Contacts of the helix formed by residues 2107 - 2116 (chain A) in PDB entry 6FF7


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 PRO2107 (chain A).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   2105A  ILE      4.3     0.4    -      -       -      -
   2106A  LEU*     1.3    80.1    -      -       -      +
   2108A  LYS*     1.3    61.5    +      -       -      +
   2109A  ASN*     3.5     7.7    +      -       +      +
   2110A  VAL*     4.3     7.0    +      -       +      +
   2111A  LEU*     3.7    16.8    +      -       -      +
   2142A  ILE      4.5     7.6    -      -       -      +
   2264A  SER      3.4    12.1    -      -       -      +
   2265A  ASP*     5.7     0.7    -      -       -      -
   2267A  PHE      3.9    21.5    -      -       -      +
   2268A  LEU*     5.1     0.4    -      -       -      -
   2269A  GLY*     4.4    18.4    -      -       -      +
----------------------------------------------------------
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Residues in contact with LYS2108 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   2106A  LEU      3.9     1.0    +      -       -      -
   2107A  PRO*     1.3    73.6    -      -       -      +
   2109A  ASN*     1.3    60.5    +      -       -      +
   2110A  VAL      3.5     0.2    -      -       -      -
   2111A  LEU*     3.6     9.0    -      -       +      +
   2112A  LYS*     2.9    30.8    +      -       -      +
   2263A  LEU*     5.8     7.2    -      -       +      +
   2264A  SER      4.2     4.7    +      -       -      +
   2265A  ASP*     5.4     9.8    -      -       +      +
----------------------------------------------------------
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Residues in contact with ASN2109 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   2107A  PRO*     3.5     6.0    -      -       +      +
   2108A  LYS*     1.3    74.9    -      -       -      +
   2110A  VAL*     1.3    61.1    +      -       -      +
   2112A  LYS*     3.4     4.7    +      -       -      +
   2113A  LYS*     3.0    28.9    +      -       -      +
   2268A  LEU*     6.1     3.4    -      -       +      -
   2269A  GLY      5.7     6.1    -      -       -      +
   1228r  VAL*     5.3     9.6    -      -       +      -
   1229r  ASP*     4.3    24.8    -      -       +      +
----------------------------------------------------------
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Residues in contact with VAL2110 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   2107A  PRO*     4.3     9.3    +      -       +      +
   2108A  LYS      3.5     0.2    -      -       -      -
   2109A  ASN*     1.3    75.2    -      -       -      +
   2111A  LEU*     1.3    60.0    +      -       -      +
   2113A  LYS*     3.8     5.9    -      -       -      +
   2114A  PHE*     2.9    31.0    +      -       -      +
   2143A  ARG      6.6     0.4    -      -       -      -
   2145A  ILE*     5.0    15.3    -      -       +      +
   2269A  GLY*     5.1     8.6    -      -       -      +
   2270A  PHE*     4.7    22.2    -      -       -      +
----------------------------------------------------------
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Residues in contact with LEU2111 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   2106A  LEU*     6.2     1.3    -      -       +      -
   2107A  PRO      3.7    15.2    +      -       -      +
   2108A  LYS*     3.4    13.6    +      -       +      +
   2109A  ASN      3.2     0.4    -      -       -      -
   2110A  VAL*     1.3    79.0    -      -       -      +
   2112A  LYS*     1.3    56.6    +      -       -      +
   2114A  PHE*     3.3     6.2    +      -       -      +
   2115A  ILE*     2.9    29.5    +      -       -      +
----------------------------------------------------------
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Residues in contact with LYS2112 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   2087A  THR*     4.6    20.3    -      -       -      +
   2108A  LYS      2.9    17.6    +      -       -      +
   2109A  ASN*     3.9     4.9    -      -       -      +
   2111A  LEU*     1.3    75.7    -      -       -      +
   2113A  LYS*     1.3    58.6    +      -       -      +
   2115A  ILE*     3.9     5.1    -      -       -      +
   2116A  CYS*     2.9    31.4    +      -       -      +
----------------------------------------------------------
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Residues in contact with LYS2113 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   2109A  ASN      3.0    17.9    +      -       -      +
   2110A  VAL*     4.1     6.3    -      -       -      +
   2112A  LYS*     1.3    76.2    -      -       -      +
   2114A  PHE*     1.3    61.4    +      -       -      +
   2116A  CYS*     3.8     5.6    +      -       -      +
   2117A  ILE*     3.5    21.8    +      -       -      +
   1229r  ASP*     4.9    17.5    -      -       +      +
----------------------------------------------------------
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Residues in contact with PHE2114 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   2110A  VAL      2.9    19.9    +      -       -      +
   2111A  LEU*     3.7     5.6    -      -       -      +
   2112A  LYS      3.2     0.4    -      -       -      -
   2113A  LYS*     1.3    76.3    -      -       -      +
   2115A  ILE*     1.3    62.8    +      -       -      +
   2117A  ILE*     3.5     4.5    +      -       -      +
   2118A  SER*     3.2    22.2    +      -       -      -
   2145A  ILE*     5.8     7.2    -      -       +      -
----------------------------------------------------------
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Residues in contact with ILE2115 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   2083A  LEU*     4.1    16.4    -      -       +      +
   2087A  THR*     4.1    22.0    -      -       -      +
   2111A  LEU      2.9    16.5    +      -       -      +
   2112A  LYS      4.0     3.1    -      -       -      +
   2114A  PHE*     1.3    77.3    -      -       -      +
   2116A  CYS*     1.3    57.1    +      -       -      +
   2118A  SER*     3.1    26.8    +      -       -      -
----------------------------------------------------------
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Residues in contact with CYS2116 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   2083A  LEU*     4.7    16.3    -      -       -      +
   2084A  HIS*     6.0     2.9    -      -       +      +
   2087A  THR*     5.3     2.8    -      -       -      -
   2112A  LYS      2.9    18.6    +      -       -      +
   2113A  LYS*     4.3     5.8    -      -       -      +
   2114A  PHE      3.4     0.4    -      -       -      -
   2115A  ILE*     1.3    75.5    -      -       -      +
   2117A  ILE*     1.3    58.1    +      -       -      +
   2118A  SER      3.4     1.4    -      -       -      +
   2303A  GLU*     4.8     7.4    -      -       -      +
----------------------------------------------------------
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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