Contacts of the helix formed by residues 106 - 121 (chain M) in PDB entry 5XTD


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 106 (chain M).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     81M  GLU*     2.7    25.4    +      -       -      +
    103M  LEU*     3.0    38.8    +      -       -      +
    104M  THR      3.2     0.4    -      -       -      +
    105M  ASN*     1.3    81.7    -      -       -      +
    107M  GLU*     1.3    68.3    +      -       -      +
    108M  LYS*     3.3     1.8    +      -       -      +
    109M  SER*     3.2    14.9    +      -       -      -
    110M  LYS*     3.4     8.5    +      -       -      +
----------------------------------------------------------
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Residues in contact with GLU 107 (chain M). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     55I  CYS*     5.0    12.5    -      -       +      +
    105M  ASN      3.7     2.1    +      -       -      -
    106M  SER*     1.3    76.6    +      -       -      +
    108M  LYS*     1.3    72.9    +      -       -      +
    110M  LYS*     3.0    28.0    +      -       -      +
    111M  LYS*     2.9    58.9    +      -       -      +
----------------------------------------------------------
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Residues in contact with LYS 108 (chain M). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    422A  HIS*     5.5     0.5    +      -       -      -
     81M  GLU*     3.2    28.3    +      -       +      +
     85M  ALA      4.0     7.1    +      -       -      -
     86M  PRO      3.1    28.3    +      -       -      -
     87M  LYS*     3.3    15.7    -      -       -      +
     88M  VAL*     3.8    20.9    -      -       +      +
    106M  SER*     3.2     2.2    +      -       -      +
    107M  GLU*     1.3    88.5    +      -       -      +
    109M  SER*     1.3    57.9    +      -       -      +
    111M  LYS*     3.1    13.0    +      -       +      +
    112M  ALA*     2.9    26.0    +      -       -      +
----------------------------------------------------------
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Residues in contact with SER 109 (chain M). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     79M  LEU      3.1    16.5    +      -       -      -
     80M  VAL*     3.4    16.6    -      -       -      +
     81M  GLU*     2.9    19.7    +      -       -      -
     88M  VAL*     4.9     0.4    -      -       -      -
    103M  LEU      4.6     2.7    -      -       -      -
    104M  THR      3.8     8.0    +      -       -      -
    106M  SER      3.2    11.3    +      -       -      -
    108M  LYS*     1.3    75.4    -      -       -      +
    110M  LYS*     1.3    57.5    +      -       -      +
    112M  ALA*     3.1    10.6    +      -       -      +
    113M  ARG*     2.7    56.6    +      -       -      +
----------------------------------------------------------
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Residues in contact with LYS 110 (chain M). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     54I  TYR*     5.3     8.3    -      -       +      -
     55I  CYS*     3.2    44.0    +      -       -      +
     58I  ASP*     4.5     5.5    +      -       -      -
     61I  ARG*     6.2     3.1    -      -       -      +
    105M  ASN      5.5     3.8    +      -       -      +
    106M  SER      3.4     6.3    +      -       -      +
    107M  GLU*     3.0    24.4    +      -       -      +
    109M  SER*     1.3    78.2    -      -       -      +
    111M  LYS*     1.3    59.9    +      -       -      +
    113M  ARG*     3.2    14.3    +      -       -      +
    114M  GLU*     2.9    48.9    +      -       +      +
    146M  PHE*     4.7    17.3    -      -       +      -
----------------------------------------------------------
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Residues in contact with LYS 111 (chain M). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    417A  LYS*     5.9     8.3    -      -       +      +
    418A  GLN*     4.3     5.7    +      -       +      -
    422A  HIS*     4.3     9.0    -      -       +      +
     53I  TYR*     3.2    48.9    -      -       +      +
     55I  CYS*     5.6     2.2    -      -       -      -
    107M  GLU*     2.9    36.5    +      -       -      +
    108M  LYS*     3.1    15.5    +      -       +      +
    110M  LYS*     1.3    76.6    -      -       -      +
    112M  ALA*     1.3    57.5    +      -       -      +
    114M  GLU*     3.5    13.9    +      -       -      +
    115M  GLY*     2.9    23.2    +      -       -      -
----------------------------------------------------------
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Residues in contact with ALA 112 (chain M). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    422A  HIS*     3.8    20.6    +      -       +      +
     79M  LEU*     3.6    36.9    -      -       +      +
     88M  VAL*     4.7     4.5    -      -       +      -
    108M  LYS      2.9    12.8    +      -       -      +
    109M  SER*     3.2    13.5    -      -       -      +
    111M  LYS*     1.3    75.3    -      -       -      +
    113M  ARG*     1.3    60.4    +      -       -      +
    115M  GLY*     2.7    18.2    +      -       -      -
    116M  VAL*     2.9    16.9    +      -       -      +
----------------------------------------------------------
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Residues in contact with ARG 113 (chain M). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     58M  MET*     4.8     7.2    -      -       -      +
     60M  ILE*     4.8     4.8    -      -       -      +
     61M  PRO*     3.1    43.7    -      -       -      +
     77M  MET*     3.7    34.6    +      -       +      +
     79M  LEU*     4.6     4.5    -      -       -      +
     80M  VAL*     4.1    12.7    -      -       -      +
    104M  THR*     3.6    24.7    +      -       -      -
    109M  SER*     2.7    48.8    +      -       -      +
    110M  LYS*     3.2    10.9    +      -       -      +
    112M  ALA*     1.3    75.4    -      -       +      +
    114M  GLU*     1.3    58.5    +      -       -      +
    116M  VAL*     3.0     4.9    +      -       -      +
    117M  MET*     2.9    30.4    +      -       -      +
    146M  PHE*     3.8    37.2    -      -       +      -
----------------------------------------------------------
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Residues in contact with GLU 114 (chain M). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    418A  GLN*     3.6     8.1    -      -       -      +
     53I  TYR*     3.1    30.9    -      -       +      +
     54I  TYR*     3.5    26.4    +      -       +      +
     55I  CYS*     4.1     5.2    +      -       -      +
    110M  LYS*     2.9    40.6    +      -       +      +
    111M  LYS*     3.5    14.9    +      -       -      +
    112M  ALA      3.1     0.2    -      -       -      -
    113M  ARG*     1.3    76.1    -      -       +      +
    115M  GLY*     1.3    58.4    +      -       -      +
    118M  GLU*     3.0    38.5    +      -       +      +
    146M  PHE*     5.6     1.6    -      -       +      -
    147M  GLY*     4.2    26.7    -      -       -      +
    148M  ASN*     4.3     8.5    -      -       -      +
----------------------------------------------------------
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Residues in contact with GLY 115 (chain M). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    384A  PRO*     5.9     1.1    -      -       -      -
    418A  GLN*     3.3    31.4    -      -       -      -
    422A  HIS*     4.6     5.4    -      -       -      -
    111M  LYS      2.9     8.7    +      -       -      -
    112M  ALA      2.7    10.9    +      -       -      -
    114M  GLU*     1.3    78.4    -      -       -      +
    116M  VAL*     1.3    58.5    +      -       -      -
    119M  PHE*     2.9    34.4    +      -       -      -
----------------------------------------------------------
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Residues in contact with VAL 116 (chain M). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    383A  THR*     4.6    13.4    -      -       +      +
    384A  PRO*     5.8     6.3    -      -       +      -
     63M  PHE*     4.3     4.0    -      -       +      -
     75M  CYS*     5.1     0.9    -      -       -      -
     76M  ARG*     3.2    29.6    -      -       +      +
     77M  MET*     3.6    29.4    -      -       +      +
     79M  LEU*     4.7     4.0    -      -       +      -
    112M  ALA      2.9    17.0    +      -       -      +
    113M  ARG*     3.0     6.9    +      -       -      +
    115M  GLY*     1.3    77.4    -      -       -      +
    117M  MET*     1.3    59.6    +      -       -      +
    119M  PHE*     3.0    22.5    +      -       -      +
    120M  LEU*     3.0    37.5    +      -       +      +
----------------------------------------------------------
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Residues in contact with MET 117 (chain M). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     63M  PHE*     4.2    21.1    -      -       +      -
     77M  MET*     4.8     7.9    -      -       +      -
    113M  ARG      2.9    14.8    +      -       -      +
    116M  VAL*     1.3    75.5    -      -       -      +
    118M  GLU*     1.3    65.9    -      -       -      +
    119M  PHE      3.2     0.7    +      -       -      -
    120M  LEU*     4.4     9.6    -      -       -      +
    121M  LEU*     3.4    54.7    +      -       +      +
    139M  LEU*     4.2     8.5    -      -       +      +
    142M  GLN*     3.2    36.8    -      -       +      +
    143M  SER*     3.5     9.0    -      -       -      +
    146M  PHE*     3.6    15.7    -      -       +      +
    147M  GLY*     3.9    17.0    -      -       -      +
    376Q  GLU*     4.1     2.8    -      -       -      +
----------------------------------------------------------
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Residues in contact with GLU 118 (chain M). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    414A  GLU*     5.5     0.2    -      -       -      +
    418A  GLN*     3.9    25.8    -      -       -      +
    114M  GLU*     3.0    26.6    +      -       +      +
    116M  VAL      3.2     0.2    -      -       -      -
    117M  MET*     1.3    77.1    -      -       -      +
    119M  PHE*     1.3    66.9    +      -       +      +
    121M  LEU*     4.1     1.7    -      -       -      +
    122M  ALA*     3.4    20.6    +      -       -      +
    147M  GLY      4.1     0.5    -      -       -      -
    148M  ASN*     3.1    49.3    +      -       -      +
    150M  ARG      4.4     6.9    -      -       -      +
    151M  SER*     4.9     2.6    -      -       -      -
    152M  ARG*     4.4    25.2    +      -       -      +
    376Q  GLU*     3.7    15.2    -      -       -      +
----------------------------------------------------------
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Residues in contact with PHE 119 (chain M). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    383A  THR*     4.8     5.6    -      -       +      +
    384A  PRO*     3.8    33.7    -      -       +      -
    387A  GLU*     3.1    42.5    -      -       +      +
    388A  GLY*     5.1     4.3    -      -       -      -
    391A  TRP*     5.5     5.6    -      +       -      -
    415A  ILE*     4.1    31.6    -      -       +      -
    418A  GLN*     3.1    53.6    -      -       +      -
    419A  ILE*     4.7     2.5    -      -       +      -
    115M  GLY      2.9    17.3    -      -       -      -
    116M  VAL*     3.0     7.2    +      -       -      +
    118M  GLU*     1.3    84.5    -      -       +      +
    120M  LEU*     1.3    68.0    +      -       -      +
    121M  LEU      3.1     1.8    -      -       -      -
    122M  ALA*     3.0    12.9    +      -       +      +
    152M  ARG*     5.5     1.8    -      -       -      -
----------------------------------------------------------
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Residues in contact with LEU 120 (chain M). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    383A  THR*     3.4    35.4    -      -       +      +
    386A  ARG*     5.3     2.0    -      -       -      +
    387A  GLU*     5.6     0.3    -      -       -      -
     63M  PHE*     3.7    38.4    -      -       +      -
     75M  CYS*     4.9     4.5    -      -       -      -
    116M  VAL*     3.0    32.0    +      -       +      +
    117M  MET*     3.6    11.2    +      -       -      +
    119M  PHE*     1.3    77.1    -      -       -      +
    121M  LEU*     1.3    67.2    +      -       +      +
    122M  ALA      3.3     0.6    +      -       -      -
    123M  ASN*     4.1     1.6    +      -       -      +
    124M  HIS*     3.7    18.7    +      -       -      +
    139M  LEU*     4.9    12.9    -      -       +      +
    177M  ILE*     4.8    22.4    -      -       +      +
    178M  GLN*     6.0     0.4    -      -       -      +
----------------------------------------------------------
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Residues in contact with LEU 121 (chain M). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    117M  MET*     3.4    38.4    +      -       +      +
    118M  GLU      4.1     1.8    -      -       -      +
    119M  PHE      3.1     0.6    -      -       -      -
    120M  LEU*     1.3    78.1    -      -       -      +
    122M  ALA*     1.3    64.0    +      -       -      +
    123M  ASN      3.1     4.2    +      -       -      -
    124M  HIS*     3.7    21.5    +      -       +      -
    139M  LEU*     3.6    30.3    -      -       +      -
    143M  SER*     3.9     4.9    -      -       -      +
    151M  SER*     5.8     3.8    -      -       -      -
    153M  PHE*     5.9     0.7    -      -       -      +
    157M  LYS*     3.9    10.6    +      -       -      -
    375Q  MET*     4.2    11.1    -      -       +      +
    376Q  GLU*     3.5    41.7    -      -       +      +
    379Q  ILE*     3.8    20.0    -      -       +      -
----------------------------------------------------------
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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