Contacts of the helix formed by residues 203 - 224 (chain A) in PDB entry 2Y48


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 PRO 203 (chain A).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    202A  GLY*     1.4    85.1    -      -       -      +
    204A  GLN*     1.3    55.3    +      -       -      +
    205A  GLN*     2.8    22.0    +      -       +      +
    206A  THR*     2.9    41.1    +      -       -      +
    207A  GLN*     3.4     8.8    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with GLN 204 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    202A  GLY      3.8     1.8    +      -       -      +
    203A  PRO*     1.3    70.6    -      -       -      +
    205A  GLN*     1.3    61.9    +      -       -      +
    207A  GLN*     3.6    32.8    +      -       -      +
    208A  LYS*     3.5    36.0    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with GLN 205 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    203A  PRO*     2.8     9.2    +      -       +      +
    204A  GLN*     1.3    77.1    -      -       -      +
    206A  THR*     1.3    64.5    +      -       -      +
    208A  LYS*     3.3    20.0    +      -       -      +
    209A  VAL*     3.3    24.7    +      -       +      +
    241A  PRO*     6.0     4.0    -      -       -      +
    242A  TYR*     6.2     0.8    -      -       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with THR 206 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    199A  ILE*     4.6    21.1    +      -       +      -
    203A  PRO*     2.9    32.1    +      -       -      +
    205A  GLN*     1.3    76.7    -      -       -      +
    207A  GLN*     1.3    53.7    +      -       -      +
    209A  VAL*     2.8    33.4    +      -       +      +
    210A  PHE*     2.8    17.5    +      -       -      +
    248A  LEU*     5.1    13.3    -      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with GLN 207 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    188A  MET*     4.4     8.8    -      -       -      +
    199A  ILE*     3.8    22.6    +      -       +      +
    200A  ILE*     2.9    42.6    +      -       -      +
    202A  GLY      3.2    18.0    +      -       -      -
    203A  PRO      3.6    11.1    +      -       -      +
    204A  GLN*     3.7    34.6    +      -       -      +
    205A  GLN      3.2     0.2    -      -       -      -
    206A  THR*     1.3    77.0    -      -       -      +
    208A  LYS*     1.3    52.7    +      -       +      +
    210A  PHE*     3.2     3.0    +      -       -      +
    211A  LEU*     2.8    47.5    +      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with LYS 208 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    204A  GLN*     3.5    23.4    +      -       -      +
    205A  GLN*     3.3    18.7    +      -       -      +
    206A  THR      3.1     0.6    -      -       -      -
    207A  GLN*     1.3    76.2    -      -       +      +
    209A  VAL*     1.3    61.5    +      -       +      +
    211A  LEU*     3.8    12.1    -      -       +      +
    212A  PHE*     2.8    30.7    +      -       -      +
    242A  TYR*     5.2     1.5    -      -       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with VAL 209 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    205A  GLN*     3.3    33.0    -      -       +      +
    206A  THR*     2.8    17.5    +      -       +      +
    208A  LYS*     1.3    74.0    -      -       +      +
    210A  PHE*     1.3    57.2    +      -       -      +
    212A  PHE*     3.3     4.7    +      -       -      +
    213A  ILE*     2.8    55.9    +      -       +      +
    241A  PRO*     5.0     3.4    -      -       +      +
    242A  TYR*     3.6    36.3    -      -       +      +
    245A  ASP*     6.6     0.2    -      -       +      -
    248A  LEU*     4.6     9.2    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with PHE 210 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    188A  MET*     3.5    43.7    -      -       +      -
    192A  GLU*     3.7    33.7    -      -       +      -
    196A  PHE*     3.6    24.5    -      +       -      -
    199A  ILE*     3.9    30.1    -      -       +      -
    206A  THR      2.8    10.8    +      -       -      +
    207A  GLN      3.2     6.7    +      -       -      +
    209A  VAL*     1.3    75.5    -      -       -      +
    211A  LEU*     1.3    61.4    +      -       +      +
    213A  ILE*     2.9     9.3    +      -       -      +
    214A  ARG*     2.8    44.3    +      -       +      +
    248A  LEU*     4.7     3.9    -      -       +      +
    252A  VAL*     3.3    32.5    -      -       +      -
    255A  TYR*     5.5     2.5    -      +       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with LEU 211 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    185A  HIS      4.3     8.5    -      -       -      +
    186A  ASP*     3.8    24.0    -      -       -      +
    187A  ARG*     3.2    34.3    -      -       -      +
    188A  MET*     3.7    17.3    -      -       +      +
    207A  GLN*     2.8    31.6    +      -       +      +
    208A  LYS*     3.9    12.6    -      -       +      +
    210A  PHE*     1.3    74.7    -      -       +      +
    212A  PHE*     1.3    57.2    +      -       -      +
    214A  ARG*     3.4    22.7    -      -       -      +
    215A  ASN*     2.8    38.1    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with PHE 212 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    174A  VAL*     4.4    23.6    -      -       +      -
    208A  LYS      2.8    22.0    +      -       -      +
    209A  VAL      3.7     3.8    -      -       -      +
    210A  PHE      3.1     0.2    -      -       -      -
    211A  LEU*     1.3    71.8    -      -       -      +
    213A  ILE*     1.3    64.4    +      -       -      +
    215A  ASN*     3.7     4.7    -      -       -      +
    216A  ARG*     2.8    60.1    +      -       +      +
    238A  LEU*     4.6     6.3    -      -       +      -
    239A  GLU*     5.9     4.3    -      -       +      -
    242A  TYR*     3.5    55.9    -      +       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with ILE 213 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    209A  VAL*     2.8    50.7    +      -       +      +
    210A  PHE*     3.6     3.4    -      -       -      +
    212A  PHE*     1.3    74.8    -      -       -      +
    214A  ARG*     1.3    59.3    +      -       -      +
    216A  ARG*     3.8     3.0    -      -       -      +
    217A  THR*     2.6    39.3    +      -       -      +
    238A  LEU*     4.4    21.7    -      -       +      +
    242A  TYR*     4.2    15.9    -      -       +      +
    245A  ASP*     6.4     0.2    -      -       +      -
    248A  LEU*     3.8    26.5    -      -       +      -
    249A  VAL*     3.9    30.5    -      -       +      -
    252A  VAL*     4.1    17.7    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with ARG 214 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    178A  ALA*     4.1     5.1    -      -       -      +
    183A  LEU*     4.1    11.7    -      -       -      +
    184A  PRO      3.2    19.6    +      -       -      -
    185A  HIS*     4.0     3.2    -      -       -      +
    187A  ARG      2.7    28.3    +      -       -      -
    188A  MET*     4.1     0.2    -      -       -      +
    189A  THR*     4.4     5.7    -      -       -      +
    192A  GLU*     3.0    40.0    +      -       -      +
    210A  PHE*     2.8    28.7    +      -       +      +
    211A  LEU*     3.4    17.9    -      -       -      +
    213A  ILE*     1.3    75.3    -      -       -      +
    215A  ASN*     1.3    99.7    +      -       -      +
    217A  THR*     3.2     2.4    +      -       -      -
    218A  LEU*     3.1    40.8    +      -       +      +
    252A  VAL*     3.8    16.4    -      -       +      +
    255A  TYR*     5.7     0.2    -      -       +      -
    256A  LEU*     4.1    16.4    -      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with ASN 215 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    174A  VAL*     3.7    33.2    -      -       +      +
    175A  GLU*     5.0     1.0    -      -       -      +
    177A  ALA*     3.8     4.7    -      -       -      +
    178A  ALA*     3.6    13.2    -      -       -      +
    185A  HIS*     2.9    37.8    +      -       -      +
    211A  LEU      2.8    24.0    +      -       -      +
    212A  PHE*     3.9     3.0    -      -       -      +
    214A  ARG*     1.3   102.9    +      -       -      +
    216A  ARG*     1.3    61.1    +      -       -      +
    218A  LEU*     3.4     8.8    -      -       -      +
    219A  GLN*     3.1    22.3    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with ARG 216 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    174A  VAL*     4.1    10.5    -      -       +      +
    212A  PHE*     2.8    47.7    +      -       +      +
    213A  ILE*     3.9     3.6    -      -       -      +
    215A  ASN*     1.3    70.0    -      -       -      +
    217A  THR*     1.3    67.6    +      -       -      +
    218A  LEU      3.3     0.2    +      -       -      -
    219A  GLN*     3.1    41.5    +      -       -      +
    220A  LEU*     3.0    68.5    +      -       +      +
    223A  ASP*     4.7     3.4    +      -       -      -
    237A  GLN*     4.3    22.2    +      -       -      +
    238A  LEU*     5.0    13.2    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with THR 217 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    213A  ILE*     2.6    30.3    +      -       -      +
    214A  ARG      3.6     3.8    -      -       -      -
    216A  ARG*     1.3    76.8    -      -       -      +
    218A  LEU*     1.3    62.1    +      -       -      +
    220A  LEU*     3.3    11.3    +      -       -      +
    221A  TRP*     3.0    21.8    +      -       -      +
    229A  LEU*     3.7    21.5    -      -       +      +
    234A  THR*     3.8    24.0    -      -       +      +
    238A  LEU*     5.4     0.3    -      -       -      +
    252A  VAL*     4.4     4.0    -      -       -      +
    253A  HIS*     4.1    14.4    +      -       +      +
    256A  LEU*     3.8    19.3    -      -       +      -
    262A  ILE*     4.5     3.8    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with LEU 218 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    177A  ALA*     3.8    11.2    -      -       +      -
    178A  ALA*     4.7     4.7    -      -       -      -
    181A  SER*     3.3    27.6    -      -       -      +
    183A  LEU*     3.9    15.7    -      -       +      -
    214A  ARG*     3.1    42.3    +      -       +      +
    215A  ASN*     3.4    13.5    -      -       -      +
    216A  ARG      3.2     0.2    -      -       -      -
    217A  THR*     1.3    72.3    -      -       -      +
    219A  GLN*     1.3    66.4    +      -       -      +
    221A  TRP*     2.8     7.1    +      -       +      +
    222A  LEU*     2.8    26.5    +      -       +      +
    256A  LEU*     4.3     7.4    -      -       +      -
    261A  LEU*     4.0    27.8    -      -       +      +
    262A  ILE*     4.2    10.5    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with GLN 219 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    173A  GLY*     3.1    36.0    +      -       -      +
    174A  VAL*     3.3    19.7    -      -       -      +
    177A  ALA*     3.4    16.0    -      -       +      +
    215A  ASN      3.1     9.8    +      -       -      +
    216A  ARG*     3.1    34.2    +      -       -      +
    218A  LEU*     1.3    77.1    -      -       -      +
    220A  LEU*     1.3    56.6    +      -       -      +
    222A  LEU*     3.0     4.5    +      -       -      -
    223A  ASP*     2.8    56.3    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with LEU 220 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    216A  ARG*     3.0    53.2    +      -       +      +
    217A  THR*     3.4    14.8    -      -       -      +
    219A  GLN*     1.3    81.1    -      -       -      +
    221A  TRP*     1.3    64.6    +      -       -      +
    223A  ASP*     3.5     6.8    +      -       -      +
    224A  ASN*     3.4    17.8    +      -       -      +
    229A  LEU*     4.1    21.4    -      -       +      +
    234A  THR*     4.7    19.5    -      -       +      +
    237A  GLN*     3.8    43.7    -      -       +      +
    238A  LEU*     6.0     0.7    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with TRP 221 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    217A  THR      3.0     7.2    +      -       -      +
    218A  LEU*     2.8    10.6    +      -       +      +
    220A  LEU*     1.3    72.2    -      -       -      +
    222A  LEU*     1.3    83.5    +      -       +      +
    224A  ASN      3.1    22.9    -      -       -      -
    225A  PRO*     3.2    40.0    -      -       +      +
    227A  ILE      3.9    17.5    -      -       -      -
    229A  LEU*     4.2    13.4    -      -       +      +
    261A  LEU      3.3    25.9    +      -       -      -
    262A  ILE*     3.5    22.4    -      -       +      -
    263A  ASN*     3.4    46.7    -      -       -      -
    264A  PHE*     3.6    29.7    -      +       -      -
    267A  TYR*     4.3     5.8    -      +       +      -
    344A  VAL*     4.0     6.4    -      -       +      +
    348A  GLN*     3.4    12.8    -      -       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with LEU 222 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    177A  ALA*     3.8    39.7    -      -       +      +
    180A  GLN*     3.9    25.6    -      -       +      +
    181A  SER*     3.9    12.8    -      -       -      +
    218A  LEU      2.8    16.4    +      -       -      +
    219A  GLN*     3.6     4.9    -      -       -      +
    221A  TRP*     1.3    86.2    -      -       +      +
    223A  ASP*     1.3    64.4    +      -       -      +
    224A  ASN      2.9     6.1    +      -       -      -
    225A  PRO*     3.3    17.1    -      -       -      +
    261A  LEU      5.6     0.4    -      -       -      +
    264A  PHE*     5.9     0.4    -      -       +      -
    344A  VAL*     3.4    32.3    -      -       +      +
    347A  LYS*     4.4    11.0    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with ASP 223 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    216A  ARG*     4.7     4.2    +      -       -      -
    219A  GLN*     2.8    45.8    +      -       -      +
    220A  LEU*     3.9     6.9    +      -       -      +
    222A  LEU*     1.3    71.9    -      -       -      +
    224A  ASN*     1.3    62.9    +      -       +      +
    225A  PRO*     4.0     2.3    -      -       -      +
    347A  LYS*     5.5     4.4    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with ASN 224 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    220A  LEU      3.4     7.2    +      -       -      +
    221A  TRP*     3.1    10.7    +      -       -      +
    222A  LEU      2.9     1.6    -      -       -      -
    223A  ASP*     1.3    85.8    -      -       +      +
    225A  PRO*     1.3    60.4    -      -       -      +
    226A  LYS*     3.1    20.9    +      -       -      +
    227A  ILE*     3.3    46.7    +      -       +      +
----------------------------------------------------------
 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