Contacts of the helix formed by residues 389 - 398 (chain A) in PDB entry 3PDC


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 GLY 389 (chain A).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    388A  PRO*     1.3    71.0    -      -       -      +
    390A  VAL*     1.3    64.7    +      -       -      +
    391A  ALA      3.6     0.9    -      -       -      -
    392A  GLU*     2.9    30.7    +      -       -      +
    393A  ALA*     3.2    21.3    +      -       -      +
    459A  ARG*     6.1     0.2    -      -       -      +
    466A  ARG*     3.3     1.8    -      -       -      +
----------------------------------------------------------
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Residues in contact with VAL 390 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    384A  TYR*     3.5    36.0    +      -       +      +
    387A  GLU*     3.3    39.6    +      -       +      +
    388A  PRO      3.3     3.3    -      -       -      +
    389A  GLY*     1.3    78.1    -      -       -      +
    391A  ALA*     1.3    63.4    +      -       -      +
    392A  GLU      3.1     0.6    +      -       -      -
    393A  ALA*     3.5    10.5    +      -       -      +
    394A  GLU*     3.8     7.1    +      -       -      +
----------------------------------------------------------
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Residues in contact with ALA 391 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    384A  TYR*     3.6    28.0    -      -       +      +
    385A  PHE*     3.7    33.4    -      -       +      +
    387A  GLU      4.4     1.6    +      -       -      -
    390A  VAL*     1.3    79.1    -      -       -      +
    392A  GLU*     1.3    60.7    +      -       -      +
    394A  GLU*     3.7     2.1    +      -       -      +
    395A  LEU*     3.0    45.0    +      -       +      +
    462A  LEU*     4.0     8.1    -      -       +      -
----------------------------------------------------------
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Residues in contact with GLU 392 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    388A  PRO*     4.2     0.2    -      -       -      +
    389A  GLY*     2.9    24.9    +      -       -      +
    390A  VAL      3.1     0.6    -      -       -      -
    391A  ALA*     1.3    79.3    +      -       -      +
    393A  ALA*     1.3    58.1    +      -       -      +
    395A  LEU*     3.2     2.4    +      -       -      -
    396A  GLU*     2.8    61.1    +      -       -      +
    458A  PHE*     4.7     0.2    -      -       -      -
    459A  ARG*     3.7    27.5    -      -       +      +
    462A  LEU*     3.1    23.2    -      -       +      +
    466A  ARG*     2.8    43.2    +      -       -      -
----------------------------------------------------------
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Residues in contact with ALA 393 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    389A  GLY      3.2    13.1    +      -       -      +
    390A  VAL*     3.5     5.8    +      -       -      +
    392A  GLU*     1.3    79.0    -      -       -      +
    394A  GLU*     1.3    57.2    +      -       -      +
    396A  GLU*     3.9     4.1    -      -       -      +
    397A  GLN*     3.0    30.4    +      -       -      +
----------------------------------------------------------
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Residues in contact with GLU 394 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    384A  TYR*     2.7    35.4    +      -       -      +
    390A  VAL      3.8     3.5    +      -       -      +
    391A  ALA*     3.7     6.9    +      -       -      +
    392A  GLU      3.1     0.4    -      -       -      -
    393A  ALA*     1.3    77.9    -      -       -      +
    395A  LEU*     1.3    69.1    +      -       -      +
    397A  GLN*     3.0    35.1    +      -       -      +
    398A  ASN      4.1     0.2    +      -       -      -
    402A  THR*     3.9     6.4    +      -       -      -
    425A  GLY      4.9     0.2    -      -       -      +
    426A  GLY*     3.4     6.7    -      -       -      -
    427A  LEU*     2.9    32.1    +      -       -      +
    428A  PHE*     3.0    36.5    +      -       +      +
    429A  VAL*     4.1     4.2    +      -       -      +
----------------------------------------------------------
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Residues in contact with LEU 395 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
      1A  ZYI      5.8     0.7    -      -       +      -
    265A  PHE*     4.5     7.6    -      -       +      -
    385A  PHE*     4.5     9.4    -      -       +      -
    391A  ALA*     3.0    29.9    +      -       +      +
    392A  GLU      4.0     0.9    -      -       -      +
    394A  GLU*     1.3    83.8    -      -       -      +
    396A  GLU*     1.3    57.1    +      -       -      +
    399A  LEU*     3.2    16.3    -      -       -      +
    402A  THR*     3.2    41.7    +      -       +      +
    406A  LEU*     4.4    11.9    -      -       +      -
    427A  LEU*     5.6     8.1    -      -       +      -
    428A  PHE*     4.5     8.5    -      -       +      -
    458A  PHE*     3.5    37.0    -      -       +      -
    462A  LEU*     3.8    28.0    -      -       +      -
----------------------------------------------------------
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Residues in contact with GLU 396 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    392A  GLU*     2.8    43.2    +      -       -      +
    393A  ALA*     4.3     3.2    -      -       -      +
    395A  LEU*     1.3    71.4    -      -       -      +
    397A  GLN*     1.3    65.6    +      -       -      +
    398A  ASN*     3.3     3.8    +      -       -      -
    399A  LEU*     3.9    19.3    -      -       +      +
    453A  PHE      5.6     1.1    -      -       -      +
    457A  GLY*     4.4     9.1    -      -       -      -
    458A  PHE*     3.2    40.0    +      -       +      +
    459A  ARG*     4.0     1.6    +      -       -      +
----------------------------------------------------------
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Residues in contact with GLN 397 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    393A  ALA      3.0    18.3    +      -       -      +
    394A  GLU*     3.0    28.1    +      -       -      +
    396A  GLU*     1.3    76.2    -      -       -      +
    398A  ASN*     1.3    65.7    +      -       +      +
    401A  ARG*     4.0    19.4    +      -       -      -
    428A  PHE*     5.6     3.1    -      -       -      +
----------------------------------------------------------
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Residues in contact with ASN 398 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    394A  GLU      4.1     2.2    +      -       -      -
    396A  GLU      3.3     0.2    -      -       -      -
    397A  GLN*     1.3    89.0    +      -       +      +
    399A  LEU*     1.3    59.2    +      -       -      +
    400A  SER*     3.6    10.4    +      -       -      -
    401A  ARG*     3.1    46.0    +      -       +      +
    402A  THR*     2.5    39.6    +      -       -      +
    433A  GLU*     5.0     5.5    +      -       -      -
----------------------------------------------------------
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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