    28.5    +      -       -      -
    410A  LYS*     2.9    27.1    +      -       -      +
    417A  ARG*     4.6     0.2    -      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with ASP 367 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    232A  VAL*     4.1    19.8    -      -       +      +
    235A  GLN*     4.1     0.2    -      -       -      +
    236A  LEU*     5.6     7.9    -      -       -      +
    318A  ARG*     3.3    35.0    +      -       -      +
    366A  ASP*     1.3    76.6    -      -       -      +
    368A  ALA*     1.3    58.0    +      -       -      +
    370A  TYR*     3.5     1.8    +      -       -      -
    371A  ALA*     3.0    28.9    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with ALA 368 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    228A  ILE*     3.6    25.5    -      -       +      +
    232A  VAL*     3.6    16.5    -      -       +      +
    366A  ASP*     2.9     9.2    +      -       -      +
    367A  ASP*     1.3    77.2    -      -       -      +
    369A  GLU*     1.3    64.1    +      -       -      +
    371A  ALA*     3.5     1.7    +      -       -      +
    372A  LEU*     3.0    30.2    +      -       -      +
    406A  TYR*     3.6    23.8    -      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with GLU 369 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    365A  LEU*     3.4    10.2    -      -       +      -
    366A  ASP*     2.8    43.1    +      -       -      +
    368A  ALA*     1.3    75.8    -      -       -      +
    370A  TYR*     1.3    63.4    +      -       -      +
    372A  LEU*     3.3     3.0    +      -       -      +
    373A  LEU*     3.0    24.6    +      -       -      +
    403A  LEU*     4.2     7.0    -      -       +      -
    406A  TYR*     3.7    15.5    -      -       +      -
    407A  THR*     3.2    21.8    -      -       +      +
    410A  LYS*     3.5    15.9    -      -       -      +
    417A  ARG*     2.7    42.1    +      -       -      -
    421A  MET*     3.7    19.3    -      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with TYR 370 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    314A  LEU*     3.8    38.8    -      -       +      -
    317A  ALA      4.3     1.2    +      -       -      -
    318A  ARG*     3.6    57.6    +      -       +      +
    360A  MET*     3.3    38.4    +      -       +      +
    361A  ARG*     5.7     0.2    -      -       -      -
    365A  LEU*     3.4    37.7    -      -       +      +
    366A  ASP      3.1    21.4    +      -       -      -
    367A  ASP*     3.7     6.7    -      -       -      +
    369A  GLU*     1.3    77.4    -      -       -      +
    371A  ALA*     1.3    63.5    +      -       -      +
    373A  LEU*     3.1     7.5    +      -       +      +
    374A  ILE*     3.0    29.9    +      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with ALA 371 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    228A  ILE*     6.2     0.2    -      -       +      -
    231A  LEU*     3.9    33.7    -      -       +      +
    232A  VAL*     4.3     5.6    -      -       +      +
    235A  GLN*     3.5    27.3    +      -       +      +
    285A  PHE*     4.4     4.3    -      -       +      -
    367A  ASP      3.0    16.6    +      -       -      +
    368A  ALA      3.8     4.3    -      -       -      +
    370A  TYR*     1.3    75.3    -      -       -      +
    372A  LEU*     1.3    63.1    +      -       -      +
    374A  ILE*     3.2     7.5    +      -       -      +
    375A  ALA*     3.0    21.7    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with LEU 372 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    227A  MET*     4.4     1.1    -      -       +      -
    228A  ILE*     3.9    31.9    -      -       +      -
    231A  LEU*     3.9    20.2    -      -       +      -
    368A  ALA      3.0    21.9    +      -       -      +
    369A  GLU      3.6     4.5    -      -       -      +
    371A  ALA*     1.3    75.9    -      -       -      +
    373A  LEU*     1.3    58.8    +      -       -      +
    375A  ALA*     3.2     3.6    +      -       -      +
    376A  ILE*     3.0    34.3    +      -       -      +
    399A  TYR*     3.8    30.7    -      -       +      +
    402A  ALA*     4.2     9.9    -      -       +      +
    403A  LEU*     3.7    41.3    -      -       +      +
    406A  TYR*     4.4     4.9    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with LEU 373 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    314A  LEU*     4.5    17.3    -      -       +      -
    360A  MET*     4.3    24.5    -      -       +      -
    365A  LEU*     4.3     5.2    -      -       +      -
    369A  GLU      3.0    15.0    +      -       -      +
    370A  TYR*     3.1     5.8    +      -       +      +
    372A  LEU*     1.3    74.5    -      -       -      +
    374A  ILE*     1.3    66.6    +      -       -      +
    376A  ILE*     3.4     8.6    +      -       +      +
    377A  ASN*     3.0    25.0    +      -       -      +
    403A  LEU*     4.4    15.5    -      -       +      -
    421A  MET*     4.0    39.7    -      -       +      +
    422A  LEU*     4.9     1.8    -      -       +      -
    424A  LYS*     4.9     2.9    -      -       +      -
    425A  LEU*     3.8    32.1    -      -       +      -
    428A  LEU*     6.1     0.4    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with ILE 374 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    235A  GLN*     3.6    13.5    -      -       -      +
    285A  PHE*     3.6    27.6    -      -       +      -
    311A  ILE*     4.1    33.3    -      -       +      +
    314A  LEU*     3.9    23.6    -      -       +      -
    315A  GLU*     3.2    30.1    -      -       +      +
    318A  ARG*     4.2     2.9    -      -       -      +
    370A  TYR*     3.0    24.9    +      -       +      +
    371A  ALA      3.4     6.3    -      -       -      +
    373A  LEU*     1.3    76.9    -      -       -      +
    375A  ALA*     1.3    62.4    +      -       -      +
    377A  ASN*     3.3     7.8    +      -       -      +
    378A  ILE*     3.1    23.5    +      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with ALA 375 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    231A  LEU*     4.2    11.0    -      -       +      -
    285A  PHE*     4.8     2.0    -      -       +      -
    289A  VAL*     4.3    16.8    -      -       +      -
    371A  ALA      3.0    11.8    +      -       -      +
    372A  LEU      3.2     8.5    +      -       -      +
    374A  ILE*     1.3    77.4    -      -       -      +
    376A  ILE*     1.3    62.6    +      -       -      +
    378A  ILE*     3.2    13.6    +      -       -      +
    379A  PHE*     3.2    29.5    +      -       -      -
    399A  TYR*     4.0    26.5    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with ILE 376 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    372A  LEU      3.0    22.2    +      -       -      +
    373A  LEU*     3.6     9.2    -      -       +      +
    374A  ILE      3.3     0.2    -      -       -      -
    375A  ALA*     1.3    75.4    -      -       -      +
    377A  ASN*     1.3    62.9    +      -       -      +
    379A  PHE*     3.1    11.5    +      -       -      -
    380A  SER*     3.7     0.9    +      -       -      -
    396A  GLN*     3.0    44.4    -      -       -      +
    399A  TYR*     3.6    38.8    -      -       +      +
    400A  VAL*     4.0    16.8    -      -       +      -
    403A  LEU*     3.7    27.1    -      -       +      -
    422A  LEU*     5.0     4.7    -      -       +      -
    425A  LEU*     3.9    23.8    -      -       +      -
    491B  LEU*     4.8     2.2    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with ASN 377 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    307A  SER*     3.4    15.4    -      -       -      +
    310A  GLU*     2.7    36.2    +      -       -      +
    311A  ILE*     4.1     6.3    -      -       +      +
    314A  LEU*     5.1     3.4    -      -       +      -
    373A  LEU      3.0    17.3    +      -       -      +
    374A  ILE*     3.4     9.2    -      -       -      +
    376A  ILE*     1.3    76.4    -      -       -      +
    378A  ILE*     1.3    58.9    +      -       -      +
    380A  SER*     2.5    23.7    +      -       -      -
    383A  ARG*     3.2    14.0    +      -       -      +
    425A  LEU*     3.6    27.3    -      -       +      +
    428A  LEU*     3.7    15.3    -      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with ILE 378 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    282A  ILE*     5.7     2.0    -      -       +      -
    285A  PHE*     4.5    13.9    -      -       +      -
    286A  ALA*     4.6    16.2    -      -       +      -
    289A  VAL*     4.8     5.2    -      -       +      -
    292A  PHE*     4.1    26.9    -      -       +      -
    303A  LEU*     3.4    29.1    -      -       +      +
    304A  LEU*     4.7     5.6    -      -       +      -
    307A  SER*     4.1    10.5    -      -       -      +
    311A  ILE*     3.7    25.6    -      -       +      -
    374A  ILE*     3.1    26.2    +      -       +      +
    375A  ALA*     3.4    11.4    -      -       -      +
    376A  ILE      3.2     0.2    -      -       -      -
    377A  ASN*     1.3    78.0    -      -       -      +
    379A  PHE*     1.3    71.4    +      -       +      +
    380A  SER*     2.9     7.3    +      -       -      +
    383A  ARG*     5.1     1.2    +      -       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with PHE 379 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    289A  VAL*     3.8    23.6    -      -       +      -
    290A  PRO      4.4     2.7    -      -       -      -
    292A  PHE*     4.0    39.9    -      +       +      -
    295A  LEU*     4.3     2.5    -      -       +      -
    303A  LEU*     4.4     4.7    -      -       +      -
    375A  ALA      3.2    18.1    +      -       -      +
    376A  ILE      3.1     7.5    +      -       -      -
    378A  ILE*     1.3    81.5    -      -       +      +
    380A  SER*     1.3    58.4    +      -       -      +
    381A  ALA      3.8     1.0    +      -       -      -
    392A  VAL*     3.4    23.8    -      -       +      +
    393A  GLU*     5.0     0.5    -      -       -      -
    395A  LEU*     3.9    35.0    -      -       +      -
    396A  GLN*     2.9    38.9    -      -       +      +
    399A  TYR*     3.6    37.0    -      +       -      -
----------------------------------------------------------
 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