Contacts of the helix formed by residues 114 - 129 (chain A) in PDB entry 1Y67


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 114 (chain A).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    108A  ILE*     3.7     5.8    -      -       -      +
    109A  ASN*     3.4    14.8    -      -       -      +
    112A  PHE*     3.4     2.6    +      -       -      +
    113A  GLY*     1.3    80.4    -      -       -      +
    115A  PHE*     1.3    65.8    +      -       -      +
    116A  ASP*     3.6     8.4    +      -       -      +
    117A  ALA*     3.0    23.7    +      -       -      +
    118A  PHE*     2.9    23.9    +      -       -      +
----------------------------------------------------------
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Residues in contact with PHE 115 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     98A  ASN      3.8     9.6    -      -       -      -
     99A  GLN*     3.5    35.9    -      -       +      +
    100A  PRO*     3.4    30.5    -      -       +      -
    105A  LEU*     4.1    15.5    -      -       +      +
    108A  ILE*     3.8    11.2    -      -       +      +
    109A  ASN*     3.7     6.9    +      -       -      -
    114A  SER*     1.3    73.1    -      -       -      +
    116A  ASP*     1.3    63.0    +      -       -      +
    118A  PHE*     3.2    22.9    +      +       -      +
    119A  LYS*     2.9    63.4    +      -       +      +
    195A  TRP*     4.5     2.9    -      +       +      -
    200A  TRP*     3.5    28.5    -      +       -      -
----------------------------------------------------------
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Residues in contact with ASP 116 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     99A  GLN*     5.5     0.9    -      -       -      +
    114A  SER*     3.2     7.1    +      -       -      +
    115A  PHE*     1.3    82.6    -      -       -      +
    117A  ALA*     1.3    62.0    +      -       -      +
    119A  LYS*     3.3    28.6    +      -       -      +
    120A  GLN*     3.1    25.3    +      -       -      +
----------------------------------------------------------
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Residues in contact with ALA 117 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    112A  PHE*     3.3    25.4    -      -       -      +
    113A  GLY*     4.8     0.7    -      -       -      -
    114A  SER*     3.0    20.8    +      -       -      +
    116A  ASP*     1.3    72.7    -      -       -      +
    118A  PHE*     1.3    66.5    +      -       -      +
    120A  GLN*     3.3    10.0    +      -       -      +
    121A  LYS*     3.0    22.9    +      -       -      +
----------------------------------------------------------
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Residues in contact with PHE 118 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    108A  ILE*     3.6    19.5    -      -       +      -
    112A  PHE*     3.8    31.1    -      +       +      +
    114A  SER      2.9    14.0    +      -       -      +
    115A  PHE*     3.4    24.9    -      +       -      +
    117A  ALA*     1.3    72.4    -      -       -      +
    119A  LYS*     1.3    63.5    +      -       -      +
    121A  LYS*     3.1     3.4    +      -       -      +
    122A  PHE*     2.8    42.9    +      +       +      +
    137A  LEU*     3.8    28.5    -      -       +      -
    146A  VAL*     3.8    24.2    -      -       +      -
    170A  LEU*     4.3     5.2    -      -       +      -
    195A  TRP*     3.6    34.5    -      +       -      -
    200A  TRP*     3.8    14.1    -      +       -      -
----------------------------------------------------------
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Residues in contact with LYS 119 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     97A  ALA*     5.9     5.1    -      -       -      +
     98A  ASN      5.3     2.0    +      -       -      -
    115A  PHE*     2.9    47.8    +      -       +      +
    116A  ASP*     3.6    31.3    +      -       -      +
    117A  ALA      3.3     0.2    -      -       -      -
    118A  PHE*     1.3    77.1    -      -       +      +
    120A  GLN*     1.3    58.0    +      -       +      +
    122A  PHE*     3.7     0.9    -      -       -      +
    123A  GLU*     2.8    39.4    +      -       -      +
    195A  TRP*     3.6    55.5    -      -       +      +
----------------------------------------------------------
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Residues in contact with GLN 120 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    116A  ASP      3.1    16.1    +      -       -      +
    117A  ALA*     3.4    12.1    -      -       -      +
    118A  PHE      3.2     0.2    -      -       -      -
    119A  LYS*     1.3    77.8    -      -       -      +
    121A  LYS*     1.3    57.1    +      -       -      +
    123A  GLU*     3.8    16.2    +      -       -      +
    124A  ASP*     2.9    49.6    +      -       -      +
    127A  LYS*     5.7     4.6    +      -       -      +
----------------------------------------------------------
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Residues in contact with LYS 121 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    112A  PHE*     4.4    20.6    -      -       +      -
    117A  ALA      3.0    13.5    +      -       -      +
    118A  PHE*     3.5    10.3    -      -       -      +
    120A  GLN*     1.3    72.7    -      -       -      +
    122A  PHE*     1.3    60.9    +      -       -      +
    124A  ASP*     3.4     7.9    +      -       +      +
    125A  ALA*     3.1    27.9    +      -       -      +
    145A  ASP*     4.6    10.6    +      -       -      -
    146A  VAL*     3.8    30.7    +      -       +      +
----------------------------------------------------------
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Residues in contact with PHE 122 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    118A  PHE*     2.8    35.5    +      +       +      +
    119A  LYS      3.7     2.9    -      -       -      +
    121A  LYS*     1.3    74.8    -      -       -      +
    123A  GLU*     1.3    67.7    +      -       +      +
    125A  ALA*     3.3     2.9    +      -       -      +
    126A  ALA*     3.0    20.9    +      -       +      +
    135A  ALA*     3.7    11.2    -      -       +      +
    136A  TRP*     3.7    35.4    -      -       -      -
    137A  LEU      3.8     3.8    -      -       -      -
    146A  VAL*     3.8    11.4    -      -       +      -
    170A  LEU*     4.4    16.8    -      -       +      -
    171A  GLY      4.4     1.6    -      -       -      -
    172A  VAL*     3.4    42.2    -      -       +      -
    191A  LEU*     5.4     2.9    -      -       +      -
    194A  PHE*     4.3     8.5    -      +       -      -
    195A  TRP*     3.4    31.6    -      +       +      -
----------------------------------------------------------
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Residues in contact with GLU 123 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    119A  LYS*     2.8    27.3    +      -       -      +
    120A  GLN*     3.9    17.9    +      -       -      +
    122A  PHE*     1.3    73.2    -      -       +      +
    124A  ASP*     1.3    59.5    +      -       -      +
    126A  ALA*     3.4     2.6    +      -       -      +
    127A  LYS*     2.8    50.0    +      -       -      +
    188A  PRO*     4.7     5.0    -      -       -      +
    191A  LEU*     4.1    28.1    -      -       +      +
    192A  ALA*     4.2    10.8    +      -       -      +
    195A  TRP*     2.7    37.5    +      -       +      +
----------------------------------------------------------
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Residues in contact with ASP 124 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    120A  GLN*     2.9    39.8    +      -       -      +
    121A  LYS*     3.7     8.2    -      -       +      +
    122A  PHE      3.2     0.2    -      -       -      -
    123A  GLU*     1.3    74.7    -      -       -      +
    125A  ALA*     1.3    53.6    +      -       -      +
    127A  LYS*     3.3    23.3    +      -       -      +
    128A  THR*     2.7    46.1    +      -       +      +
----------------------------------------------------------
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Residues in contact with ALA 125 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    121A  LYS      3.1     7.3    +      -       -      +
    122A  PHE      3.7     2.5    -      -       -      +
    124A  ASP*     1.3    76.1    -      -       -      +
    126A  ALA*     1.3    61.1    +      -       -      +
    128A  THR*     3.4     7.1    +      -       -      -
    129A  ARG*     3.3    22.7    +      -       -      +
    135A  ALA*     4.3     4.0    -      -       +      -
    146A  VAL*     3.5    33.2    -      -       +      +
    147A  VAL      4.4    15.9    -      -       -      +
    148A  SER*     3.9     9.4    +      -       -      -
----------------------------------------------------------
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Residues in contact with ALA 126 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    122A  PHE*     3.0    16.8    +      -       +      +
    123A  GLU*     4.5     0.4    -      -       -      -
    125A  ALA*     1.3    76.9    -      -       -      +
    127A  LYS*     1.3    59.7    +      -       -      +
    128A  THR      3.5     0.2    +      -       -      -
    129A  ARG*     3.6     8.1    +      -       -      +
    135A  ALA*     3.7    19.4    -      -       +      +
    172A  VAL*     4.2     2.5    -      -       +      -
    174A  VAL*     4.0    11.0    -      -       +      +
    187A  ARG*     2.8    26.5    +      -       -      -
    191A  LEU*     3.5    36.1    -      -       +      -
----------------------------------------------------------
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Residues in contact with LYS 127 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    120A  GLN*     5.7     4.4    +      -       -      +
    123A  GLU*     2.8    35.8    +      -       -      +
    124A  ASP*     3.3    27.9    +      -       -      +
    126A  ALA*     1.3    77.7    -      -       -      +
    128A  THR*     1.3    64.0    +      -       +      +
    129A  ARG      3.6     1.6    +      -       -      +
    187A  ARG*     3.9    14.5    +      -       -      +
    188A  PRO*     3.9    32.7    -      -       +      +
    191A  LEU*     3.7    15.3    -      -       +      -
----------------------------------------------------------
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Residues in contact with THR 128 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    124A  ASP*     2.7    25.9    +      -       +      +
    125A  ALA*     3.4    11.6    +      -       -      -
    126A  ALA      3.3     0.2    -      -       -      -
    127A  LYS*     1.3    80.4    -      -       +      +
    129A  ARG*     1.3    60.3    +      -       -      +
    130A  PHE*     3.1    12.4    +      -       -      +
    148A  SER*     5.6     0.2    -      -       -      -
----------------------------------------------------------
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Residues in contact with ARG 129 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    125A  ALA      3.3    17.1    +      -       -      +
    126A  ALA*     3.8     8.7    -      -       -      +
    127A  LYS      3.3     2.6    -      -       -      +
    128A  THR*     1.3    73.6    -      -       -      +
    130A  PHE*     1.3    72.4    +      -       -      +
    131A  GLY      3.6     3.5    +      -       -      +
    132A  SER      3.8    11.7    -      -       -      -
    133A  GLY*     4.0     5.8    -      -       -      +
    134A  TRP      4.3     2.0    -      -       -      +
    148A  SER*     3.0    41.0    +      -       -      +
    149A  THR*     3.2    25.9    +      -       -      +
    150A  ALA*     3.5    24.0    -      -       -      +
    174A  VAL*     3.9    20.6    -      -       +      -
    187A  ARG*     2.9    26.0    +      -       -      -
----------------------------------------------------------
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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