Contacts of the helix formed by residues 313 - 332 (chain C) in PDB entry 4KYI


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 ALA 313 (chain C).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    312C  GLU*     1.3    74.6    -      -       -      +
    314C  GLY*     1.3    55.6    +      -       -      +
    315C  THR*     4.0    15.7    -      -       +      +
    316C  ALA*     2.9    12.2    +      -       +      +
    317C  PHE*     2.5    35.2    +      -       -      +
    376C  THR*     3.4     6.9    +      -       -      -
    377C  GLY      5.4     0.2    -      -       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with GLY 314 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    312C  GLU      3.7     1.4    +      -       -      -
    313C  ALA*     1.3    71.4    -      -       -      +
    315C  THR*     1.3    61.5    +      -       -      +
    317C  PHE*     4.1     1.8    -      -       -      -
    318C  GLU*     3.1    38.1    +      -       -      +
    375C  ASN*     3.4    24.6    +      -       -      -
    376C  THR*     4.1     2.2    +      -       -      -
    377C  GLY*     4.4    10.2    +      -       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with THR 315 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    313C  ALA*     4.0    10.3    -      -       +      +
    314C  GLY*     1.3    76.1    -      -       -      +
    316C  ALA*     1.3    62.3    +      -       -      +
    318C  GLU*     4.7     4.1    -      -       -      +
    319C  ASP*     3.1    27.0    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with ALA 316 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    312C  GLU*     3.8    14.3    -      -       +      +
    313C  ALA*     2.9    22.7    +      -       +      +
    315C  THR*     1.3    80.5    +      -       -      +
    317C  PHE*     1.3    66.0    +      -       -      +
    319C  ASP*     4.0     5.4    -      -       -      +
    320C  ARG*     3.4    20.3    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with PHE 317 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    312C  GLU*     3.8     7.2    +      -       +      +
    313C  ALA      2.5    20.1    +      -       -      +
    314C  GLY      3.3     4.2    +      -       -      +
    316C  ALA*     1.3    71.7    -      -       -      +
    318C  GLU*     1.3    73.1    +      -       +      +
    320C  ARG*     3.3    34.4    +      -       -      +
    321C  VAL*     3.3    34.8    +      -       +      +
    373C  TYR*     3.4    25.1    -      -       +      -
    374C  ILE      4.4     1.3    -      -       -      -
    375C  ASN*     3.2    51.4    -      -       +      -
    397C  ASN*     4.9     2.9    -      -       -      -
    401C  GLN*     3.2    31.2    -      -       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with GLU 318 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    314C  GLY*     3.1    20.3    +      -       -      +
    315C  THR*     4.7     4.0    -      -       -      +
    317C  PHE*     1.3    85.3    -      -       +      +
    319C  ASP*     1.3    57.7    +      -       -      +
    321C  VAL*     3.2     5.3    +      -       -      +
    322C  ASN*     2.8    53.7    +      -       -      +
    375C  ASN*     4.9     6.0    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with ASP 319 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    315C  THR      3.1    20.3    +      -       -      +
    316C  ALA*     4.0     7.4    -      -       -      +
    317C  PHE      3.3     0.8    -      -       -      -
    318C  GLU*     1.3    78.7    -      -       -      +
    320C  ARG*     1.3    58.7    +      -       -      +
    322C  ASN*     4.2     7.7    -      -       -      +
    323C  LYS*     3.2    36.9    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with ARG 320 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    312C  GLU*     2.2    38.8    +      -       -      +
    316C  ALA      3.4     8.5    +      -       -      +
    317C  PHE*     3.3    30.4    +      -       -      +
    318C  GLU      3.1     0.2    -      -       -      -
    319C  ASP*     1.3    78.9    -      -       -      +
    321C  VAL*     1.3    79.3    +      -       -      +
    323C  LYS*     3.6    16.9    +      -       -      +
    324C  ALA*     3.4    18.5    +      -       -      +
    373C  TYR*     3.2    54.3    -      -       -      +
    401C  GLN*     5.1     2.8    -      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with VAL 321 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    317C  PHE*     3.3    32.1    -      -       +      +
    318C  GLU*     3.2     7.3    +      -       -      +
    320C  ARG*     1.3    96.1    -      -       -      +
    322C  ASN*     1.3    69.2    +      -       -      +
    324C  ALA*     2.9    17.4    +      -       +      +
    325C  LYS*     3.0    45.3    +      -       +      +
    401C  GLN*     5.4     3.1    -      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with ASN 322 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    318C  GLU*     2.8    45.3    +      -       -      +
    319C  ASP*     4.1     8.4    -      -       -      +
    321C  VAL*     1.3    75.5    -      -       -      +
    323C  LYS*     1.3    58.9    +      -       +      +
    325C  LYS*     3.7     5.5    +      -       -      +
    326C  GLN*     3.1    31.2    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with LYS 323 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    319C  ASP*     3.2    30.5    +      -       -      +
    320C  ARG*     3.9    16.6    +      -       -      +
    321C  VAL      3.2     0.6    -      -       -      -
    322C  ASN*     1.3    75.1    -      -       +      +
    324C  ALA*     1.3    55.5    +      -       -      +
    326C  GLN*     3.5    13.9    -      -       -      +
    327C  SER*     2.7    35.6    +      -       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with ALA 324 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    320C  ARG      3.4    11.2    +      -       -      +
    321C  VAL*     2.9    12.2    +      -       -      +
    323C  LYS*     1.3    77.5    -      -       -      +
    325C  LYS*     1.3    72.5    +      -       +      +
    327C  SER*     3.1    16.3    +      -       -      -
    328C  ALA*     3.2    14.2    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with LYS 325 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    321C  VAL*     3.0    42.3    +      -       +      +
    322C  ASN*     4.1     6.1    -      -       -      +
    324C  ALA*     1.3    82.3    -      -       +      +
    326C  GLN*     1.3    58.2    +      -       -      +
    328C  ALA*     3.6     5.1    +      -       -      +
    329C  MET*     3.1    30.1    +      -       +      +
    404C  GLN*     4.9    12.1    -      -       -      +
    557C  LYS*     5.7     0.3    +      -       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with GLN 326 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    322C  ASN*     3.1    22.4    +      -       -      +
    323C  LYS*     3.6    12.7    -      -       -      +
    324C  ALA      3.2     0.2    -      -       -      -
    325C  LYS*     1.3    75.1    -      -       -      +
    327C  SER*     1.3    65.9    +      -       -      +
    329C  MET*     3.2    22.3    +      -       +      +
    330C  GLU*     3.1    45.0    +      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with SER 327 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    323C  LYS      2.7    20.7    +      -       -      -
    324C  ALA*     3.3    11.2    -      -       -      -
    326C  GLN*     1.3    74.8    -      -       -      +
    328C  ALA*     1.3    61.3    +      -       -      +
    330C  GLU*     3.1    20.1    +      -       -      +
    331C  ALA*     3.4    10.4    +      -       -      +
    361C  ARG*     4.4    18.7    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with ALA 328 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    324C  ALA      3.2    11.3    +      -       -      +
    325C  LYS*     4.1     5.2    -      -       -      +
    327C  SER*     1.3    79.0    +      -       -      +
    329C  MET*     1.3    61.0    +      -       -      +
    331C  ALA*     3.4    17.6    +      -       -      +
    332C  ILE*     3.6    20.2    -      -       -      +
    543C  GLU*     4.0    27.4    -      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with MET 329 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    325C  LYS*     3.1    16.7    +      -       +      +
    326C  GLN*     3.4    29.4    -      -       +      +
    327C  SER      3.1     0.2    -      -       -      -
    328C  ALA*     1.3    79.3    -      -       -      +
    330C  GLU*     1.3    60.3    +      -       +      +
    332C  ILE*     3.9     7.1    +      -       -      +
    333C  SER*     3.5    18.0    +      -       -      -
    557C  LYS*     3.8    32.8    -      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with GLU 330 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    326C  GLN*     3.3    37.4    +      -       +      +
    327C  SER*     3.1    10.6    +      -       -      +
    329C  MET*     1.3    78.3    -      -       +      +
    331C  ALA*     1.3    63.0    +      -       -      +
    332C  ILE      3.1     2.5    -      -       -      -
    333C  SER*     3.9     8.3    -      -       -      -
    334C  TRP*     3.0    47.0    +      -       +      +
    361C  ARG*     3.8    21.3    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with ALA 331 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    327C  SER      3.4     8.4    +      -       -      +
    328C  ALA*     3.4    15.6    +      -       -      +
    330C  GLU*     1.3    77.2    -      -       -      +
    332C  ILE*     1.3    61.6    +      -       +      +
    334C  TRP*     4.4     5.7    -      -       -      +
    335C  PHE*     3.9    14.6    +      -       -      +
    539C  TRP      4.1     7.6    -      -       -      +
    541C  PRO*     4.2    18.1    -      -       +      +
    542C  ILE*     5.3     8.7    -      -       +      +
    543C  GLU*     5.3     8.1    -      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with ILE 332 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    328C  ALA      3.6    17.9    +      -       -      +
    329C  MET*     3.9     5.8    +      -       -      +
    330C  GLU      3.1     0.6    -      -       -      -
    331C  ALA*     1.3    78.0    -      -       +      +
    333C  SER*     1.3    63.5    +      -       -      +
    334C  TRP      3.4     0.7    -      -       -      -
    335C  PHE*     3.6    12.8    -      -       +      +
    336C  LYS*     3.3    27.6    +      -       +      +
    541C  PRO*     4.2    25.8    -      -       +      -
    543C  GLU*     6.0     4.3    -      -       +      -
    553C  ALA      6.1     0.9    -      -       -      +
    554C  GLN*     6.3     1.1    -      -       -      -
    555C  ASP*     4.3    31.9    -      -       +      +
    556C  PHE      5.7     3.4    -      -       -      -
    557C  LYS*     5.7    10.8    -      -       +      +
----------------------------------------------------------
 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