Contacts of the helix formed by residues 225 - 239 (chain L) in PDB entry 4ZZ7


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 225 (chain L).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    222L  PHE*     3.8     0.2    -      -       -      -
    224L  GLY*     1.3    73.7    -      -       -      -
    226L  THR*     1.3    53.6    +      -       -      +
    227L  PRO*     3.6    13.4    -      -       -      +
    228L  ILE*     3.5    14.9    -      -       -      +
    229L  ALA*     2.7    35.3    +      -       -      +
    247L  GLY*     4.1     1.6    -      -       -      -
    248L  GLY      4.4     0.4    -      -       -      +
    382L  GLU*     5.4     0.7    -      -       -      -
    501L  NAD      2.7    51.5    +      -       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with THR 226 (chain L). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    225L  SER*     1.3    68.9    -      -       -      +
    227L  PRO*     1.3    75.4    -      -       +      +
    229L  ALA*     3.4     7.2    -      -       -      +
    230L  GLU*     2.8    25.2    +      -       -      +
    247L  GLY*     3.7     1.0    -      -       -      -
    248L  GLY*     2.9    25.8    +      -       -      +
    407L  GLU*     4.3     4.9    -      -       -      +
    408L  TYR*     3.1    18.6    +      -       +      -
    454L  ARG*     3.1    59.8    +      -       -      +
    457L  PHE*     4.2     6.3    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with PRO 227 (chain L). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    225L  SER*     3.6    13.7    -      -       -      +
    226L  THR*     1.3    96.1    -      -       +      +
    228L  ILE*     1.3    62.7    +      -       +      +
    230L  GLU*     3.6     9.7    +      -       +      +
    231L  TYR*     3.2    24.1    +      -       -      +
    408L  TYR*     5.1     4.3    -      -       -      +
    454L  ARG*     5.7     1.6    -      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with ILE 228 (chain L). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    222L  PHE*     3.6    20.6    -      -       +      -
    225L  SER*     3.4    14.5    +      -       -      +
    226L  THR      3.2     0.4    -      -       -      -
    227L  PRO*     1.3    79.2    -      -       +      +
    229L  ALA*     1.3    56.6    +      -       -      +
    231L  TYR*     3.0    10.5    +      -       +      -
    232L  ILE*     2.7    45.3    +      -       +      +
    501L  NAD      3.4    76.1    -      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with ALA 229 (chain L). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    222L  PHE*     3.6    13.8    -      -       +      -
    225L  SER      2.7    22.9    +      -       -      +
    226L  THR*     3.4     7.9    -      -       -      +
    228L  ILE*     1.3    72.0    -      -       -      +
    230L  GLU*     1.3    52.1    +      -       -      +
    232L  ILE*     3.1     2.2    +      -       -      +
    233L  TYR*     2.7    37.2    +      -       -      +
    245L  ALA*     3.6    13.7    -      -       +      +
    246L  LEU      3.9    16.8    -      -       -      +
    457L  PHE*     3.8    21.3    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with GLU 230 (chain L). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    237I  SER      5.6     3.3    -      -       -      +
    238I  ALA*     4.3     8.4    -      -       -      +
    239I  ASN      6.0     0.2    -      -       -      -
    240I  GLY*     5.8     2.9    +      -       -      -
    226L  THR      2.8    19.1    +      -       -      +
    227L  PRO*     3.7     8.1    -      -       -      +
    229L  ALA*     1.3    69.2    -      -       -      +
    231L  TYR*     1.3    61.2    +      -       -      +
    233L  TYR*     4.0     4.4    -      -       -      +
    234L  ARG*     2.9    60.9    +      -       +      +
    454L  ARG*     2.8    38.0    +      -       -      -
    457L  PHE*     3.9    20.6    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with TYR 231 (chain L). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    205L  LYS*     3.5    24.5    +      -       -      -
    209L  ASP*     2.5    36.8    +      -       -      -
    212L  LEU*     4.1    11.7    -      -       +      -
    213L  HIS*     4.7     2.3    -      -       -      -
    227L  PRO      3.2    11.9    +      -       -      +
    228L  ILE*     3.0    15.5    +      -       +      +
    230L  GLU*     1.3    77.0    -      -       -      +
    232L  ILE*     1.3    73.1    +      -       +      +
    234L  ARG*     3.7    18.0    -      -       +      +
    235L  THR*     2.8    64.6    +      -       +      +
    501L  NAD      4.4    11.2    -      +       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with ILE 232 (chain L). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    145L  ILE*     4.2     6.1    -      -       +      -
    208L  VAL*     3.3    33.7    -      -       +      -
    212L  LEU*     3.7    15.6    -      -       +      +
    220L  VAL*     3.9    28.5    -      -       +      -
    222L  PHE*     3.6    37.2    -      -       +      -
    228L  ILE*     2.7    30.3    +      -       +      +
    229L  ALA      3.6     3.4    -      -       -      +
    231L  TYR*     1.3    83.7    -      -       +      +
    233L  TYR*     1.3    57.0    +      -       -      +
    235L  THR*     3.9     0.7    -      -       -      -
    236L  ALA*     2.8    34.3    +      -       -      +
    243L  CYS*     4.3     5.6    -      -       -      -
    245L  ALA*     5.0     0.2    -      -       +      -
    501L  NAD      4.5     1.1    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with TYR 233 (chain L). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    233I  TYR*     4.7     9.4    +      -       -      -
    237I  SER*     3.5    45.5    +      -       -      -
    240I  GLY      4.8     7.6    -      -       -      -
    241I  LYS      4.8     1.1    -      -       -      -
    242I  ARG*     4.4    13.2    -      -       -      +
    243I  CYS      5.0     1.9    +      -       -      -
    229L  ALA      2.7    19.9    +      -       -      +
    230L  GLU*     4.0     4.0    -      -       -      +
    232L  ILE*     1.3    72.5    -      -       -      +
    234L  ARG*     1.3    59.0    +      -       -      +
    236L  ALA*     4.0     0.7    -      -       -      +
    237L  SER*     2.7    40.5    +      -       -      -
    243L  CYS*     3.4    44.6    -      -       +      -
    245L  ALA*     4.2     2.0    -      -       +      -
    457L  PHE*     3.5    34.5    -      +       +      -
    458L  GLY*     3.5    28.2    +      -       -      -
    459L  ASP*     6.1     0.2    -      -       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with ARG 234 (chain L). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    234I  ARG*     5.2     5.8    -      -       +      +
    237I  SER      4.7     7.6    -      -       -      +
    238I  ALA*     4.0    39.9    +      -       +      +
    230L  GLU*     2.9    62.3    +      -       -      +
    231L  TYR*     3.7    20.7    -      -       -      +
    233L  TYR*     1.3    79.5    -      -       -      +
    235L  THR*     1.3    59.3    +      -       -      +
    237L  SER*     3.6     3.6    -      -       -      -
    238L  ALA*     2.8    32.9    +      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with THR 235 (chain L). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    212L  LEU*     3.8    26.2    -      -       +      -
    213L  HIS*     3.8    29.8    -      -       +      +
    231L  TYR*     2.8    46.8    +      -       +      +
    234L  ARG*     1.3    78.8    -      -       -      +
    236L  ALA*     1.3    60.9    +      -       -      +
    238L  ALA*     3.5     4.8    +      -       -      +
    239L  ASN*     2.9    38.3    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with ALA 236 (chain L). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    212L  LEU*     4.4    16.7    -      -       +      +
    220L  VAL*     4.6     2.9    -      -       +      -
    232L  ILE      2.8    19.2    +      -       -      +
    233L  TYR      4.0     0.7    -      -       -      +
    235L  THR*     1.3    77.3    -      -       -      +
    237L  SER*     1.3    56.8    +      -       -      +
    239L  ASN*     3.3     3.9    +      -       -      -
    240L  GLY      3.1    21.1    +      -       -      -
    241L  LYS*     3.2    34.4    +      -       +      +
    243L  CYS*     3.7    28.0    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with SER 237 (chain L). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    230I  GLU*     5.5     2.3    -      -       -      +
    233I  TYR*     3.7    32.5    +      -       -      -
    234I  ARG*     4.5     7.7    -      -       -      +
    237I  SER*     3.3    35.2    +      -       -      -
    457I  PHE*     5.4     0.2    -      -       -      -
    233L  TYR*     2.7    32.9    +      -       -      -
    234L  ARG      3.6     2.7    -      -       -      -
    236L  ALA*     1.3    75.0    -      -       -      +
    238L  ALA*     1.3    65.7    +      -       -      +
    240L  GLY*     3.1    13.7    +      -       -      -
    241L  LYS      4.0     2.1    +      -       -      -
    243L  CYS*     5.2     1.6    -      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with ALA 238 (chain L). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    230I  GLU*     4.2     9.9    -      -       -      +
    234I  ARG*     3.9    45.0    +      -       +      +
    234L  ARG*     2.8    22.9    +      -       +      +
    235L  THR*     3.7     9.0    -      -       +      +
    236L  ALA      3.4     0.2    -      -       -      -
    237L  SER*     1.3    73.2    -      -       -      +
    239L  ASN*     1.3    66.9    +      -       -      +
    240L  GLY*     3.2     1.6    +      -       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with ASN 239 (chain L). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    230I  GLU*     5.5     2.0    -      -       -      -
    212L  LEU      3.5    22.3    -      -       -      +
    213L  HIS*     3.5    32.3    +      -       -      +
    215L  ASP*     5.4     2.9    -      -       -      +
    235L  THR*     2.9    39.0    +      -       -      +
    236L  ALA      3.7     4.5    -      -       -      +
    238L  ALA*     1.3    79.1    -      -       -      +
    240L  GLY*     1.3    55.2    +      -       -      +
    241L  LYS*     3.4    16.4    +      -       -      -
----------------------------------------------------------
 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