Contacts of the strand formed by residues 372 - 377 (chain A) in PDB entry 1ML0


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 GLN 372 (chain A).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     16A  VAL*     3.7     5.9    -      -       -      +
    211A  LEU*     3.5     8.1    -      -       +      -
    248A  THR*     2.9    35.8    +      -       -      +
    253A  PRO*     3.5    27.4    -      -       +      +
    255A  GLN*     3.4    32.1    +      -       -      +
    257A  ALA*     4.8     1.6    -      -       -      +
    284A  LEU*     5.6     0.4    -      -       -      +
    367A  LEU      3.6     2.3    -      -       -      +
    368A  MET*     3.6     1.2    -      -       -      -
    369A  LEU*     2.7    55.5    +      -       +      +
    370A  GLU      4.3     1.9    +      -       -      +
    371A  GLY*     1.3    85.1    -      -       -      +
    373A  GLN*     1.3    62.4    +      -       -      +
    374A  TYR*     3.1    25.6    +      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with GLN 373 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     16A  VAL*     4.5     4.3    -      -       +      -
     68A  VAL*     4.6     2.1    -      -       -      +
     70A  ASN*     3.2    22.8    +      -       -      +
     92A  PRO*     2.9    28.9    +      -       -      +
     93A  PHE      4.4     1.0    +      -       -      -
     94A  PRO*     3.9    15.6    -      -       +      +
    194A  TRP*     3.2    19.3    +      -       -      -
    211A  LEU      3.0     7.1    +      -       -      +
    212A  SER*     3.3    21.0    +      -       -      +
    213A  ALA      2.8    27.6    +      -       -      +
    366A  SER*     5.6     1.1    -      -       -      -
    367A  LEU      3.3     4.7    -      -       -      +
    368A  MET*     3.7    23.2    -      -       +      +
    372A  GLN*     1.3    76.8    -      -       -      +
    374A  TYR*     1.3    75.3    +      -       -      +
    375A  ARG*     5.1     2.9    -      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with TYR 374 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    211A  LEU*     3.7    15.5    -      -       +      +
    213A  ALA*     3.4    27.4    -      -       +      -
    215A  SER*     6.4     1.1    -      -       -      -
    247A  LEU*     3.5    55.5    +      -       +      -
    249A  PRO*     3.6    13.4    -      -       +      +
    257A  ALA*     4.4    11.2    -      -       +      -
    365A  VAL      3.7     1.0    -      -       -      +
    366A  SER*     3.1     7.9    -      -       -      -
    367A  LEU*     3.0    45.3    +      -       +      +
    369A  LEU*     5.3     1.1    -      -       +      -
    372A  GLN*     3.1    41.7    +      -       +      -
    373A  GLN*     1.3    88.2    -      -       -      +
    375A  ARG*     1.3    60.0    +      -       -      +
    376A  LEU*     3.7    18.2    +      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with ARG 375 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     93A  PHE*     2.9    24.6    +      -       -      +
     94A  PRO*     3.2    22.9    -      -       +      +
     95A  SER*     3.2    23.1    +      -       -      -
     96A  VAL*     3.3    18.6    -      -       -      +
    164A  ASP*     3.1    37.1    +      -       -      -
    165A  VAL*     3.6    15.6    -      -       -      +
    213A  ALA      2.8    17.2    +      -       -      +
    214A  ARG*     3.9    21.3    -      -       +      +
    215A  SER      2.7    31.8    +      -       -      +
    365A  VAL      3.9     2.2    -      -       -      -
    366A  SER*     4.0     3.1    -      -       -      +
    373A  GLN*     5.1     2.9    -      -       -      +
    374A  TYR*     1.3    72.1    -      -       -      +
    376A  LEU*     1.3    59.9    +      -       -      +
    377A  GLU*     3.2    29.5    +      -       +      +
    379A  PHE*     5.6     0.4    -      -       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with LEU 376 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    215A  SER*     3.4     9.4    -      -       -      +
    217A  VAL*     3.9    17.5    -      -       +      -
    247A  LEU*     4.5    17.0    -      -       +      -
    259A  MET*     4.1    22.2    -      -       +      -
    260A  ASN      6.1     0.2    -      -       -      +
    281A  LEU      4.5     2.2    -      -       -      +
    282A  ALA*     4.5    16.2    -      -       +      -
    364A  GLY*     3.0    25.3    -      -       -      -
    365A  VAL*     2.8    38.6    +      -       +      +
    367A  LEU*     5.9     3.6    -      -       +      +
    374A  TYR*     4.0    24.7    -      -       +      +
    375A  ARG*     1.3    77.9    -      -       -      +
    377A  GLU*     1.3    60.9    +      -       -      +
    378A  TYR*     3.9    12.1    -      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with GLU 377 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     96A  VAL*     3.6    11.1    -      -       -      +
    214A  ARG*     2.7    43.4    +      -       +      +
    215A  SER      2.8    14.9    +      -       -      +
    216A  PRO*     3.5     6.9    -      -       +      +
    217A  VAL*     2.7    32.8    +      -       -      +
    218A  CYS      3.8     0.9    +      -       -      -
    363A  VAL      3.7     4.4    -      -       -      +
    364A  GLY*     5.5     1.6    -      -       -      -
    375A  ARG*     3.2    35.5    +      -       +      +
    376A  LEU*     1.3    77.2    -      -       -      +
    378A  TYR*     1.3    59.5    +      -       -      +
    379A  PHE*     3.0    41.2    +      -       +      +
    382A  HIS*     4.4     4.3    -      -       -      +
----------------------------------------------------------
 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