Contacts of the strand formed by residues 213 - 216 (chain C) in PDB entry 2Q5E


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 THR 213 (chain C).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    103C  CYS*     3.2    12.5    +      -       -      +
    105C  VAL*     5.1     1.6    -      -       +      -
    203C  LEU*     4.0    19.1    -      -       +      -
    206C  LEU*     3.8    24.2    -      -       +      +
    208C  ARG*     3.6    16.8    +      -       -      +
    209C  ASP      3.1    18.1    +      -       -      -
    210C  LEU*     3.5     9.2    +      -       +      +
    211C  ARG      3.6     1.4    +      -       -      -
    212C  LYS*     1.3    77.5    +      -       -      +
    214C  LEU*     1.3    73.4    +      -       -      +
    229C  ASN*     2.7    30.2    +      -       -      -
    261C  VAL*     3.5    10.9    -      -       -      +
----------------------------------------------------------
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Residues in contact with LEU 214 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    102C  ILE*     4.2    14.8    -      -       +      -
    103C  CYS      3.0     7.3    +      -       -      +
    104C  VAL*     3.4    11.5    -      -       +      -
    105C  VAL*     3.0    26.5    +      -       -      +
    157C  PHE*     4.6     3.4    -      -       +      -
    213C  THR*     1.3    86.0    -      -       -      +
    215C  ILE*     1.3    62.3    +      -       -      +
    229C  ASN*     3.2    12.8    -      -       -      +
    231C  VAL*     4.1    12.1    -      -       +      -
    252C  PHE*     3.5    27.6    -      -       +      -
    255C  LEU*     3.8    20.2    -      -       +      -
    261C  VAL*     3.8    20.4    -      -       +      -
    265C  LEU*     3.7    32.1    -      -       +      -
----------------------------------------------------------
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Residues in contact with ILE 215 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    104C  VAL*     5.0     0.7    -      -       -      -
    105C  VAL*     3.4    21.3    -      -       +      +
    201C  LYS*     3.9    37.7    -      -       +      -
    203C  LEU*     4.2    20.2    -      -       +      -
    214C  LEU*     1.3    76.9    -      -       -      +
    216C  LEU*     1.3    62.5    +      -       -      +
    217C  ASP*     4.1    14.8    -      -       +      -
    222C  SER      4.5     0.9    -      -       -      +
    223C  TYR*     3.9    33.8    -      -       +      -
    226C  HIS      4.6     0.9    -      -       -      +
    229C  ASN*     3.0    16.2    +      -       +      +
    230C  ALA*     3.5    13.4    -      -       +      +
    231C  VAL*     2.9    27.3    +      -       -      +
----------------------------------------------------------
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Residues in contact with LEU 216 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    104C  VAL*     4.6     7.0    -      -       +      -
    105C  VAL      2.9    11.8    +      -       -      +
    106C  ILE*     3.6    23.4    -      -       +      -
    107C  ASP*     3.1    24.9    +      -       -      +
    111C  THR*     4.2    13.1    -      -       +      +
    112C  LEU*     5.2     0.4    -      -       +      -
    149C  PHE*     3.7    35.2    -      -       +      -
    153C  MET*     5.4     0.2    -      -       +      -
    215C  ILE*     1.3    74.3    -      -       -      +
    217C  ASP*     1.3    60.2    +      -       -      +
    231C  VAL*     3.4    20.6    -      -       +      +
    233C  VAL*     3.7    26.0    -      -       +      -
    245C  LEU*     5.4     1.6    -      -       +      -
    248C  LEU*     3.9    14.8    -      -       +      -
    252C  PHE*     4.4    15.7    -      -       +      -
----------------------------------------------------------
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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