Contacts of the helix formed by residues 1605 - 1616 (chain D) in PDB entry 5EK0


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 ARG1605 (chain D).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1649A  ILE*     3.8    16.2    +      -       -      +
   1653A  GLN*     2.8    45.0    +      -       -      +
   1521D  MET*     3.1    69.9    +      -       +      +
   1524D  GLU*     3.1    17.1    +      -       -      -
   1540D  ASN*     5.2     1.0    -      -       -      +
   1602D  ARG*     3.2    45.1    +      -       -      +
   1604D  ALA*     1.4    78.8    -      -       -      +
   1606D  ILE*     1.4    67.3    +      -       +      +
   1607D  GLY      3.3     0.9    +      -       -      -
   1608D  ARG*     3.3    30.5    +      -       -      +
   1609D  ILE      3.9     0.2    +      -       -      -
   1806D  5P2      3.5    35.6    +      -       -      +
----------------------------------------------------------
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Residues in contact with ILE1606 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1646A  ILE*     3.8    20.6    -      -       +      -
   1649A  ILE*     3.6    21.1    -      -       +      -
   1650A  MET*     3.6    38.4    -      -       +      -
   1653A  GLN*     3.5    24.7    -      -       -      +
   1521D  MET*     4.2     0.2    -      -       -      -
   1603D  LEU*     3.3    24.7    +      -       +      +
   1604D  ALA      3.2     0.2    -      -       -      -
   1605D  ARG*     1.4    80.5    -      -       +      +
   1607D  GLY*     1.3    53.2    +      -       -      +
   1608D  ARG      3.3     0.2    -      -       -      -
   1609D  ILE*     2.9    10.3    +      -       +      +
   1610D  LEU*     2.7    43.8    +      -       +      +
----------------------------------------------------------
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Residues in contact with GLY1607 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1574D  VAL*     3.4    31.1    -      -       -      +
   1577D  ILE*     5.0     8.7    -      -       -      -
   1603D  LEU      4.5     0.6    +      -       -      -
   1604D  ALA*     3.2    12.9    +      -       -      +
   1605D  ARG      3.2     1.8    -      -       -      -
   1606D  ILE*     1.3    78.0    -      -       -      +
   1608D  ARG*     1.3    59.9    +      -       -      +
   1609D  ILE      3.3     0.7    +      -       -      -
   1610D  LEU*     3.4    17.3    +      -       -      +
   1611D  ARG      3.5     6.6    +      -       -      -
----------------------------------------------------------
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Residues in contact with ARG1608 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1514D  ILE*     3.2    22.3    -      -       -      +
   1517D  ASN*     2.8    26.1    +      -       -      +
   1521D  MET*     3.5    18.4    -      -       -      -
   1540D  ASN*     2.8    33.1    +      -       -      -
   1544D  ILE*     3.5    22.8    -      -       -      +
   1547D  PHE*     4.0    25.7    -      -       +      -
   1574D  VAL*     3.8    14.6    -      -       +      +
   1575D  VAL*     6.0     0.9    -      -       +      -
   1578D  SER*     3.3    30.8    +      -       -      +
   1604D  ALA      4.5     0.4    +      -       -      -
   1605D  ARG*     3.3    16.3    +      -       -      +
   1606D  ILE      3.3     0.4    -      -       -      -
   1607D  GLY*     1.3    75.7    -      -       -      +
   1609D  ILE*     1.3    60.3    +      -       +      +
   1611D  ARG*     3.7    10.8    -      -       -      +
   1806D  5P2      2.9    34.8    +      -       -      -
----------------------------------------------------------
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Residues in contact with ILE1609 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1646A  ILE*     3.8    33.4    -      -       +      +
   1649A  ILE*     4.4     8.1    -      -       +      -
   1514D  ILE*     3.5    21.1    -      -       +      +
   1517D  ASN*     3.7    12.3    -      -       +      +
   1518D  MET*     3.4    53.8    -      -       +      +
   1521D  MET*     3.8    21.5    -      -       +      -
   1605D  ARG      3.9     0.2    +      -       -      -
   1606D  ILE*     2.9    20.4    +      -       -      +
   1608D  ARG*     1.3    78.4    -      -       -      +
   1610D  LEU*     1.3    61.6    +      -       -      +
   1611D  ARG      3.1     2.2    -      -       -      -
   1612D  LEU*     3.2    27.4    +      -       +      +
----------------------------------------------------------
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Residues in contact with LEU1610 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1643A  PHE*     6.0     7.4    -      -       +      -
   1646A  ILE*     4.8    19.0    -      -       +      +
   1570D  PHE*     4.1    23.6    -      -       +      -
   1606D  ILE*     2.7    29.5    +      -       +      +
   1607D  GLY*     3.4    11.9    +      -       -      +
   1609D  ILE*     1.3    68.0    -      -       -      +
   1611D  ARG*     1.3    58.0    +      -       -      +
   1612D  LEU*     3.0    11.8    +      -       -      +
   1613D  VAL*     3.3    38.6    +      -       +      +
   1614D  THR*     4.3     0.6    +      -       +      -
----------------------------------------------------------
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Residues in contact with ARG1611 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1510D  ILE*     3.8    19.2    -      -       -      +
   1514D  ILE*     3.9    23.2    -      -       +      +
   1547D  PHE*     3.7    23.0    -      -       -      +
   1550D  GLU*     2.8    44.0    +      -       -      -
   1554D  ARG*     4.3     0.6    -      -       -      +
   1570D  PHE*     3.6    22.6    -      -       +      -
   1571D  ASP*     3.0    37.7    +      -       -      +
   1574D  VAL*     3.7    27.3    -      -       +      +
   1575D  VAL*     6.3     0.4    -      -       -      +
   1607D  GLY      3.5     4.3    +      -       -      +
   1608D  ARG*     3.7    15.4    +      -       -      +
   1609D  ILE      3.1     0.2    -      -       -      -
   1610D  LEU*     1.3    76.1    -      -       -      +
   1612D  LEU*     1.4    50.9    +      -       -      +
   1613D  VAL      3.3     0.4    -      -       -      -
   1614D  THR*     3.6     7.0    -      -       -      +
   1615D  ALA*     2.7    44.0    +      -       -      +
----------------------------------------------------------
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Residues in contact with LEU1612 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1642A  LEU*     3.8    30.3    -      -       +      -
   1803A  PX4      4.7    10.3    -      -       +      -
   1511D  ILE*     5.3     1.8    -      -       +      +
   1514D  ILE*     3.8    28.2    -      -       +      +
   1515D  VAL*     4.4    21.3    -      -       +      +
   1518D  MET*     3.7    34.8    -      -       +      -
   1609D  ILE*     3.2    23.9    +      -       +      +
   1610D  LEU      3.0     2.4    +      -       -      +
   1611D  ARG*     1.4    76.6    -      -       -      +
   1613D  VAL*     1.3    60.9    +      -       -      +
   1615D  ALA*     4.8     2.0    -      -       -      -
   1616D  VAL*     3.2    45.4    +      -       +      +
   1619D  MET*     4.1     2.1    -      -       -      +
----------------------------------------------------------
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Residues in contact with VAL1613 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1639A  LEU*     3.8    26.2    -      -       +      -
   1642A  LEU*     3.7    22.6    -      -       +      +
   1643A  PHE*     4.2    14.6    -      -       +      -
   1646A  ILE*     5.6     2.7    -      -       +      -
   1610D  LEU*     3.3    30.5    +      -       +      +
   1612D  LEU*     1.3    77.6    -      -       -      +
   1614D  THR*     1.3    69.0    +      -       +      +
   1616D  VAL      3.5     1.7    -      -       -      +
   1619D  MET*     3.2    12.1    -      -       +      +
   1620D  ARG*     3.1    28.2    +      -       -      -
   1623D  VAL*     3.9    21.8    -      -       +      -
----------------------------------------------------------
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Residues in contact with THR1614 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1567D  TRP*     3.8    35.2    -      -       +      +
   1570D  PHE*     3.3    41.4    -      -       +      -
   1571D  ASP*     3.7     7.8    +      -       -      -
   1610D  LEU      4.8     0.2    -      -       -      +
   1611D  ARG*     3.3     9.2    +      -       -      +
   1613D  VAL*     1.3    88.3    -      -       +      +
   1615D  ALA*     1.3    59.3    +      -       -      +
   1620D  ARG*     2.9    31.1    +      -       -      +
   1623D  VAL*     6.1     2.9    -      -       +      -
----------------------------------------------------------
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Residues in contact with ALA1615 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1507D  THR*     4.9     1.6    +      -       -      -
   1510D  ILE*     5.7     2.0    -      -       +      -
   1511D  ILE*     3.4    17.1    -      -       +      +
   1514D  ILE*     3.9    24.5    -      -       +      -
   1571D  ASP*     5.0     4.9    -      -       -      +
   1611D  ARG*     2.7    34.5    +      -       -      +
   1612D  LEU*     4.6     0.9    -      -       -      +
   1614D  THR*     1.3    73.5    +      -       -      +
   1616D  VAL*     1.3    62.3    +      -       -      +
   1617D  PRO*     3.3     5.9    -      -       -      +
   1620D  ARG*     3.3    16.3    +      -       -      +
----------------------------------------------------------
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Residues in contact with VAL1616 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1803A  PX4      5.2    10.5    -      -       +      -
   1511D  ILE*     4.0    28.0    -      -       +      -
   1514D  ILE*     6.3     0.4    -      -       +      -
   1612D  LEU*     3.2    36.3    +      -       +      +
   1613D  VAL      3.5     2.4    -      -       -      +
   1615D  ALA*     1.3    74.2    -      -       -      +
   1617D  PRO*     1.4    65.9    -      -       +      +
   1618D  GLN*     2.9    36.3    +      -       +      +
   1619D  MET*     3.2    16.6    +      -       +      -
   1620D  ARG*     3.1    20.8    +      -       -      +
----------------------------------------------------------
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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