Contacts of the strand formed by residues 1950 - 1957 (chain B) in PDB entry 2V5P


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 THR1950 (chain B).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1770B  VAL*     4.4    16.2    -      -       +      +
   1866B  PHE*     3.1    15.5    -      -       -      -
   1887B  TYR      4.2     7.0    -      -       -      -
   1888B  VAL*     3.5    25.4    -      -       +      -
   1948B  TYR      3.8     8.5    -      -       -      +
   1949B  ARG*     1.3    76.4    -      -       -      +
   1951B  SER*     1.3    61.5    +      -       -      +
   1975B  CYS      3.3     5.7    +      -       -      +
   1976B  ASP*     2.7    34.7    +      -       -      +
   1977B  VAL      3.2    19.4    +      -       -      -
----------------------------------------------------------
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Residues in contact with SER1951 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1855B  VAL*     3.3    33.3    -      -       -      +
   1866B  PHE*     3.2    25.4    +      -       -      -
   1886B  SER*     3.4     1.9    -      -       -      -
   1887B  TYR*     3.0    41.2    +      -       -      +
   1950B  THR*     1.3    78.9    -      -       -      +
   1952B  SER*     1.3    60.7    +      -       -      +
   1953B  ILE*     6.0     0.2    -      -       -      -
   1976B  ASP*     4.1     1.1    -      -       -      -
   1977B  VAL*     3.3    15.5    -      -       -      -
   1979B  PHE*     5.0     2.5    -      -       -      -
----------------------------------------------------------
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Residues in contact with SER1952 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1884B  VAL*     4.5    11.8    -      -       -      +
   1885B  LEU      3.1    13.9    -      -       -      -
   1886B  SER*     3.8    11.4    -      -       -      +
   1951B  SER*     1.3    76.0    -      -       -      +
   1953B  ILE*     1.3    61.9    +      -       -      +
   1954B  ILE*     4.1     1.7    -      -       -      +
   1976B  ASP*     4.7     4.6    +      -       -      -
   1977B  VAL      3.1     7.9    +      -       -      -
   1978B  THR*     3.3    21.0    +      -       -      +
   1979B  PHE*     2.9    25.1    +      -       -      -
----------------------------------------------------------
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Residues in contact with ILE1953 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1836B  VAL*     3.4    30.5    -      -       +      -
   1838B  VAL*     4.2     8.5    -      -       +      -
   1855B  VAL*     5.5     1.6    -      -       +      -
   1883B  VAL      3.4     3.6    -      -       -      +
   1884B  VAL*     3.4     1.4    -      -       -      -
   1885B  LEU*     2.7    68.0    +      -       +      +
   1887B  TYR*     4.8     7.4    -      -       +      +
   1952B  SER*     1.3    74.6    -      -       -      +
   1954B  ILE*     1.3    61.0    +      -       -      +
   1955B  PHE*     3.5    18.2    +      -       +      +
   1979B  PHE*     3.4    28.0    -      -       +      +
   1981B  TRP*     3.8    32.3    -      -       +      +
----------------------------------------------------------
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Residues in contact with ILE1954 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1877B  ARG*     3.4    34.8    -      -       -      +
   1882B  ALA*     4.9     4.7    -      -       +      -
   1883B  VAL      3.6     3.6    -      -       -      -
   1884B  VAL*     3.9    27.4    -      -       +      -
   1952B  SER*     4.0     2.4    +      -       -      +
   1953B  ILE*     1.3    72.3    -      -       -      +
   1955B  PHE*     1.3    66.4    +      -       -      +
   1956B  LYS*     3.4    16.1    +      -       -      +
   1969B  PHE*     4.4    24.9    -      -       +      -
   1978B  THR*     4.4    14.4    -      -       +      -
   1979B  PHE      3.0    16.9    +      -       -      +
   1980B  GLU*     4.1    19.5    -      -       +      +
   1981B  TRP      4.0     9.4    +      -       -      -
----------------------------------------------------------
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Residues in contact with PHE1955 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1817B  LEU*     4.0    31.2    -      -       +      -
   1820B  LEU*     3.6    24.5    -      -       +      -
   1838B  VAL*     3.7    28.3    -      -       +      -
   1882B  ALA*     3.4     9.9    -      -       -      +
   1883B  VAL*     2.8    42.7    +      -       +      +
   1885B  LEU*     3.8    26.5    -      -       +      -
   1953B  ILE*     3.6    11.9    -      -       +      -
   1954B  ILE*     1.3    72.4    -      -       -      +
   1956B  LYS*     1.3    59.4    +      -       -      +
   1981B  TRP*     3.4    33.4    -      +       +      -
   1983B  THR*     4.0    11.0    -      -       -      -
   1986B  VAL*     4.0    21.2    -      -       +      +
----------------------------------------------------------
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Residues in contact with LYS1956 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1877B  ARG*     5.0     3.8    -      -       -      +
   1880B  ASP*     4.0    39.1    +      -       -      +
   1881B  GLU      6.0     0.9    -      -       -      +
   1882B  ALA*     4.9    10.8    -      -       +      +
   1954B  ILE*     4.2    13.5    -      -       +      +
   1955B  PHE*     1.3    75.4    -      -       -      +
   1957B  CYS*     1.3    64.4    +      -       -      +
   1980B  GLU*     3.6    27.1    -      -       +      +
   1981B  TRP      3.0     7.8    +      -       -      +
   1982B  LYS*     3.6    24.0    -      -       +      -
   1983B  THR      3.3    26.9    +      -       -      +
   1986B  VAL*     3.4     8.5    -      -       -      +
----------------------------------------------------------
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Residues in contact with CYS1957 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1881B  GLU      6.1     1.3    -      -       -      +
   1956B  LYS*     1.3    79.4    -      -       -      +
   1958B  ASP*     1.3    67.1    +      -       -      +
   1959B  GLU*     4.5    11.2    -      -       -      -
   1982B  LYS*     4.9     5.6    -      -       -      +
   1986B  VAL*     4.5     4.3    -      -       -      +
   1987B  CYS*     2.0    50.7    -      -       -      -
----------------------------------------------------------
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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