Contacts of the helix formed by residues 349 - 363 (chain B) in PDB entry 3CUQ


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 SER 349 (chain B).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    268B  GLU*     4.0    20.5    +      -       -      -
    343B  ALA*     4.1     0.2    -      -       -      -
    348B  MET*     1.3    78.5    -      -       -      +
    350B  VAL*     1.3    66.2    +      -       -      +
    351B  LEU*     3.9     7.8    +      -       -      +
    352B  LEU*     3.2    24.3    +      -       -      +
    353B  ALA*     3.1    19.2    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with VAL 350 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    112A  LYS*     4.9    18.3    -      -       -      +
    339B  SER*     4.7     6.7    -      -       -      -
    340B  GLU*     3.8    44.6    -      -       +      +
    343B  ALA*     3.9    20.2    -      -       +      -
    348B  MET      3.7     0.2    +      -       -      -
    349B  SER*     1.3    71.7    -      -       -      +
    351B  LEU*     1.3    64.2    +      -       -      +
    353B  ALA*     3.2     3.3    +      -       -      +
    354B  LYS*     2.9    24.3    +      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with LEU 351 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    156A  THR      5.8     0.7    -      -       -      +
    173A  PRO*     3.5    38.1    -      -       +      -
    265B  SER*     3.9    28.9    -      -       -      +
    267B  THR*     5.7     4.3    -      -       +      -
    268B  GLU*     5.6     1.6    -      -       -      +
    310B  VAL*     4.0    22.7    -      -       +      -
    349B  SER*     4.1     6.9    -      -       -      +
    350B  VAL*     1.3    77.6    -      -       -      +
    352B  LEU*     1.3    72.2    +      -       +      +
    354B  LYS*     3.2    16.4    +      -       -      +
    355B  GLU*     3.3    21.1    +      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with LEU 352 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    263B  ILE*     3.7    45.5    -      -       +      +
    264B  MET*     5.5     0.7    -      -       -      -
    265B  SER*     4.4     9.4    -      -       -      +
    268B  GLU*     5.3     2.0    -      -       -      +
    306B  PHE*     4.6    13.0    -      -       +      -
    310B  VAL*     5.2     1.8    -      -       +      -
    312B  VAL*     4.1    19.5    -      -       +      -
    320B  GLU*     4.6     5.3    -      -       -      +
    348B  MET*     3.4    21.4    -      -       +      +
    349B  SER*     3.2    18.8    +      -       -      +
    351B  LEU*     1.3   103.3    -      -       +      +
    353B  ALA*     1.3    57.0    +      -       -      +
    355B  GLU*     3.5     7.0    +      -       +      +
    356B  ARG*     3.0    27.4    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with ALA 353 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    339B  SER*     3.9    16.6    -      -       -      +
    342B  PHE*     3.7    24.0    -      -       +      -
    343B  ALA*     4.0     7.9    -      -       +      -
    348B  MET*     3.9    12.1    -      -       +      +
    349B  SER      3.1    12.9    +      -       -      +
    350B  VAL      3.5     8.1    -      -       -      +
    352B  LEU*     1.3    77.0    -      -       -      +
    354B  LYS*     1.3    66.0    +      -       -      +
    356B  ARG*     3.2     5.5    +      -       -      +
    357B  LEU*     3.1    28.1    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with LYS 354 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    173A  PRO*     6.6     0.4    -      -       -      -
    219A  GLU*     5.1    13.8    +      -       -      -
    339B  SER*     3.4    26.2    +      -       -      +
    350B  VAL*     2.9    14.8    +      -       +      +
    351B  LEU*     3.5    11.0    -      -       -      +
    353B  ALA*     1.3    74.7    -      -       -      +
    355B  GLU*     1.3    68.2    +      -       -      +
    357B  LEU*     3.0     6.1    +      -       -      +
    358B  LEU*     3.0    52.7    +      -       +      +
    375B  LEU*     4.5    19.6    -      -       -      +
    377B  PHE*     5.5     2.0    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with GLU 355 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    306B  PHE*     3.9    50.8    -      -       +      +
    308B  SER*     2.8    35.9    +      -       -      -
    310B  VAL*     4.4    10.2    -      -       +      +
    320B  GLU*     5.5     2.5    -      -       +      +
    351B  LEU*     3.3    15.9    +      -       +      +
    352B  LEU*     3.7    11.0    -      -       +      +
    353B  ALA      3.3     0.4    -      -       -      -
    354B  LYS*     1.3    82.4    -      -       -      +
    356B  ARG*     1.3    64.1    +      -       -      +
    358B  LEU*     3.3    17.7    +      -       -      +
    359B  LEU*     3.0    26.1    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with ARG 356 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    261B  GLY      5.8     0.2    +      -       -      -
    263B  ILE*     4.9     3.0    -      -       -      +
    318B  HIS*     4.3     4.6    -      -       -      -
    320B  GLU*     2.6    53.7    +      -       -      +
    323B  MET*     3.5    41.8    +      -       -      +
    324B  VAL*     4.5     4.8    -      -       +      +
    326B  SER*     5.0     4.9    +      -       -      -
    327B  ALA*     4.2    18.9    -      -       +      +
    342B  PHE*     4.7    12.7    -      -       +      -
    346B  VAL*     5.1    10.1    -      -       -      +
    348B  MET*     3.4    34.0    -      -       -      +
    352B  LEU      3.0    17.2    +      -       -      +
    353B  ALA*     3.2     8.7    +      -       -      +
    355B  GLU*     1.3    78.7    -      -       -      +
    357B  LEU*     1.3    61.0    +      -       -      +
    359B  LEU*     3.5     6.5    +      -       -      +
    360B  ALA*     3.2    20.1    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with LEU 357 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    327B  ALA*     4.3     8.3    -      -       +      -
    331B  VAL*     4.1    15.9    -      -       +      -
    337B  LEU*     4.3     2.9    -      -       +      -
    338B  THR      4.3     2.2    -      -       -      +
    339B  SER*     4.0    23.1    -      -       -      +
    342B  PHE*     4.1    35.0    -      -       +      -
    353B  ALA      3.1    15.3    +      -       -      +
    354B  LYS*     3.0     4.5    +      -       -      +
    356B  ARG*     1.3    75.4    -      -       -      +
    358B  LEU*     1.3    65.2    +      -       -      +
    359B  LEU      3.0     1.8    -      -       -      -
    360B  ALA*     3.1     2.8    +      -       -      +
    361B  GLU*     3.0    22.9    +      -       -      +
    366B  LEU*     3.5    27.9    -      -       +      +
    377B  PHE*     3.5    38.6    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with LEU 358 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    308B  SER*     6.3     1.1    -      -       -      -
    354B  LYS*     3.0    44.3    +      -       +      +
    355B  GLU*     3.7    19.5    -      -       -      +
    357B  LEU*     1.3    76.3    -      -       -      +
    359B  LEU*     1.3    58.7    +      -       -      +
    361B  GLU*     3.4    12.1    -      -       -      +
    362B  LYS*     2.9    37.4    +      -       +      +
    368B  ARG*     3.4    29.2    -      -       -      +
    375B  LEU*     5.4     2.0    -      -       +      -
    377B  PHE*     4.2    12.3    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with LEU 359 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    304B  ARG*     5.9     0.7    -      -       -      +
    306B  PHE*     6.3     1.8    -      -       +      -
    320B  GLU*     3.8    34.1    -      -       +      +
    321B  GLU*     3.9    13.5    -      -       +      +
    324B  VAL*     3.7    22.2    -      -       +      -
    355B  GLU      3.0    17.4    +      -       -      +
    356B  ARG*     3.7     4.9    -      -       -      +
    357B  LEU      3.0     0.2    -      -       -      -
    358B  LEU*     1.3    78.2    -      -       -      +
    360B  ALA*     1.3    59.9    +      -       -      +
    362B  LYS*     3.2    26.5    +      -       +      +
    363B  MET*     3.0    46.7    +      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with ALA 360 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    324B  VAL*     3.7    34.5    -      -       +      +
    327B  ALA*     5.0     3.4    -      -       +      -
    328B  LEU*     5.8     0.7    -      -       +      +
    356B  ARG      3.2    11.0    +      -       -      +
    357B  LEU*     3.1     3.0    +      -       -      +
    359B  LEU*     1.3    82.1    -      -       -      +
    361B  GLU*     1.3    54.7    +      -       -      +
    363B  MET*     3.4     2.1    +      -       -      +
    364B  GLY      3.3     2.9    +      -       -      -
    365B  HIS*     2.7    36.2    +      -       +      +
    366B  LEU*     3.7    29.2    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with GLU 361 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    357B  LEU      3.0    12.1    +      -       -      +
    358B  LEU*     3.4    19.5    -      -       -      +
    360B  ALA*     1.3    73.5    -      -       -      +
    362B  LYS*     1.3    58.2    +      -       -      +
    363B  MET      3.0     1.3    -      -       -      -
    364B  GLY*     2.7    22.5    +      -       -      -
    366B  LEU*     3.4    27.0    -      -       +      +
    367B  CYS*     4.6     3.1    -      -       -      -
    368B  ARG*     2.5    55.7    +      -       -      +
    377B  PHE*     4.1    11.7    -      -       +      -
     20D  GLN*     4.3     1.6    -      -       -      +
     21D  PRO*     3.3    18.3    -      -       -      +
     22D  ASN*     3.1    19.8    +      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with LYS 362 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    307B  ASP*     3.8    20.5    +      -       -      -
    358B  LEU*     2.9    27.3    +      -       +      +
    359B  LEU*     3.2    29.8    +      -       +      +
    361B  GLU*     1.3    72.3    +      -       -      +
    363B  MET*     1.3    58.2    +      -       +      +
     22D  ASN*     3.3    17.3    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with MET 363 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    321B  GLU*     4.0    22.4    -      -       +      +
    324B  VAL*     3.8    37.2    -      -       +      -
    359B  LEU*     3.0    34.2    +      -       +      +
    360B  ALA*     3.9     5.2    -      -       -      +
    361B  GLU      3.0     1.0    -      -       -      -
    362B  LYS*     1.3    78.5    -      -       +      +
    364B  GLY*     1.3    62.6    +      -       -      +
    365B  HIS*     3.3    25.2    +      -       +      +
     22D  ASN*     4.3     0.7    -      -       -      -
----------------------------------------------------------
 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