Contacts of the helix formed by residues 303 - 317 (chain B) in PDB entry 5Y7G


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 ARG 303 (chain B).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    317A  ALA*     5.3     1.6    -      -       -      -
    276B  ASP*     2.9    36.9    +      -       -      +
    279B  GLN*     4.2    15.6    +      -       -      +
    298B  LEU*     3.0    39.0    +      -       +      +
    301B  GLY*     3.4    13.9    -      -       -      +
    302B  GLU*     1.3    74.3    -      -       -      +
    304B  PHE*     1.3    64.3    +      -       -      +
    305B  ALA      3.6     1.3    -      -       -      -
    306B  GLU*     2.9    42.8    +      -       -      +
    307B  ALA*     3.2    22.2    +      -       -      +
----------------------------------------------------------
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Residues in contact with PHE 304 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    316A  CYS*     4.7    13.5    -      -       +      -
    317A  ALA*     4.4    14.1    -      -       +      +
    299B  GLU*     3.4    30.3    -      -       +      -
    302B  GLU*     3.2    44.4    +      -       +      -
    303B  ARG*     1.3    71.7    -      -       -      +
    305B  ALA*     1.3    59.6    +      -       -      +
    307B  ALA*     2.9     4.1    +      -       -      +
    308B  HIS*     2.7    35.7    +      -       -      +
    334B  LEU*     3.7    22.1    -      -       +      +
    337B  LYS*     4.7    25.8    -      -       +      -
    338B  LEU*     3.8    20.4    -      -       +      -
----------------------------------------------------------
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Residues in contact with ALA 305 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    291A  ARG*     5.4     5.2    -      -       -      +
    313A  GLU*     3.2    42.0    -      -       +      +
    303B  ARG      3.6     0.2    -      -       -      -
    304B  PHE*     1.3    76.0    -      -       -      +
    306B  GLU*     1.3    62.5    +      -       +      +
    308B  HIS*     3.7     4.9    +      -       -      +
    309B  ALA*     2.8    28.0    +      -       -      +
    338B  LEU*     3.9    16.3    -      -       +      +
----------------------------------------------------------
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Residues in contact with GLU 306 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    283B  ARG*     6.3     0.4    -      -       -      +
    298B  LEU*     4.1    14.5    -      -       +      +
    303B  ARG*     2.9    52.2    +      -       -      +
    304B  PHE      3.2     0.4    -      -       -      -
    305B  ALA*     1.3    78.7    -      -       +      +
    307B  ALA*     1.3    56.0    +      -       -      +
    309B  ALA*     2.9     9.0    +      -       +      +
    310B  LEU*     2.7    36.0    +      -       -      +
----------------------------------------------------------
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Residues in contact with ALA 307 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    295B  ILE*     3.5    29.5    -      -       -      +
    298B  LEU*     3.8    12.4    -      -       +      +
    299B  GLU      3.7     9.4    -      -       -      +
    303B  ARG      3.2    20.7    +      -       -      +
    304B  PHE*     2.9     4.6    +      -       -      +
    306B  GLU*     1.3    76.2    -      -       -      +
    308B  HIS*     1.3    59.6    +      -       -      +
    310B  LEU*     3.4     1.1    +      -       -      +
    311B  ALA*     2.9    27.7    +      -       -      +
    334B  LEU*     3.4    19.7    -      -       +      -
----------------------------------------------------------
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Residues in contact with HIS 308 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    304B  PHE      2.7    19.5    +      -       -      +
    305B  ALA      3.7     3.6    +      -       -      +
    307B  ALA*     1.3    70.4    -      -       -      +
    309B  ALA*     1.3    69.6    +      -       -      +
    311B  ALA*     3.2     1.4    +      -       -      +
    312B  ARG*     3.0    49.9    +      -       +      +
    331B  LEU*     4.1    12.1    -      -       +      -
    334B  LEU*     3.3    20.9    -      -       +      +
    335B  GLN*     3.9    32.8    +      -       +      +
    338B  LEU*     3.8    23.0    -      -       +      +
    340B  LEU*     4.2    19.8    -      -       +      +
----------------------------------------------------------
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Residues in contact with ALA 309 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    305B  ALA      2.8    22.4    +      -       -      +
    306B  GLU*     2.9    10.7    +      -       +      +
    308B  HIS*     1.3    78.2    -      -       -      +
    310B  LEU*     1.3    61.4    +      -       -      +
    312B  ARG*     3.6     7.0    +      -       -      +
    313B  GLU*     3.3    19.2    +      -       -      +
----------------------------------------------------------
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Residues in contact with LEU 310 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    283B  ARG*     3.8    39.0    -      -       -      +
    291B  ARG*     4.1    13.9    -      -       +      +
    294B  ALA*     3.7    28.7    -      -       +      -
    295B  ILE*     3.5    28.5    -      -       +      +
    298B  LEU*     4.2     5.4    -      -       +      -
    306B  GLU      2.7    18.7    +      -       -      +
    307B  ALA*     3.8     1.6    -      -       -      +
    309B  ALA*     1.3    70.1    -      -       -      +
    311B  ALA*     1.3    61.2    +      -       -      +
    313B  GLU*     3.0    33.1    +      -       -      +
    314B  ALA*     2.8    27.9    +      -       -      +
----------------------------------------------------------
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Residues in contact with ALA 311 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    295B  ILE*     3.5    20.8    -      -       +      +
    307B  ALA      2.9    18.5    +      -       -      +
    308B  HIS*     3.2     7.2    +      -       -      +
    310B  LEU*     1.3    76.5    -      -       -      +
    312B  ARG*     1.3    60.9    +      -       -      +
    314B  ALA*     3.4     3.1    +      -       -      +
    315B  SER      3.0    17.3    +      -       -      -
    327B  LEU*     3.6    16.5    -      -       +      +
    330B  LEU*     5.1     0.4    -      -       +      -
    331B  LEU*     3.4    32.1    -      -       +      +
    334B  LEU*     4.2     4.7    -      -       +      -
----------------------------------------------------------
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Residues in contact with ARG 312 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    308B  HIS*     3.0    38.4    +      -       +      +
    309B  ALA*     3.7    11.2    -      -       -      +
    310B  LEU      3.2     0.2    -      -       -      -
    311B  ALA*     1.3    73.5    -      -       -      +
    313B  GLU*     1.3    65.9    +      -       -      +
    315B  SER*     3.0    30.2    +      -       -      +
    316B  CYS*     3.2    14.0    +      -       -      -
    331B  LEU*     4.3     8.1    -      -       -      +
    335B  GLN*     5.1    11.4    -      -       -      +
----------------------------------------------------------
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Residues in contact with GLU 313 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    283B  ARG*     4.9     6.2    +      -       -      -
    291B  ARG*     3.7    23.6    +      -       -      +
    309B  ALA      3.3    10.2    +      -       -      +
    310B  LEU*     3.0    31.7    +      -       +      +
    312B  ARG*     1.3    77.9    -      -       -      +
    314B  ALA*     1.3    61.0    +      -       -      +
    316B  CYS*     3.2    21.4    +      -       -      +
    317B  ALA*     3.7     4.3    +      -       -      +
----------------------------------------------------------
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Residues in contact with ALA 314 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    291B  ARG*     3.5    34.5    -      -       -      +
    295B  ILE*     4.1     5.4    -      -       +      -
    310B  LEU      2.8    12.0    +      -       -      +
    311B  ALA      3.6     5.4    -      -       -      +
    312B  ARG      3.2     0.2    -      -       -      -
    313B  GLU*     1.3    77.6    -      -       -      +
    315B  SER*     1.3    62.0    +      -       -      +
    316B  CYS      3.3     0.5    +      -       -      -
    317B  ALA      3.5     0.3    +      -       -      -
    318B  PRO*     3.3    28.9    -      -       -      +
    323B  GLU*     3.9     2.9    -      -       -      +
    327B  LEU*     3.4    26.9    -      -       +      -
----------------------------------------------------------
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Residues in contact with SER 315 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    311B  ALA      3.0    11.8    +      -       -      -
    312B  ARG*     3.0    27.1    +      -       -      +
    314B  ALA*     1.3    76.5    -      -       -      +
    316B  CYS*     1.4    61.3    +      -       -      +
    318B  PRO*     4.1    11.2    -      -       -      +
    327B  LEU*     3.8     7.4    -      -       -      +
    331B  LEU*     4.2    16.8    -      -       -      +
----------------------------------------------------------
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Residues in contact with CYS 316 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    312B  ARG*     3.2    18.8    +      -       -      -
    313B  GLU*     3.6    11.4    -      -       -      +
    314B  ALA      3.2     1.0    -      -       -      -
    315B  SER*     1.4    79.3    +      -       -      +
    317B  ALA*     1.3    61.8    +      -       +      +
    318B  PRO*     3.9     4.1    -      -       -      +
----------------------------------------------------------
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Residues in contact with ALA 317 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    291B  ARG*     3.0    24.7    +      -       -      +
    313B  GLU      3.7     4.8    +      -       -      +
    314B  ALA      3.5     3.0    +      -       -      -
    316B  CYS*     1.3    82.5    -      -       +      +
    318B  PRO*     1.3    66.8    -      -       -      +
----------------------------------------------------------
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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