Contacts of the helix formed by residues 151 - 164 (chain C) in PDB entry 4IYM


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 GLY 151 (chain C).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     85C  LEU*     4.4     2.6    -      -       -      +
     99C  ASP*     3.2    10.2    +      -       -      -
    100C  ILE*     5.2     1.8    -      -       -      -
    149C  PHE      3.2     0.4    -      -       -      -
    150C  PRO*     1.3    82.4    -      -       -      +
    152C  MSE      1.3    66.1    +      -       -      +
    153C  ILE      3.4     0.2    +      -       -      -
    154C  PRO*     3.6     3.1    -      -       -      +
    155C  MSE      3.2    42.4    +      -       -      +
    179C  VAL*     3.8    16.7    -      -       -      +
    183C  LEU*     4.1     1.9    -      -       -      +
----------------------------------------------------------
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Residues in contact with MSE 152 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     99C  ASP*     2.6    31.5    +      -       -      +
    102C  ARG*     3.3    58.8    -      -       +      +
    103C  GLY*     3.9     8.4    -      -       -      +
    149C  PHE*     3.6    38.1    +      -       +      -
    151C  GLY*     1.3    74.7    -      -       -      +
    153C  ILE*     1.3    68.8    +      -       +      +
    155C  MSE      3.3     3.1    +      -       -      +
    156C  TRP*     2.9    66.7    +      -       +      +
----------------------------------------------------------
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Residues in contact with ILE 153 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    145C  THR*     3.5    22.4    -      -       +      -
    146C  PRO*     3.7    17.9    -      -       +      -
    148C  ASN*     4.3     3.8    -      -       -      +
    149C  PHE*     3.2    31.9    +      -       +      +
    152C  MSE      1.3    88.4    -      -       +      +
    154C  PRO*     1.3    70.5    -      -       +      +
    156C  TRP*     3.1    32.3    +      -       +      +
    157C  MSE      3.4    11.7    +      -       +      +
    222C  VAL*     3.7    40.6    -      -       +      -
----------------------------------------------------------
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Residues in contact with PRO 154 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    145C  THR*     3.8    28.0    -      -       +      +
    149C  PHE      3.4    13.9    -      -       -      +
    150C  PRO*     3.3    20.6    -      -       +      +
    151C  GLY      3.6     8.7    -      -       -      +
    153C  ILE*     1.3    90.1    -      -       +      +
    155C  MSE      1.3    51.1    +      -       -      +
    157C  MSE      3.2     4.5    +      -       +      +
    158C  PHE*     2.8    46.4    +      -       +      +
    168C  PHE*     4.9     1.0    -      -       -      -
    170C  LEU*     3.7    30.7    -      -       +      -
    180C  PRO*     4.7     3.6    -      -       +      -
    183C  LEU*     4.7     4.7    -      -       +      -
----------------------------------------------------------
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Residues in contact with MSE 155 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     70C  PHE*     4.0    12.6    -      -       -      -
     74C  LEU*     3.8    17.9    -      -       -      -
    100C  ILE*     3.7    23.1    -      -       +      +
    103C  GLY*     3.5    40.4    -      -       -      +
    104C  LEU      3.8     2.2    -      -       -      -
    106C  VAL*     3.9     3.5    -      -       -      +
    107C  CYS*     4.0     5.6    -      -       -      -
    151C  GLY*     3.2    38.9    +      -       -      +
    152C  MSE      3.3     4.4    +      -       -      +
    153C  ILE      3.2     0.8    -      -       -      -
    154C  PRO*     1.3    74.1    -      -       -      +
    156C  TRP*     1.3    68.5    +      -       -      +
    157C  MSE      3.0     2.5    +      -       -      -
    158C  PHE*     3.7    28.0    -      -       +      -
    159C  ALA*     3.1    26.3    +      -       -      +
    183C  LEU*     4.0    16.8    -      -       +      -
----------------------------------------------------------
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Residues in contact with TRP 156 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    102C  ARG*     4.7     8.9    +      -       -      +
    106C  VAL*     3.6    30.6    -      -       +      +
    152C  MSE      2.9    61.8    +      -       +      +
    153C  ILE*     3.1    33.7    -      -       +      +
    155C  MSE      1.3    73.6    -      -       -      +
    157C  MSE      1.3    62.5    +      -       +      +
    160C  PRO*     3.1    25.3    -      -       -      +
    222C  VAL*     4.3    22.4    -      -       +      -
    245C  PHE*     6.0     3.8    -      +       +      -
----------------------------------------------------------
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Residues in contact with MSE 157 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    143C  GLY*     3.6    26.5    -      -       -      -
    144C  ILE      3.6    20.9    -      -       -      +
    145C  THR*     3.7    23.6    -      -       +      -
    153C  ILE*     3.8     7.0    -      -       +      +
    154C  PRO*     3.2     5.7    +      -       -      +
    155C  MSE      3.0     0.2    -      -       -      -
    156C  TRP*     1.3    84.0    -      -       +      +
    158C  PHE*     1.3    66.6    +      -       -      +
    159C  ALA      3.3     0.6    +      -       -      -
    160C  PRO*     3.6     5.4    -      -       -      +
    161C  ALA*     3.3    22.9    +      -       -      +
    168C  PHE*     3.7    15.8    -      -       +      -
    220C  SER*     3.5    33.7    -      -       -      +
    222C  VAL*     3.6    31.0    -      -       +      +
    243C  GLN*     5.2     2.7    -      -       -      +
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Residues in contact with PHE 158 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     67C  PHE*     4.3     6.7    -      +       -      -
     70C  PHE*     4.1    20.2    -      +       -      -
    107C  CYS*     5.0     0.2    -      -       -      -
    154C  PRO*     2.8    32.5    +      -       +      +
    155C  MSE      3.7    30.3    -      -       +      -
    157C  MSE      1.3    71.4    -      -       -      +
    159C  ALA*     1.3    65.0    +      -       +      +
    162C  ILE*     3.0    41.2    +      -       +      +
    168C  PHE*     3.5    32.8    -      -       +      -
    170C  LEU*     5.2     5.4    -      -       +      -
    183C  LEU*     4.5    14.6    -      -       +      -
    187C  MSE      4.0    23.6    -      -       +      -
    197C  LEU*     3.9    31.2    -      -       +      -
----------------------------------------------------------
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Residues in contact with ALA 159 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     67C  PHE*     3.3    26.2    -      -       +      -
    106C  VAL*     4.0     9.9    -      -       +      -
    107C  CYS*     4.2    14.6    -      -       -      +
    110C  VAL*     3.9    13.0    -      -       +      -
    155C  MSE      3.1    16.2    +      -       -      +
    158C  PHE*     1.3    80.1    -      -       +      +
    160C  PRO*     1.3    66.8    -      -       +      +
    163C  ALA*     2.9    30.8    +      -       -      +
----------------------------------------------------------
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Residues in contact with PRO 160 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    106C  VAL*     3.9     9.9    -      -       +      -
    109C  PHE*     6.2     2.2    -      -       +      -
    110C  VAL*     3.7    17.0    -      -       +      -
    113C  ILE*     6.0     0.4    -      -       +      -
    156C  TRP      3.1    27.8    -      -       -      +
    157C  MSE      3.6     6.1    -      -       -      +
    159C  ALA*     1.3    89.6    -      -       +      +
    161C  ALA*     1.3    65.0    +      -       -      +
    163C  ALA*     4.3     1.6    -      -       +      -
    164C  CYS*     3.0    35.4    +      -       -      -
----------------------------------------------------------
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Residues in contact with ALA 161 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    141C  GLY*     5.9     1.6    -      -       -      -
    157C  MSE      3.3    18.2    +      -       -      +
    158C  PHE      4.0     1.1    -      -       -      +
    160C  PRO*     1.3    79.8    -      -       -      +
    162C  ILE*     1.3    61.4    +      -       -      +
    164C  CYS*     3.5     1.8    +      -       -      -
    166C  ASN*     2.8    45.0    +      -       +      +
    168C  PHE*     3.6    29.8    -      -       +      -
----------------------------------------------------------
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Residues in contact with ILE 162 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     55C  TRP*     2.9    36.9    +      -       +      +
     67C  PHE*     3.9    13.7    -      -       +      -
    158C  PHE*     3.0    40.2    +      -       +      +
    161C  ALA*     1.3    73.1    -      -       -      +
    163C  ALA*     1.3    66.6    +      -       -      +
    164C  CYS      3.1     1.8    -      -       -      -
    165C  GLY      3.0     5.5    +      -       -      -
    166C  ASN      3.6     7.4    -      -       -      +
    168C  PHE*     4.0    14.1    -      -       +      -
    187C  MSE      4.2     5.6    -      -       +      -
    192C  LEU*     3.7    26.9    -      -       +      -
    196C  ILE*     3.8    15.5    -      -       +      +
    197C  LEU*     3.7    30.3    -      -       +      -
----------------------------------------------------------
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Residues in contact with ALA 163 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     63C  ARG*     2.9    32.1    +      -       +      +
     67C  PHE*     3.7    15.8    -      -       +      -
    110C  VAL*     3.6    25.8    -      -       +      +
    113C  ILE*     3.4    28.6    -      -       +      +
    159C  ALA      2.9    20.8    +      -       -      +
    160C  PRO      4.0     2.9    -      -       -      +
    162C  ILE*     1.3    76.2    -      -       -      +
    164C  CYS*     1.3    57.4    +      -       -      +
----------------------------------------------------------
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Residues in contact with CYS 164 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     63C  ARG*     3.9     4.1    +      -       -      -
    113C  ILE*     4.0    18.4    -      -       -      -
    117C  GLN*     3.0    34.9    +      -       -      +
    137C  PRO*     3.7    15.8    -      -       +      +
    160C  PRO*     3.0    28.9    +      -       -      +
    161C  ALA*     4.7     0.4    -      -       -      -
    162C  ILE      3.1     0.4    -      -       -      -
    163C  ALA*     1.3    76.4    -      -       -      +
    165C  GLY*     1.3    57.3    +      -       -      +
    166C  ASN*     3.6    17.5    -      -       -      +
----------------------------------------------------------
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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