Contacts of the helix formed by residues 615 - 631 (chain A) in PDB entry 1LUF


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 SER 615 (chain A).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    613A  GLU      3.7     1.4    +      -       -      -
    614A  ALA*     1.3    77.8    -      -       -      +
    616A  ALA*     1.3    63.7    +      -       -      +
    617A  ASP*     3.6    11.5    +      -       -      +
    618A  MET*     3.1    34.5    +      -       -      +
    619A  GLN*     3.1    22.5    +      -       -      +
----------------------------------------------------------
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Residues in contact with ALA 616 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    614A  ALA      3.9     0.2    +      -       -      -
    615A  SER*     1.3    74.5    -      -       -      +
    617A  ASP*     1.3    66.8    +      -       -      +
    619A  GLN*     3.6    11.2    +      -       -      +
    620A  ALA*     3.2    21.0    +      -       -      +
----------------------------------------------------------
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Residues in contact with ASP 617 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    615A  SER*     3.2     9.2    +      -       -      +
    616A  ALA*     1.3    81.6    +      -       -      +
    618A  MET*     1.3    63.5    -      -       -      +
    619A  GLN      3.2     0.2    -      -       -      -
    620A  ALA*     3.3     7.8    +      -       -      +
    621A  ASP*     3.1    27.3    +      -       -      +
----------------------------------------------------------
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Residues in contact with MET 618 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    584A  ALA*     3.8    25.1    -      -       +      +
    585A  PHE*     3.6    28.6    -      -       +      +
    610A  LEU*     4.4     2.5    -      -       +      -
    611A  LYS*     5.0     7.4    -      -       +      +
    614A  ALA*     3.9    17.7    -      -       +      -
    615A  SER*     3.1    36.5    +      -       -      +
    617A  ASP*     1.3    77.5    -      -       -      +
    619A  GLN*     1.3    62.2    +      -       -      +
    621A  ASP*     3.3    10.1    +      -       -      +
    622A  PHE*     3.1    19.4    +      -       -      +
----------------------------------------------------------
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Residues in contact with GLN 619 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    610A  LEU*     3.8    16.1    -      -       +      +
    614A  ALA*     5.0     4.0    -      -       +      +
    615A  SER      3.1    16.8    +      -       -      +
    616A  ALA*     3.6    10.0    -      -       -      +
    617A  ASP      3.2     0.2    -      -       -      -
    618A  MET*     1.3    75.9    -      -       -      +
    620A  ALA*     1.3    66.0    +      -       -      +
    622A  PHE*     3.1     4.0    +      -       -      +
    623A  GLN*     2.9    45.2    +      -       -      +
    648A  LYS*     3.9    25.7    +      -       -      +
    650A  MET*     3.8    25.0    -      -       -      +
----------------------------------------------------------
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Residues in contact with ALA 620 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    616A  ALA      3.2    12.4    +      -       -      +
    617A  ASP*     3.3    11.2    +      -       -      +
    619A  GLN*     1.3    79.3    -      -       -      +
    621A  ASP*     1.3    60.2    +      -       -      +
    623A  GLN*     3.8    10.0    -      -       -      +
    624A  ARG*     2.8    31.4    +      -       -      +
----------------------------------------------------------
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Residues in contact with ASP 621 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    585A  PHE*     3.9    14.4    -      -       +      -
    617A  ASP      3.1    14.4    +      -       -      +
    618A  MET*     3.5    13.0    -      -       -      +
    619A  GLN      3.2     0.2    -      -       -      -
    620A  ALA*     1.3    77.4    -      -       -      +
    622A  PHE*     1.3    52.1    +      -       -      +
    624A  ARG*     3.2     6.8    +      -       -      +
    625A  GLU*     2.8    43.7    +      -       +      +
----------------------------------------------------------
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Residues in contact with PHE 622 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    585A  PHE*     3.7    35.4    -      +       +      -
    608A  LYS*     3.5    42.8    -      -       +      -
    610A  LEU*     3.8    37.9    -      -       +      -
    618A  MET      3.1    11.1    +      -       -      +
    619A  GLN      3.3     8.1    -      -       -      +
    621A  ASP*     1.3    78.1    -      -       -      +
    623A  GLN*     1.3    60.3    +      -       -      +
    625A  GLU*     3.2     5.8    +      -       +      +
    626A  ALA*     2.9    28.3    +      -       +      +
    650A  MET*     4.0    32.5    -      -       +      -
    652A  LEU*     3.5    32.4    -      -       +      +
----------------------------------------------------------
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Residues in contact with GLN 623 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    564A  LEU*     4.3     8.9    -      -       +      +
    619A  GLN*     2.9    41.5    +      -       -      +
    620A  ALA*     4.0     7.5    -      -       -      +
    622A  PHE*     1.3    74.4    -      -       -      +
    624A  ARG*     1.3    61.5    +      -       -      +
    626A  ALA*     3.3     8.0    +      -       -      +
    627A  ALA*     2.9    30.5    +      -       -      +
    645A  ALA*     5.4     5.1    +      -       -      +
    650A  MET*     3.2    35.6    -      -       +      +
----------------------------------------------------------
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Residues in contact with ARG 624 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    620A  ALA      2.8    20.3    +      -       -      +
    621A  ASP*     3.4     7.9    -      -       -      +
    623A  GLN*     1.3    76.2    -      -       -      +
    625A  GLU*     1.3    64.1    +      -       +      +
    627A  ALA*     3.4     8.1    +      -       -      +
    628A  LEU*     3.3    27.3    +      -       +      +
----------------------------------------------------------
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Residues in contact with GLU 625 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    585A  PHE*     2.8    36.7    -      -       +      -
    608A  LYS*     3.4    15.9    +      -       -      +
    621A  ASP*     2.8    29.8    +      -       +      +
    622A  PHE*     3.5     5.4    -      -       +      +
    624A  ARG*     1.3    75.2    -      -       +      +
    626A  ALA*     1.3    64.4    +      -       -      +
    628A  LEU*     3.2    12.2    +      -       +      +
    629A  MET*     3.0    28.4    +      -       +      +
    652A  LEU*     5.5     3.1    -      -       +      -
----------------------------------------------------------
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Residues in contact with ALA 626 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    564A  LEU*     3.9    17.8    -      -       +      +
    622A  PHE*     2.9    13.4    +      -       +      +
    623A  GLN*     3.3    11.6    +      -       -      +
    625A  GLU*     1.3    74.9    -      -       -      +
    627A  ALA*     1.3    57.5    -      -       -      +
    629A  MET*     3.1     6.2    +      -       -      +
    630A  ALA*     2.8    32.1    +      -       -      +
    640A  LEU*     4.0     2.6    -      -       +      +
    643A  VAL*     5.8     0.7    -      -       +      -
    652A  LEU*     3.5    38.3    -      -       +      +
----------------------------------------------------------
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Residues in contact with ALA 627 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    561A  ASN*     3.7    22.8    +      -       -      +
    564A  LEU*     4.0    13.1    -      -       +      +
    623A  GLN      2.9    17.0    +      -       -      +
    624A  ARG*     3.5     9.0    -      -       -      +
    626A  ALA*     1.3    77.9    -      -       -      +
    628A  LEU*     1.3    62.8    +      -       +      +
    630A  ALA*     3.7    10.9    +      -       -      +
    631A  GLU*     3.8    14.6    -      -       -      +
----------------------------------------------------------
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Residues in contact with LEU 628 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    624A  ARG*     3.3    15.0    +      -       +      +
    625A  GLU*     3.2    12.0    +      -       +      +
    626A  ALA      3.2     0.6    -      -       -      -
    627A  ALA*     1.3    75.0    -      -       +      +
    629A  MET*     1.3    67.6    +      -       +      +
    631A  GLU*     3.4    14.6    +      -       -      +
    632A  PHE*     3.8    20.6    -      -       +      -
    718A  ARG*     5.1     0.2    +      -       -      -
    720A  PHE*     4.2    31.6    -      -       +      -
----------------------------------------------------------
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Residues in contact with MET 629 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    625A  GLU*     3.0    20.2    +      -       +      +
    626A  ALA*     3.6    10.1    -      -       -      +
    628A  LEU*     1.3    78.9    -      -       +      +
    630A  ALA*     1.3    62.3    +      -       -      +
    632A  PHE*     2.9    52.2    +      -       +      +
    637A  ILE*     4.7     3.4    -      -       +      -
    638A  VAL*     3.5    25.1    -      -       +      +
    640A  LEU*     4.4    13.0    +      -       +      +
    652A  LEU*     6.0     0.4    -      -       +      -
    654A  PHE*     3.9    31.9    -      -       +      -
    720A  PHE*     5.6     4.0    -      -       -      -
    741A  ALA*     6.3     3.6    -      -       -      -
    742A  ASP*     6.3     1.8    -      -       -      -
----------------------------------------------------------
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Residues in contact with ALA 630 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    561A  ASN*     6.1     0.2    -      -       -      +
    563A  LYS*     3.5    40.5    +      -       +      -
    564A  LEU*     3.8    17.5    -      -       +      -
    567A  LEU*     4.1     4.6    -      -       +      +
    626A  ALA      2.8    16.3    +      -       -      +
    627A  ALA*     3.7     7.9    -      -       -      +
    628A  LEU      3.3     0.4    -      -       -      -
    629A  MET*     1.3    76.5    -      -       -      +
    631A  GLU*     1.3    62.7    +      -       -      +
    632A  PHE      3.4     4.9    +      -       -      +
    640A  LEU*     3.7    16.9    -      -       +      +
----------------------------------------------------------
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Residues in contact with GLU 631 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    561A  ASN*     5.1     3.3    +      -       -      +
    563A  LYS*     3.6    31.5    -      -       -      +
    627A  ALA      3.8    16.8    -      -       -      +
    628A  LEU*     3.4     7.4    +      -       -      +
    629A  MET      3.0     1.4    +      -       -      -
    630A  ALA*     1.3    76.6    -      -       -      +
    632A  PHE*     1.3    64.4    +      -       -      +
    633A  ASP*     3.6     5.6    +      -       -      +
    714A  TYR*     3.6     6.8    +      -       -      -
    718A  ARG*     3.3    30.1    +      -       -      +
----------------------------------------------------------
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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