Contacts of the helix formed by residues 205 - 223 (chain B) in PDB entry 2Y0N


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 ASN 205 (chain B).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    202B  CYS*     3.8    11.2    +      -       -      +
    203B  GLN      4.0     1.2    +      -       -      -
    204B  THR*     1.3    72.5    -      -       -      +
    206B  ILE*     1.3    60.5    +      -       -      +
    207B  ILE*     3.8     5.9    -      -       -      +
    208B  THR*     3.0    30.8    +      -       -      +
    209B  ILE*     3.0    28.7    +      -       -      +
    448B  SER      3.7     3.5    +      -       -      +
    449B  TYR*     3.3    50.9    +      -       -      +
    450B  ILE      4.7     1.3    -      -       -      -
    451B  TYR      3.3    16.2    -      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with ILE 206 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    205B  ASN*     1.3    73.3    -      -       -      +
    207B  ILE*     1.3    66.3    +      -       -      +
    209B  ILE*     3.7     6.3    -      -       +      +
    210B  LEU*     3.0    44.1    +      -       +      +
    262B  ARG*     5.1     3.1    -      -       +      -
    265B  PHE*     3.3    49.1    -      -       +      -
    448B  SER*     3.4    19.0    +      -       -      +
    451B  TYR      2.9    14.4    +      -       -      +
    452B  GLY      3.3    28.7    -      -       -      +
    456B  LEU*     3.8    25.8    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with ILE 207 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    205B  ASN*     3.3     9.4    -      -       -      +
    206B  ILE*     1.3    79.2    -      -       -      +
    208B  THR*     1.3    59.7    +      -       +      +
    210B  LEU*     3.5     2.3    +      -       -      +
    211B  GLU*     3.0    50.5    +      -       -      +
    262B  ARG*     3.8    25.6    -      -       +      -
    448B  SER*     3.6    33.2    -      -       -      +
    449B  TYR*     3.7    42.2    -      -       +      +
    440D  GLU*     4.2    12.1    -      -       +      +
    441D  PHE*     3.8    12.1    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with THR 208 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    203B  GLN      6.0     0.7    -      -       -      +
    204B  THR*     3.5    13.7    +      -       -      -
    205B  ASN*     3.0    39.0    +      -       -      +
    207B  ILE*     1.3    76.8    -      -       +      +
    209B  ILE*     1.3    65.2    +      -       -      +
    211B  GLU*     3.3    20.3    +      -       -      +
    212B  SER*     2.9    24.7    +      -       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with ILE 209 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    204B  THR*     4.0    15.7    +      -       -      +
    205B  ASN      3.0    21.1    +      -       -      +
    206B  ILE*     3.7    10.3    -      -       -      +
    208B  THR*     1.3    75.1    +      -       -      +
    210B  LEU*     1.3    62.7    +      -       -      +
    212B  SER*     3.2     9.1    +      -       -      -
    213B  TYR*     3.1    19.9    +      -       -      +
    452B  GLY      3.9     4.9    -      -       -      -
    453B  ALA*     3.4    42.8    -      -       +      +
    456B  LEU*     4.1    19.7    -      -       +      -
    487B  PHE*     4.5     6.7    -      -       +      -
    490B  PHE*     4.6     2.1    -      -       +      -
    491B  LEU*     4.4    15.3    -      -       +      -
    498B  PHE*     4.2    25.8    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with LEU 210 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    206B  ILE*     3.0    31.7    +      -       +      +
    207B  ILE*     5.0     0.4    -      -       -      -
    209B  ILE*     1.3    75.1    -      -       -      +
    211B  GLU*     1.3    65.2    +      -       -      +
    213B  TYR*     3.3     5.7    +      -       -      +
    214B  VAL*     3.2    26.5    +      -       -      +
    258B  VAL*     3.2    42.8    -      -       +      +
    261B  LEU*     4.4    14.4    -      -       +      -
    262B  ARG*     3.8    24.0    -      -       +      +
    456B  LEU*     4.4     8.3    -      -       +      -
    487B  PHE*     3.8    30.7    -      -       +      -
    441D  PHE*     3.6    15.7    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with GLU 211 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    207B  ILE*     3.0    36.6    +      -       -      +
    208B  THR*     3.5    22.7    -      -       -      +
    210B  LEU*     1.3    75.4    -      -       -      +
    212B  SER*     1.3    61.1    +      -       -      +
    214B  VAL*     3.6     5.4    +      -       -      +
    215B  LYS*     3.4    36.6    +      -       -      +
    440D  GLU*     3.6    19.8    -      -       -      +
    441D  PHE*     3.4    23.3    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with SER 212 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    208B  THR      2.9    12.9    +      -       -      -
    209B  ILE*     3.3    12.8    -      -       -      -
    210B  LEU      3.2     0.2    -      -       -      -
    211B  GLU*     1.3    74.2    -      -       -      +
    213B  TYR*     1.3    65.3    +      -       -      +
    215B  LYS*     3.3    13.1    +      -       -      +
    216B  HIS*     2.9    44.9    +      -       -      -
    490B  PHE*     4.3     8.1    -      -       -      -
    498B  PHE*     4.7     9.1    -      -       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with TYR 213 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    209B  ILE      3.1     7.2    +      -       -      +
    210B  LEU*     3.3     7.4    +      -       -      +
    212B  SER*     1.3    78.7    -      -       -      +
    214B  VAL*     1.3    54.4    +      -       -      +
    216B  HIS*     3.0     4.1    +      -       +      +
    217B  PHE*     2.7    59.9    +      +       +      +
    254B  CYS*     3.4    27.6    -      -       -      -
    257B  MET*     4.2     8.7    -      -       +      -
    258B  VAL*     4.3     9.6    -      -       +      -
    483B  HIS*     4.0     5.5    +      +       -      -
    486B  LEU*     3.4    23.7    -      -       +      +
    487B  PHE*     3.6    35.3    +      +       +      -
    490B  PHE*     3.3    59.4    -      +       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with VAL 214 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    210B  LEU      3.2    15.8    +      -       -      +
    211B  GLU*     3.8     7.9    -      -       -      +
    212B  SER      3.3     0.2    -      -       -      -
    213B  TYR*     1.3    77.8    -      -       -      +
    215B  LYS*     1.3    61.8    +      -       +      +
    217B  PHE*     3.3     7.6    +      -       -      +
    218B  ALA*     3.0    23.9    +      -       +      +
    251B  VAL*     5.0     6.4    -      -       +      +
    254B  CYS*     4.5     5.6    -      -       -      -
    255B  LYS*     4.1    34.8    -      -       +      -
    258B  VAL*     3.7    29.8    -      -       +      -
    441D  PHE*     4.5    13.7    -      -       +      +
    442D  ASP*     6.2     0.2    -      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with LYS 215 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    211B  GLU*     3.4    25.9    +      -       -      +
    212B  SER*     3.3    13.0    +      -       -      +
    213B  TYR      3.3     0.2    -      -       -      -
    214B  VAL*     1.3    76.8    -      -       +      +
    216B  HIS*     1.3    66.7    +      -       +      +
    218B  ALA*     3.2    15.1    +      -       -      +
    219B  ILE*     3.4    23.3    +      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with HIS 216 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    212B  SER*     2.9    38.3    +      -       -      +
    213B  TYR*     3.0     7.9    +      -       +      +
    215B  LYS*     1.3    81.0    -      -       +      +
    217B  PHE*     1.3    63.7    +      -       -      +
    219B  ILE*     3.7     4.1    +      -       -      +
    220B  ASN*     3.2    25.8    +      -       -      +
    490B  PHE*     3.9    27.2    -      +       +      -
    494B  TYR*     4.5    21.3    +      +       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with PHE 217 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    213B  TYR*     2.7    50.4    +      +       +      +
    214B  VAL      3.5     5.2    -      -       -      +
    216B  HIS*     1.3    73.2    -      -       -      +
    218B  ALA*     1.3    61.5    -      -       -      +
    220B  ASN*     3.4     7.4    +      -       -      +
    221B  ALA*     3.2    21.3    +      -       +      +
    248B  GLU      3.3    26.0    -      -       -      -
    249B  LYS*     4.0     7.6    -      -       -      -
    250B  ASN      3.4    29.2    -      -       -      -
    251B  VAL*     3.6    13.5    -      -       +      -
    254B  CYS*     3.5    22.7    -      -       +      -
    483B  HIS*     3.6    25.1    -      +       -      -
    486B  LEU*     4.0    10.1    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with ALA 218 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    214B  VAL*     3.0    17.9    +      -       +      +
    215B  LYS*     3.2     7.8    +      -       -      +
    217B  PHE*     1.3    77.3    -      -       -      +
    219B  ILE*     1.3    64.0    +      -       +      +
    221B  ALA*     3.7     5.6    +      -       -      +
    222B  ALA*     3.4    21.5    +      -       -      +
    251B  VAL*     4.0    23.3    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with ILE 219 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    215B  LYS*     3.4    19.7    +      -       +      +
    216B  HIS*     4.5     3.6    -      -       -      +
    217B  PHE      3.3     0.2    -      -       -      -
    218B  ALA*     1.3    76.9    -      -       +      +
    220B  ASN*     1.3    59.0    +      -       -      +
    221B  ALA      3.0     4.9    -      -       -      -
    222B  ALA*     4.6     0.9    -      -       -      -
    223B  PHE*     3.0    56.3    +      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with ASN 220 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    216B  HIS      3.2    20.5    +      -       -      +
    217B  PHE*     3.4     7.6    +      -       +      +
    219B  ILE*     1.3    76.3    -      -       -      +
    221B  ALA*     1.3    56.0    +      -       -      +
    223B  PHE      3.1    14.5    -      -       -      +
    224B  SER*     3.3    16.6    +      -       -      -
    249B  LYS*     5.1     1.9    -      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with ALA 221 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    217B  PHE*     3.2    17.3    +      -       +      +
    218B  ALA*     3.8     7.0    -      -       -      +
    219B  ILE      3.0     0.6    -      -       -      -
    220B  ASN*     1.3    76.7    -      -       -      +
    222B  ALA*     1.3    68.7    +      -       -      +
    223B  PHE      2.9     9.8    +      -       -      -
    224B  SER*     3.8     5.9    +      -       -      +
    249B  LYS*     3.9    45.7    +      -       +      +
    251B  VAL*     5.8     3.1    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with ALA 222 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    218B  ALA      3.4    15.2    +      -       -      +
    219B  ILE*     4.6     0.7    -      -       -      -
    221B  ALA*     1.3    78.4    -      -       -      +
    223B  PHE*     1.3    87.2    +      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with PHE 223 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    219B  ILE*     3.0    42.8    +      -       +      +
    220B  ASN*     3.1    15.6    -      -       -      +
    222B  ALA*     1.3    96.0    -      -       +      +
    224B  SER*     1.3    67.6    +      -       -      +
----------------------------------------------------------
 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