Contacts of the helix formed by residues 780 - 798 (chain S) in PDB entry 4US1


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 HIS 780 (chain S).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    762S  GLU*     3.7    43.5    +      -       +      +
    763S  TRP*     3.4    25.4    -      -       -      +
    764S  HIS*     3.8     8.4    -      -       +      +
    779S  LEU*     1.3    73.2    -      -       -      +
    781S  PRO*     1.4    70.0    -      -       +      +
    782S  ILE*     3.0    45.0    +      -       +      +
    783S  GLU*     3.0     4.7    +      -       +      +
    784S  ILE*     2.9    23.0    +      -       -      +
   1038S  PRO*     3.5    27.2    +      -       +      +
   1039S  GLY      3.4    24.7    -      -       -      -
   1041S  ARG      5.1     2.3    +      -       -      -
   1043S  SER*     4.2     7.3    +      -       -      -
----------------------------------------------------------
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Residues in contact with PRO 781 (chain S). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    779S  LEU      3.6     5.8    -      -       -      +
    780S  HIS*     1.4    89.3    -      -       -      +
    782S  ILE*     1.4    59.2    +      -       -      +
    784S  ILE*     4.4     5.2    -      -       +      -
    785S  ALA*     3.3    23.0    +      -       -      +
    854S  ARG*     3.8    29.6    -      -       -      +
    857S  GLU*     3.9    19.3    -      -       +      +
    858S  ILE*     3.7    25.1    -      -       +      +
    861S  VAL*     4.6     2.4    -      -       -      +
   1037S  SER*     4.2     2.9    -      -       -      +
   1038S  PRO*     3.7    16.8    -      -       +      -
   1039S  GLY      3.7    21.3    -      -       -      +
   1040S  VAL*     4.8     2.2    -      -       +      -
----------------------------------------------------------
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Residues in contact with ILE 782 (chain S). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    762S  GLU*     4.2     6.5    -      -       +      -
    780S  HIS*     3.0    29.2    +      -       +      +
    781S  PRO*     1.4    74.5    -      -       -      +
    783S  GLU*     1.3    58.7    +      -       -      +
    785S  ALA*     3.5     3.3    +      -       -      +
    786S  ARG*     2.9    63.5    +      -       +      +
    861S  VAL*     4.2    19.2    -      -       +      +
   1040S  VAL*     3.3    44.4    -      -       -      +
   1041S  ARG      3.6    14.8    -      -       -      +
   1042S  PRO*     3.6    12.1    -      -       +      -
----------------------------------------------------------
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Residues in contact with GLU 783 (chain S). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    761S  VAL*     3.6    16.9    -      -       +      +
    762S  GLU*     2.9    42.0    +      -       +      +
    779S  LEU*     5.9     0.4    -      -       +      -
    780S  HIS*     3.0    12.5    +      -       +      +
    782S  ILE*     1.3    78.6    -      -       -      +
    784S  ILE*     1.3    59.7    +      -       -      +
    786S  ARG*     3.2    32.6    +      -       -      +
    787S  GLN*     2.8    61.8    +      -       +      +
    982S  ARG      4.4     2.4    -      -       -      +
    987S  ILE*     3.5    30.7    -      -       +      -
----------------------------------------------------------
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Residues in contact with ILE 784 (chain S). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    775S  ASP      4.3     0.9    -      -       -      +
    776S  LEU*     3.2    35.0    -      -       +      +
    779S  LEU*     3.6    30.7    -      -       +      +
    780S  HIS      2.9    18.0    +      -       -      +
    781S  PRO*     3.9     5.8    -      -       +      +
    782S  ILE      3.4     0.2    -      -       -      -
    783S  GLU*     1.3    75.2    -      -       -      +
    785S  ALA*     1.3    54.6    +      -       -      +
    787S  GLN*     3.8     0.9    -      -       -      +
    788S  LEU*     2.8    51.4    +      -       +      +
    834S  TRP*     5.2     3.8    -      -       +      -
    835S  PHE*     5.5     0.2    -      -       +      -
    858S  ILE*     3.8    30.3    -      -       +      -
    987S  ILE*     5.1     0.4    -      -       -      -
    991S  PHE*     3.5    32.5    -      -       +      -
----------------------------------------------------------
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Residues in contact with ALA 785 (chain S). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    781S  PRO      3.3    15.8    +      -       -      +
    782S  ILE      3.8     0.2    -      -       -      +
    784S  ILE*     1.3    79.7    -      -       -      +
    786S  ARG*     1.3    53.3    +      -       -      +
    789S  THR*     2.7    36.9    +      -       -      -
    858S  ILE*     3.6    18.6    -      -       +      +
    861S  VAL*     3.5    31.9    -      -       +      -
    862S  PHE*     3.4    18.0    -      -       +      -
    865S  LEU*     4.2     2.0    -      -       -      -
----------------------------------------------------------
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Residues in contact with ARG 786 (chain S). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    759S  PRO*     3.6    31.3    +      -       -      +
    760S  THR      3.2    26.1    +      -       -      -
    761S  VAL*     4.6     0.4    -      -       -      +
    762S  GLU*     3.8     7.3    +      -       -      +
    782S  ILE*     2.9    39.9    +      -       +      +
    783S  GLU*     3.2    34.0    +      -       -      +
    785S  ALA*     1.3    73.4    -      -       -      +
    787S  GLN*     1.3    64.0    +      -       -      +
    789S  THR*     3.2     3.6    +      -       -      -
    790S  LEU*     2.9    32.3    +      -       -      +
    861S  VAL*     5.1     0.9    -      -       +      +
    865S  LEU*     4.0    16.2    -      -       +      +
    981S  LEU*     4.0    32.1    -      -       +      +
   1042S  PRO*     4.3    19.2    -      -       -      +
----------------------------------------------------------
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Residues in contact with GLN 787 (chain S). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    761S  VAL*     5.1     0.2    -      -       -      +
    783S  GLU*     2.8    47.8    +      -       +      +
    784S  ILE      4.2     0.7    -      -       -      +
    786S  ARG*     1.3    69.7    -      -       -      +
    788S  LEU*     1.4    65.3    +      -       -      +
    790S  LEU*     3.3    14.9    +      -       -      +
    791S  LEU*     3.2    27.8    +      -       -      +
    982S  ARG      2.8    27.3    +      -       -      -
    983S  VAL*     3.7     8.3    -      -       -      +
    984S  GLU*     3.0    34.1    +      -       -      +
    987S  ILE*     3.5    32.1    -      -       +      -
    988S  LYS*     4.4    10.7    -      -       -      +
    991S  PHE*     4.8     2.9    -      -       +      -
----------------------------------------------------------
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Residues in contact with LEU 788 (chain S). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    784S  ILE*     2.8    41.5    +      -       +      +
    787S  GLN*     1.4    73.9    -      -       -      +
    789S  THR*     1.3    55.8    +      -       -      +
    791S  LEU*     3.4     3.7    +      -       +      +
    792S  GLU*     3.0    44.4    +      -       -      +
    827S  HIS*     3.7    20.4    -      -       +      +
    831S  LEU*     3.5    33.2    -      -       +      -
    835S  PHE*     4.5     7.2    -      -       +      -
    862S  PHE*     3.9    23.6    -      -       +      -
    873S  GLU*     4.9     0.2    -      -       -      +
    991S  PHE*     3.6    36.1    -      -       +      -
----------------------------------------------------------
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Residues in contact with THR 789 (chain S). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    785S  ALA      2.7    24.2    +      -       -      -
    786S  ARG      3.5     4.7    -      -       -      -
    788S  LEU*     1.3    72.3    -      -       -      +
    790S  LEU*     1.3    58.7    +      -       -      +
    792S  GLU*     4.0     0.2    -      -       -      +
    793S  SER*     2.8    32.4    +      -       -      -
    862S  PHE*     3.3     8.5    -      -       -      -
    865S  LEU*     3.7    14.0    -      -       +      +
    867S  ASN*     3.0    30.7    +      -       +      +
    927S  VAL*     4.1     0.9    -      -       +      +
    979S  TYR*     3.4    44.9    -      -       +      +
    981S  LEU*     5.0     1.1    -      -       +      -
----------------------------------------------------------
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Residues in contact with LEU 790 (chain S). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    786S  ARG      2.9    14.9    +      -       -      +
    787S  GLN*     3.3    19.7    +      -       -      +
    789S  THR*     1.3    76.6    -      -       -      +
    791S  LEU*     1.3    56.5    +      -       -      +
    793S  SER*     3.3     4.8    +      -       -      -
    794S  ASP*     3.0    39.7    +      -       -      +
    979S  TYR*     4.0    28.7    -      -       +      +
    981S  LEU*     3.8    35.9    -      -       +      +
    982S  ARG      3.8    13.0    -      -       -      +
    983S  VAL*     3.8    30.1    -      -       +      -
----------------------------------------------------------
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Residues in contact with LEU 791 (chain S). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    787S  GLN      3.2    16.1    +      -       -      +
    788S  LEU*     3.7     9.0    -      -       +      +
    789S  THR      3.4     0.2    -      -       -      -
    790S  LEU*     1.3    75.3    -      -       -      +
    792S  GLU*     1.3    54.4    +      -       -      +
    794S  ASP*     3.4     8.0    +      -       +      +
    795S  LEU*     2.9    44.9    +      -       +      +
    827S  HIS*     4.1    20.6    -      -       +      +
    988S  LYS*     3.4    39.7    -      -       +      +
    991S  PHE*     3.7    30.1    -      -       +      -
    992S  GLU*     3.4    31.0    -      -       +      +
----------------------------------------------------------
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Residues in contact with GLU 792 (chain S). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    788S  LEU*     3.0    29.2    +      -       -      +
    789S  THR      4.0     2.7    -      -       -      +
    791S  LEU*     1.3    78.4    -      -       -      +
    793S  SER*     1.4    57.6    +      -       -      +
    795S  LEU*     3.9     8.0    -      -       +      +
    796S  TYR*     3.0    29.3    +      -       -      +
    824S  MET*     5.2     2.1    -      -       -      +
    827S  HIS*     2.9    30.6    +      -       +      +
    867S  ASN*     2.9    25.0    +      -       -      +
    869S  ASN*     2.8    22.1    +      -       -      +
    870S  GLY*     3.3     6.1    +      -       -      -
    873S  GLU*     2.8    29.4    -      -       -      +
    927S  VAL*     3.6    10.0    -      -       +      +
----------------------------------------------------------
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Residues in contact with SER 793 (chain S). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    789S  THR      2.8    19.9    +      -       -      -
    790S  LEU*     3.6     7.0    -      -       -      -
    791S  LEU      3.2     0.2    -      -       -      -
    792S  GLU*     1.4    72.7    -      -       -      +
    794S  ASP*     1.3    61.2    +      -       -      +
    796S  TYR*     3.3     4.6    +      -       -      +
    797S  ARG*     2.9    44.6    +      -       -      +
    926S  CYS      5.0     1.9    +      -       -      -
    927S  VAL*     3.7    18.6    -      -       -      +
    977S  GLN      5.0     3.1    +      -       -      -
    978S  PRO*     5.3     0.5    -      -       -      +
    979S  TYR*     3.6    25.7    +      -       -      -
----------------------------------------------------------
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Residues in contact with ASP 794 (chain S). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    790S  LEU*     3.0    22.9    +      -       -      +
    791S  LEU*     3.6     8.2    -      -       +      +
    793S  SER*     1.3    75.1    +      -       -      +
    795S  LEU*     1.3    65.3    +      -       +      +
    797S  ARG*     3.2    21.6    +      -       -      +
    798S  ALA*     3.0    25.3    +      -       -      +
    988S  LYS*     4.5    14.0    +      -       -      +
----------------------------------------------------------
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Residues in contact with LEU 795 (chain S). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    791S  LEU*     2.9    29.5    +      -       +      +
    792S  GLU*     3.9     5.8    -      -       -      +
    794S  ASP*     1.3    76.5    -      -       +      +
    796S  TYR*     1.4    62.6    +      -       -      +
    798S  ALA*     3.5    12.6    +      -       -      +
    799S  VAL*     3.5    15.2    -      -       -      +
    820S  ASN*     4.7     2.7    -      -       +      +
    823S  LYS*     4.2    16.4    -      -       +      -
    824S  MET*     3.9    35.3    -      -       +      +
    827S  HIS*     3.6    42.6    -      -       +      +
----------------------------------------------------------
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Residues in contact with TYR 796 (chain S). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    792S  GLU      3.0    20.5    +      -       -      +
    793S  SER*     3.5     7.0    -      -       -      +
    795S  LEU*     1.4    76.6    -      -       -      +
    797S  ARG*     1.3    63.8    +      -       +      +
    798S  ALA      3.3     1.2    +      -       -      -
    799S  VAL*     3.4    11.0    +      -       -      +
    824S  MET*     4.2     9.8    -      -       +      +
    926S  CYS      4.9     3.1    -      -       -      -
    927S  VAL*     4.0     8.5    -      -       +      -
    928S  PRO*     3.6    51.7    -      -       +      +
    930S  PHE*     3.6    34.5    -      +       -      -
    933S  TYR*     4.2     5.7    -      +       -      -
    970S  GLU      4.4     0.2    +      -       -      -
    971S  ILE*     2.6    37.1    +      -       +      -
    974S  TYR*     3.8    16.7    -      -       -      +
    975S  GLN*     2.9    41.4    +      -       +      -
----------------------------------------------------------
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Residues in contact with ARG 797 (chain S). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    754S  PHE*     6.0     2.0    -      -       -      -
    793S  SER*     2.9    34.5    +      -       -      +
    794S  ASP*     3.2    18.8    +      -       -      +
    796S  TYR*     1.3    78.4    -      -       +      +
    798S  ALA*     1.3    58.7    +      -       -      +
    799S  VAL      3.3     0.4    -      -       -      -
    800S  GLN*     3.9     9.5    +      -       -      -
    974S  TYR      5.2     0.7    -      -       -      +
    975S  GLN*     3.1    54.0    +      -       -      +
    976S  ASN      3.7    17.1    +      -       -      -
    977S  GLN      4.6     6.4    +      -       -      -
    978S  PRO*     3.7    29.2    -      -       -      +
----------------------------------------------------------
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Residues in contact with ALA 798 (chain S). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    794S  ASP      3.0    16.2    +      -       -      +
    795S  LEU*     3.8     9.2    -      -       +      +
    796S  TYR      3.3     0.6    -      -       -      -
    797S  ARG*     1.3    75.1    -      -       -      +
    799S  VAL*     1.4    61.8    +      -       -      +
    800S  GLN*     3.7    13.4    +      -       -      +
    803S  GLU*     3.8     0.5    -      -       -      +
    820S  ASN*     3.6    32.9    +      -       +      +
----------------------------------------------------------
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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