Contacts of the helix formed by residues 27 - 44 (chain D) in PDB entry 5HP1


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 THR 27 (chain D).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    380C  ILE*     4.1    27.8    -      -       +      -
    384C  GLY      3.5    12.8    -      -       -      +
    385C  LYS*     5.3     2.2    -      -       -      -
    386C  THR*     6.0     0.2    -      -       -      +
     26D  LEU*     1.3    76.5    -      -       -      +
     28D  GLU*     1.3    65.4    +      -       -      +
     29D  GLU*     3.5    14.1    +      -       -      +
     30D  LYS*     3.1    32.4    +      -       +      +
     31D  ILE*     3.0    21.5    +      -       -      +
    404D  GLU*     4.0    19.1    -      -       -      +
----------------------------------------------------------
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Residues in contact with GLU 28 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    319C  TYR*     5.3     3.3    +      -       -      -
    383C  TRP      4.5     5.7    -      -       -      +
    384C  GLY*     2.8    21.9    +      -       -      +
    385C  LYS*     5.2     8.5    -      -       +      +
     27D  THR*     1.3    72.5    -      -       -      +
     29D  GLU*     1.3    64.8    +      -       -      +
     31D  ILE*     3.4     2.6    +      -       -      +
     32D  LYS*     3.0    54.8    +      -       +      +
    135D  ILE*     3.7    32.6    -      -       +      +
----------------------------------------------------------
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Residues in contact with GLU 29 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     27D  THR*     3.5    16.2    +      -       -      +
     28D  GLU*     1.3    81.4    -      -       -      +
     30D  LYS*     1.3    60.8    +      -       +      +
     32D  LYS*     3.5     8.8    +      -       -      +
     33D  ALA*     3.1    28.4    +      -       -      +
     64D  LYS*     5.2     1.7    +      -       -      -
     71D  TRP*     3.6    39.7    +      -       +      +
    404D  GLU*     4.2    15.9    -      -       -      +
----------------------------------------------------------
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Residues in contact with LYS 30 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     26D  LEU*     4.2    22.9    -      -       +      -
     27D  THR*     3.1    30.3    +      -       +      +
     29D  GLU*     1.3    82.7    -      -       +      +
     31D  ILE*     1.3    61.2    +      -       -      +
     33D  ALA*     3.3     6.0    +      -       -      +
     34D  LEU*     3.0    34.6    +      -       -      +
     61D  PHE*     4.2     4.0    -      -       +      -
     62D  ALA*     2.5    47.2    +      -       +      +
     63D  ILE*     4.7     1.2    -      -       -      +
     71D  TRP*     4.3    15.7    -      -       +      -
    403D  THR*     3.6    29.8    +      -       -      -
    404D  GLU*     3.3    26.9    +      -       -      +
----------------------------------------------------------
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Residues in contact with ILE 31 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     26D  LEU*     3.6    36.8    -      -       +      +
     27D  THR      3.0    14.9    +      -       -      +
     28D  GLU*     3.9     4.9    -      -       -      +
     30D  LYS*     1.3    75.2    -      -       -      +
     32D  LYS*     1.3    64.9    +      -       +      +
     34D  LEU*     3.3     5.4    +      -       -      +
     35D  VAL*     2.9    36.5    +      -       +      +
    132D  ILE*     4.6     2.5    -      -       +      -
    133D  PRO*     3.7    31.6    -      -       +      +
    134D  SER*     4.0     5.2    -      -       -      -
    135D  ILE*     3.8    35.2    -      -       +      +
----------------------------------------------------------
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Residues in contact with LYS 32 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     28D  GLU*     3.0    51.9    +      -       +      +
     29D  GLU*     3.8     7.6    -      -       -      +
     31D  ILE*     1.3    78.8    -      -       +      +
     33D  ALA*     1.3    63.1    +      -       -      +
     35D  VAL*     3.5     4.9    +      -       -      +
     36D  GLU*     3.2    25.1    +      -       -      +
    135D  ILE*     5.7     2.2    -      -       -      +
----------------------------------------------------------
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Residues in contact with ALA 33 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     29D  GLU      3.1    16.3    +      -       -      +
     30D  LYS      3.7     4.7    -      -       -      +
     31D  ILE      3.3     0.2    -      -       -      -
     32D  LYS*     1.3    78.1    -      -       -      +
     34D  LEU*     1.3    57.2    +      -       -      +
     36D  GLU*     4.0     5.3    -      -       -      +
     37D  ILE*     3.0    36.1    +      -       +      +
     62D  ALA*     4.3     6.1    -      -       +      -
     71D  TRP*     3.3    48.0    -      -       +      -
----------------------------------------------------------
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Residues in contact with LEU 34 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     26D  LEU*     3.6    31.6    -      -       +      -
     30D  LYS      3.0    17.0    +      -       -      +
     31D  ILE*     3.9     4.3    -      -       -      +
     33D  ALA*     1.3    74.4    -      -       -      +
     35D  VAL*     1.3    58.6    +      -       -      +
     37D  ILE*     4.4     2.5    -      -       +      -
     38D  CYS*     2.7    42.5    +      -       -      +
     60D  VAL*     4.0    17.9    -      -       +      -
     61D  PHE*     3.6    31.2    -      -       -      +
     62D  ALA*     4.3     7.4    -      -       +      -
     73D  LYS*     3.7    33.9    -      -       +      -
    132D  ILE*     4.3    18.6    -      -       +      -
----------------------------------------------------------
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Residues in contact with VAL 35 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     31D  ILE*     2.9    30.0    +      -       +      +
     32D  LYS*     4.0     4.7    -      -       -      +
     34D  LEU*     1.3    76.4    -      -       -      +
     36D  GLU*     1.3    58.9    +      -       -      +
     38D  CYS*     3.8     0.9    -      -       -      +
     39D  THR*     2.9    42.0    +      -       -      +
    132D  ILE*     4.1    27.1    -      -       +      -
----------------------------------------------------------
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Residues in contact with GLU 36 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     32D  LYS      3.2    14.4    +      -       -      +
     33D  ALA*     4.0     6.0    -      -       -      +
     35D  VAL*     1.3    81.7    -      -       -      +
     37D  ILE*     1.3    68.9    +      -       +      +
     39D  THR*     3.2     8.0    +      -       -      +
     40D  GLU*     3.1    22.8    +      -       +      +
----------------------------------------------------------
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Residues in contact with ILE 37 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     33D  ALA*     3.0    28.2    +      -       +      +
     34D  LEU*     3.8     5.6    -      -       +      +
     36D  GLU*     1.3    81.5    -      -       +      +
     38D  CYS*     1.3    60.4    +      -       -      +
     40D  GLU*     3.3     7.0    +      -       -      +
     41D  MET*     2.9    46.5    +      -       +      +
     62D  ALA*     5.6     0.4    -      -       +      -
     71D  TRP*     3.8    34.1    -      -       +      +
     72D  ARG      4.4     0.7    -      -       -      +
     73D  LYS*     4.2    33.9    -      -       +      +
----------------------------------------------------------
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Residues in contact with CYS 38 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     34D  LEU*     2.7    30.2    +      -       -      +
     35D  VAL*     4.0     2.0    -      -       -      +
     37D  ILE*     1.3    71.5    -      -       -      +
     39D  THR*     1.3    60.1    +      -       -      +
     41D  MET*     3.7     3.3    -      -       -      +
     42D  GLU*     2.9    31.2    +      -       -      +
     47D  ILE*     3.8    15.2    -      -       +      +
     73D  LYS*     4.3    18.6    -      -       -      -
    130D  PHE*     3.9    24.9    -      -       -      -
    132D  ILE*     3.5    27.8    -      -       +      -
    144D  TYR*     4.4    11.1    -      -       +      +
----------------------------------------------------------
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Residues in contact with THR 39 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     35D  VAL*     2.9    30.5    +      -       -      +
     36D  GLU*     3.2     8.4    +      -       -      +
     38D  CYS*     1.3    75.7    -      -       -      +
     40D  GLU*     1.3    64.2    +      -       -      +
     42D  GLU*     3.2    11.4    +      -       -      +
     43D  LYS*     3.0    53.6    +      -       +      +
    144D  TYR*     5.4     2.7    +      -       -      -
----------------------------------------------------------
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Residues in contact with GLU 40 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     36D  GLU*     3.1    10.8    +      -       +      +
     37D  ILE*     3.7     8.5    -      -       -      +
     39D  THR*     1.3    82.0    -      -       -      +
     41D  MET*     1.3    62.8    +      -       +      +
     43D  LYS*     3.5    18.9    +      -       -      +
     44D  GLU*     3.2    53.0    +      -       -      +
----------------------------------------------------------
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Residues in contact with MET 41 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     37D  ILE*     2.9    38.0    +      -       +      +
     38D  CYS*     3.8     7.0    -      -       -      +
     39D  THR      3.2     0.4    -      -       -      -
     40D  GLU*     1.3    77.9    -      -       +      +
     42D  GLU*     1.3    61.7    +      -       -      +
     44D  GLU*     3.2     8.9    +      -       -      +
     45D  GLY      3.2     3.1    +      -       -      -
     46D  LYS*     3.0    55.7    +      -       +      +
     47D  ILE*     3.7    17.6    +      -       +      -
     73D  LYS*     4.2    15.5    -      -       -      -
    116D  PHE*     4.0    21.8    -      -       +      -
    146D  TYR*     3.8    32.1    -      -       +      +
----------------------------------------------------------
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Residues in contact with GLU 42 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     38D  CYS      2.9    17.8    +      -       -      +
     39D  THR*     3.7     8.1    -      -       -      +
     41D  MET*     1.3    76.0    -      -       -      +
     43D  LYS*     1.3    64.2    +      -       -      +
     45D  GLY*     3.1    13.3    +      -       -      -
     47D  ILE*     3.6    23.4    -      -       +      +
     48D  SER*     4.7     4.2    -      -       -      -
     49D  LYS*     3.1    51.9    +      -       -      +
    144D  TYR*     4.0    13.7    +      -       +      -
----------------------------------------------------------
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Residues in contact with LYS 43 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     39D  THR*     3.0    41.1    +      -       +      +
     40D  GLU*     3.7    22.9    -      -       -      +
     42D  GLU*     1.3    77.2    -      -       +      +
     44D  GLU*     1.3    61.1    +      -       +      +
     45D  GLY      3.4     0.7    +      -       -      -
----------------------------------------------------------
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Residues in contact with GLU 44 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     40D  GLU*     3.2    43.1    +      -       -      +
     41D  MET*     3.2     7.9    +      -       -      +
     42D  GLU      3.1     0.8    -      -       -      -
     43D  LYS*     1.3    79.0    -      -       +      +
     45D  GLY*     1.3    56.6    +      -       -      +
     46D  LYS*     3.2    48.6    +      -       +      +
----------------------------------------------------------
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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