Contacts of the strand formed by residues 1073 - 1077 (chain B) in PDB entry 6X34


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 ARG1073 (chain B).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    695B  TYR*     2.9    36.4    +      -       -      -
    827B  LYS*     4.7    13.1    -      -       -      +
    829B  TYR*     4.8    11.0    -      -       -      +
    840B  VAL      4.6     2.4    +      -       -      -
    841B  GLY*     4.3     6.4    -      -       -      -
    842B  PRO*     3.9    33.4    -      -       +      +
   1071B  ARG      4.7     2.5    -      -       -      +
   1072B  VAL*     1.3    79.7    -      -       -      +
   1074B  ILE*     1.3    59.3    +      -       -      +
   1075B  PHE*     3.8    30.5    +      -       +      -
   1193B  SER*     3.3     7.1    -      -       -      -
   1194B  LEU*     3.0    32.1    +      -       +      +
   1238B  PHE*     4.3     6.5    -      -       -      -
   1239B  SER*     3.0    35.2    +      -       -      +
   1241B  SER*     3.1    23.5    +      -       -      +
----------------------------------------------------------
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Residues in contact with ILE1074 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1072B  VAL*     4.2     2.6    +      -       +      -
   1073B  ARG*     1.3    71.2    -      -       -      +
   1075B  PHE*     1.3    62.0    +      -       -      +
   1076B  ARG      3.3     5.2    +      -       -      -
   1109B  LEU*     5.8     4.3    -      -       +      -
   1111B  PRO*     5.3    13.7    -      -       +      +
   1115B  LEU*     5.6    10.5    -      -       +      -
   1191B  VAL*     5.0     8.3    -      -       +      -
   1192B  CYS      3.4     6.3    -      -       -      +
   1193B  SER*     4.6     2.0    -      -       -      +
   1238B  PHE*     3.9     0.5    -      -       -      -
   1239B  SER*     2.9    35.1    +      -       -      +
   1605B  TRP*     4.6    11.7    -      -       +      -
----------------------------------------------------------
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Residues in contact with PHE1075 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    829B  TYR*     4.2    20.0    -      +       +      -
    839B  LEU*     3.6    48.2    -      -       +      -
    840B  VAL      4.4     4.9    -      -       -      -
   1073B  ARG*     3.8    32.5    -      -       +      -
   1074B  ILE*     1.3    69.2    -      -       -      +
   1076B  ARG*     1.3    61.5    +      -       -      +
   1190B  PRO      4.4     0.2    -      -       -      +
   1191B  VAL*     3.3     3.3    -      -       -      -
   1192B  CYS*     2.5    55.2    +      -       +      +
   1193B  SER      4.8     0.4    -      -       -      -
   1194B  LEU*     3.7    29.8    -      -       +      -
   1236B  THR*     5.7     6.3    -      -       -      -
   1237B  TRP      3.3     9.0    -      -       -      +
   1238B  PHE*     3.6    26.9    -      -       +      -
----------------------------------------------------------
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Residues in contact with ARG1076 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1074B  ILE*     3.3     4.3    +      -       +      +
   1075B  PHE*     1.3    75.3    -      -       -      +
   1077B  ALA*     1.3    65.9    +      -       -      +
   1109B  LEU*     5.0     7.4    -      -       +      -
   1190B  PRO      3.9     3.8    -      -       -      +
   1191B  VAL*     3.9    18.4    -      -       +      -
   1236B  THR*     4.1     4.3    -      -       -      -
   1237B  TRP*     2.9    29.1    +      -       -      +
   1605B  TRP*     3.6    34.1    -      -       +      -
----------------------------------------------------------
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Residues in contact with ALA1077 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1076B  ARG*     1.3    80.4    -      -       -      +
   1078B  GLU*     1.3    68.2    +      -       -      +
   1079B  LYS*     3.6     1.9    +      -       -      -
   1081B  TYR*     5.1     3.4    -      -       +      +
   1107B  PRO*     6.1     1.4    -      -       -      +
   1189B  LEU*     3.9    21.1    -      -       +      +
   1190B  PRO*     3.6    24.5    +      -       +      +
   1226B  PHE*     6.5     0.2    -      -       +      -
   1234B  VAL*     6.0     4.3    -      -       +      -
   1235B  THR      4.9     7.9    -      -       -      +
   1236B  THR*     5.1     0.4    -      -       -      +
   1237B  TRP*     3.5    13.9    -      -       -      +
   1605B  TRP*     5.6     0.9    -      -       -      -
----------------------------------------------------------
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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