Contacts of the helix formed by residues 990 - 1001 (chain C) in PDB entry 4UN0


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 PRO 990 (chain C).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    833C  GLU*     4.1    35.7    -      -       +      +
    930C  PHE*     3.9    17.0    -      -       +      -
    988C  PHE      3.6     7.0    -      -       -      +
    989C  ILE*     1.3    92.4    -      -       +      +
    991C  SER*     1.3    60.4    +      -       -      +
    992C  ALA*     4.5     3.4    -      -       +      +
    993C  ALA*     3.1    14.8    +      -       +      +
    994C  LEU*     2.8    26.2    +      -       -      +
   1019C  PHE*     5.3     0.4    -      -       +      -
----------------------------------------------------------
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Residues in contact with SER 991 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    983C  ARG*     5.7     1.2    +      -       -      +
    989C  ILE      3.7     1.7    +      -       -      -
    990C  PRO*     1.3    72.7    -      -       -      +
    992C  ALA*     1.3    60.9    +      -       -      +
    994C  LEU*     3.5     5.7    +      -       -      +
    995C  ASP*     2.8    37.7    +      -       -      +
----------------------------------------------------------
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Residues in contact with ALA 992 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    833C  GLU*     5.9     1.8    -      -       -      +
    837C  LYS*     6.0     2.9    -      -       -      +
    990C  PRO*     3.3     3.5    -      -       +      +
    991C  SER*     1.3    78.9    -      -       -      +
    993C  ALA*     1.3    62.0    +      -       -      +
    994C  LEU      3.6     0.2    +      -       -      -
    995C  ASP*     3.6    16.7    +      -       -      +
    996C  LEU*     3.8     3.5    +      -       -      +
   1017C  SER*     5.8     0.3    -      -       -      -
   1018C  ASP*     4.0    26.6    +      -       +      +
   1019C  PHE*     3.5    25.7    +      -       +      +
----------------------------------------------------------
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Residues in contact with ALA 993 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    926C  LEU*     4.3     4.9    -      -       +      +
    930C  PHE*     4.0    11.4    -      -       +      -
    989C  ILE*     3.5    15.7    -      -       +      +
    990C  PRO*     3.1    15.7    +      -       +      +
    992C  ALA*     1.3    79.8    -      -       -      +
    994C  LEU*     1.3    63.3    +      -       -      +
    996C  LEU*     3.3     6.2    +      -       -      +
    997C  LEU*     3.2    19.9    +      -       -      +
   1019C  PHE*     3.5    39.9    -      -       +      -
----------------------------------------------------------
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Residues in contact with LEU 994 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    982C  LEU*     4.0    12.1    -      -       +      -
    983C  ARG*     3.8    45.5    +      -       +      +
    986C  PHE*     3.6    41.3    -      -       +      +
    987C  SER*     5.0     2.2    -      -       -      -
    989C  ILE*     3.5    11.4    -      -       +      +
    990C  PRO      2.8    15.6    +      -       -      +
    991C  SER*     4.0     6.1    -      -       -      +
    993C  ALA*     1.3    74.6    -      -       -      +
    995C  ASP*     1.3    60.2    +      -       -      +
    997C  LEU*     3.8    17.0    -      -       +      -
    998C  ASP*     2.9    29.3    +      -       -      +
----------------------------------------------------------
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Residues in contact with ASP 995 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    983C  ARG*     3.2    29.6    +      -       -      +
    991C  SER*     2.8    23.3    +      -       -      +
    992C  ALA*     3.7    12.6    -      -       -      +
    993C  ALA      3.2     0.6    -      -       -      -
    994C  LEU*     1.3    78.2    -      -       -      +
    996C  LEU*     1.3    59.0    -      -       -      +
    998C  ASP*     3.9     0.2    -      -       -      +
    999C  HIS*     3.2    41.0    +      -       +      -
   1017C  SER*     6.2     1.3    -      -       -      -
   1018C  ASP*     6.0     3.1    -      -       +      +
----------------------------------------------------------
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Residues in contact with LEU 996 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    840C  MET*     5.4     2.9    -      -       +      -
    926C  LEU*     3.6    20.4    -      -       +      -
    992C  ALA      3.8     7.1    +      -       -      +
    993C  ALA      3.3     8.6    +      -       -      +
    994C  LEU      3.2     0.2    -      -       -      -
    995C  ASP*     1.3    77.2    -      -       -      +
    997C  LEU*     1.3    59.5    +      -       -      +
    998C  ASP      3.1     0.2    -      -       -      -
    999C  HIS*     3.1     4.4    +      -       -      -
   1000C  MET*     2.9    64.0    +      -       +      +
   1009C  CYS*     5.3     5.6    -      -       -      -
   1014C  THR*     3.9    20.4    -      -       +      +
   1017C  SER*     3.9    21.7    -      -       -      +
   1019C  PHE*     4.5     7.2    -      -       +      -
   1020C  LEU*     3.4    28.9    -      -       +      -
----------------------------------------------------------
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Residues in contact with LEU 997 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    923C  GLY*     3.3    28.3    -      -       -      +
    926C  LEU*     3.8    15.9    -      -       +      +
    927C  GLY*     3.6    14.6    -      -       -      +
    935C  ILE*     5.5     0.2    -      -       +      -
    982C  LEU*     4.2     4.6    -      -       +      +
    986C  PHE*     3.7    43.1    -      -       +      -
    989C  ILE*     3.7    16.4    -      -       +      -
    993C  ALA      3.2    13.3    +      -       -      +
    994C  LEU*     3.4    13.9    +      -       +      +
    996C  LEU*     1.3    78.8    -      -       -      +
    998C  ASP*     1.3    60.7    +      -       -      +
   1000C  MET*     3.7     1.7    +      -       -      -
   1001C  LEU*     3.3    42.4    +      -       +      +
----------------------------------------------------------
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Residues in contact with ASP 998 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    980C  ARG*     2.7    62.5    +      -       -      +
    982C  LEU*     3.8    18.4    -      -       +      +
    983C  ARG*     3.2    36.4    +      -       -      +
    994C  LEU      2.9    18.4    +      -       -      +
    995C  ASP      3.9     2.5    -      -       -      +
    997C  LEU*     1.3    78.9    -      -       -      +
    999C  HIS*     1.3    68.7    +      -       +      +
   1001C  LEU      3.6     2.1    +      -       -      -
   1002C  THR*     3.3     7.8    -      -       -      +
----------------------------------------------------------
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Residues in contact with HIS 999 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    983C  ARG*     4.5     6.7    +      -       -      -
    995C  ASP*     3.2    28.0    +      -       +      +
    996C  LEU*     3.1     6.0    +      -       -      +
    998C  ASP*     1.3    92.3    +      -       -      +
   1000C  MET*     1.3    63.6    +      -       -      +
   1002C  THR*     3.3    24.6    +      -       +      +
   1009C  CYS*     3.5    42.6    +      -       -      +
----------------------------------------------------------
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Residues in contact with MET1000 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    840C  MET*     5.3     4.7    -      -       -      -
    844C  MET*     4.0    25.6    -      -       +      -
    919C  VAL*     4.1    16.1    -      -       +      +
    920C  TRP*     3.9    12.5    -      -       -      -
    922C  CYS*     4.4     7.2    -      -       +      +
    923C  GLY*     3.8    31.0    -      -       -      -
    926C  LEU*     4.0     9.4    -      -       -      -
    996C  LEU*     2.9    48.6    +      -       +      +
    997C  LEU      4.1     3.6    -      -       -      +
    999C  HIS*     1.3    79.9    -      -       -      +
   1001C  LEU*     1.3    57.8    +      -       -      +
   1002C  THR      3.3     3.8    +      -       -      -
   1008C  ARG*     3.5    22.3    -      -       -      -
   1009C  CYS*     4.7     0.9    -      -       +      -
   1014C  THR*     3.6    29.8    -      -       +      -
----------------------------------------------------------
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Residues in contact with LEU1001 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    920C  TRP*     3.4    46.0    -      -       +      +
    923C  GLY*     3.9    23.8    -      -       -      +
    924C  CYS*     4.0     6.3    -      -       -      +
    935C  ILE*     4.3    13.9    -      -       +      -
    936C  PHE*     4.9     3.1    -      -       +      -
    951C  LEU*     5.2     2.5    -      -       +      -
    952C  CYS*     3.7    12.7    -      -       -      -
    980C  ARG*     3.1    22.0    +      -       -      -
    982C  LEU*     3.8    21.8    -      -       +      -
    986C  PHE*     5.9     1.1    -      -       +      -
    997C  LEU*     3.3    43.6    +      -       +      +
    999C  HIS      3.3     0.6    -      -       -      -
   1000C  MET*     1.3    77.9    -      -       -      +
   1002C  THR*     1.3    58.4    +      -       -      -
   1003C  LEU      3.9     0.3    +      -       -      -
----------------------------------------------------------
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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