Contacts of the helix formed by residues 373 - 388 (chain E) in PDB entry 6XAV


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 373 (chain E).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    372E  THR*     1.3    79.3    -      -       -      +
    374E  GLN*     1.3    61.5    +      -       -      +
    375E  GLU*     3.0    31.6    +      -       -      +
    376E  GLU*     3.3    22.0    +      -       -      +
    377E  LEU*     2.9    27.9    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with GLN 374 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    373E  THR*     1.3    74.9    -      -       -      +
    375E  GLU*     1.3    69.3    +      -       -      +
    377E  LEU*     3.4     8.0    +      -       +      +
    378E  GLN*     3.1    24.6    +      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with GLU 375 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    373E  THR*     3.0    26.7    +      -       -      +
    374E  GLN*     1.3    83.9    +      -       -      +
    376E  GLU*     1.3    59.4    +      -       -      +
    378E  GLN*     3.4    11.5    +      -       -      +
    379E  LYS*     3.1    49.1    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with GLU 376 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    144E  ARG*     3.7    14.8    +      -       -      -
    146E  ARG*     4.4    16.7    +      -       -      -
    164E  LEU*     5.4     2.3    -      -       -      +
    371E  LEU      4.8     0.2    -      -       -      +
    372E  THR*     3.5    26.1    -      -       -      +
    373E  THR*     3.3    29.7    +      -       -      +
    375E  GLU*     1.3    78.3    -      -       +      +
    377E  LEU*     1.3    65.3    +      -       -      +
    379E  LYS*     3.3     9.7    +      -       -      +
    380E  MET*     3.1    49.6    +      -       +      +
    413E  PHE*     5.3     8.9    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with LEU 377 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    368E  GLU*     3.3    38.6    -      -       +      +
    369E  GLU*     4.3    24.0    -      -       +      +
    372E  THR*     4.1    12.0    +      -       -      +
    373E  THR      2.9    17.9    +      -       -      +
    374E  GLN*     3.7     7.2    -      -       -      +
    375E  GLU      3.3     0.2    -      -       -      -
    376E  GLU*     1.3    76.3    -      -       -      +
    378E  GLN*     1.3    61.8    +      -       -      +
    380E  MET*     3.4    10.1    +      -       +      +
    381E  TRP*     3.1    21.6    +      -       +      +
    353F  ARG*     5.0     8.3    -      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with GLN 378 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    374E  GLN*     3.1    18.9    +      -       +      +
    375E  GLU*     3.7    11.6    -      -       -      +
    376E  GLU      3.2     0.2    -      -       -      -
    377E  LEU*     1.3    75.0    -      -       -      +
    379E  LYS*     1.3    60.5    +      -       +      +
    381E  TRP*     3.1    13.8    +      -       +      +
    382E  ILE*     3.0    51.9    +      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with LYS 379 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    375E  GLU*     3.1    33.8    +      -       -      +
    376E  GLU*     3.8     7.9    -      -       -      +
    378E  GLN*     1.3    77.7    -      -       +      +
    380E  MET*     1.3    58.9    +      -       -      +
    382E  ILE*     3.5    10.8    +      -       +      +
    383E  LEU*     3.0    27.7    +      -       -      +
    410E  ASP*     4.8     8.9    +      -       -      -
    413E  PHE*     3.6    53.3    -      -       +      +
    414E  GLU*     4.7     6.1    +      -       -      +
    417E  LYS*     3.7    42.4    -      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with MET 380 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    163E  ASP      3.4    24.5    -      -       -      +
    164E  LEU*     3.8    32.8    -      -       +      +
    165E  ALA      5.6     0.7    -      -       -      +
    167E  PRO*     4.3     6.3    -      -       +      -
    360E  TYR*     4.3     2.8    +      -       -      +
    368E  GLU*     4.8    11.7    -      -       -      +
    372E  THR*     4.0    16.6    -      -       +      -
    376E  GLU*     3.1    48.0    +      -       +      +
    377E  LEU*     3.8    12.3    -      -       +      +
    379E  LYS*     1.3    76.9    -      -       -      +
    381E  TRP*     1.3    59.6    +      -       -      +
    383E  LEU*     3.4     7.4    +      -       -      +
    384E  ARG*     3.0    39.9    +      -       -      +
    413E  PHE*     5.0     9.4    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with TRP 381 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    377E  LEU*     3.1    15.1    +      -       +      +
    378E  GLN*     3.1    16.6    +      -       +      +
    380E  MET*     1.3    74.2    -      -       -      +
    382E  ILE*     1.3    95.2    +      -       +      +
    384E  ARG*     3.3    10.7    +      -       +      +
    385E  LYS*     3.1    60.2    +      -       +      +
    352F  LYS      5.0     7.0    +      -       -      -
    353F  ARG*     3.8    37.8    -      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with ILE 382 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    378E  GLN*     3.0    35.7    +      -       +      +
    379E  LYS*     3.9    11.2    -      -       +      +
    380E  MET      3.4     0.2    -      -       -      -
    381E  TRP*     1.3    97.5    -      -       +      +
    383E  LEU*     1.3    61.5    +      -       -      +
    385E  LYS*     3.3    13.9    +      -       +      +
    386E  ILE*     3.3    31.4    +      -       +      +
    416E  MET*     6.6     0.2    -      -       +      -
    417E  LYS*     5.8     8.5    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with LEU 383 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    164E  LEU*     4.5    15.9    -      -       +      -
    360E  TYR*     3.3    24.9    -      -       +      +
    379E  LYS      3.0    18.3    +      -       -      +
    380E  MET*     3.7     6.5    -      -       -      +
    381E  TRP      3.2     0.2    -      -       -      -
    382E  ILE*     1.3    78.3    -      -       -      +
    384E  ARG*     1.3    56.9    +      -       -      +
    386E  ILE*     3.3     8.1    +      -       +      -
    387E  ILE*     3.0    55.4    +      -       +      +
    398E  PHE*     4.6    12.6    -      -       +      -
    399E  LEU*     5.2     9.2    -      -       +      -
    412E  PHE*     4.4    22.2    -      -       +      -
    413E  PHE*     4.4    20.0    -      -       +      -
    416E  MET*     6.2     2.2    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with ARG 384 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    164E  LEU      5.0     1.0    +      -       -      -
    165E  ALA*     3.3    29.3    +      -       -      +
    360E  TYR*     3.1    47.2    +      -       +      -
    361E  ASN*     3.9     9.4    +      -       -      +
    363E  SER      3.5    25.8    +      -       -      -
    364E  GLY*     3.9     5.8    -      -       -      -
    368E  GLU*     5.2     6.7    +      -       -      -
    380E  MET*     3.0    27.4    +      -       -      +
    381E  TRP*     3.7     8.5    -      -       +      +
    382E  ILE      3.3     0.2    -      -       -      -
    383E  LEU*     1.3    77.5    -      -       -      +
    385E  LYS*     1.3    65.9    +      -       -      +
    387E  ILE*     4.4     1.8    -      -       -      +
    388E  HIS*     2.9    35.8    +      -       +      +
    353F  ARG*     4.0    28.6    -      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with LYS 385 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    381E  TRP*     3.1    63.4    +      -       +      +
    382E  ILE*     3.3     8.2    +      -       +      +
    384E  ARG*     1.3    83.8    -      -       -      +
    386E  ILE*     1.3    60.0    +      -       +      +
    388E  HIS*     5.0    10.2    +      -       +      +
    389E  PRO*     3.1    22.6    -      -       -      +
    351F  GLU      4.4    14.5    +      -       -      -
    352F  LYS*     4.6    18.7    +      -       +      +
    353F  ARG*     6.5     0.2    -      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with ILE 386 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    382E  ILE*     3.3    31.5    +      -       +      +
    383E  LEU*     3.3     8.7    +      -       +      +
    384E  ARG      3.1     0.6    -      -       -      -
    385E  LYS*     1.3    81.9    -      -       +      +
    387E  ILE*     1.3    62.4    +      -       -      +
    388E  HIS      3.4     0.2    -      -       -      -
    389E  PRO*     3.3    10.0    -      -       -      +
    390E  MET*     3.8    26.4    -      -       +      +
    398E  PHE*     4.2    26.5    -      -       +      -
    416E  MET*     4.6    21.1    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with ILE 387 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    360E  TYR*     3.7    40.2    -      -       +      -
    361E  ASN*     3.7    16.8    +      -       -      +
    383E  LEU*     3.0    44.0    +      -       +      +
    384E  ARG      4.2     1.3    -      -       -      +
    386E  ILE*     1.3    78.1    -      -       +      +
    388E  HIS*     1.3    65.4    +      -       -      +
    390E  MET*     3.2    26.0    +      -       -      +
    395E  ALA*     3.6    29.4    -      -       +      +
    396E  MET*     6.1     0.9    -      -       +      -
    398E  PHE*     4.5    17.7    -      -       +      -
    399E  LEU*     5.1    12.6    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with HIS 388 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    361E  ASN*     3.6    33.3    +      -       +      +
    384E  ARG*     2.9    20.3    +      -       +      +
    385E  LYS*     4.9    10.0    +      -       -      +
    387E  ILE*     1.3    76.3    -      -       -      +
    389E  PRO*     1.3    73.0    -      -       +      +
    390E  MET      3.2     8.0    -      -       -      +
    351F  GLU*     5.0     8.9    +      -       -      -
----------------------------------------------------------
 Back to top of page


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