Contacts of the helix formed by residues 328 - 340 (chain A) in PDB entry 1L0V


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 LEU 328 (chain A).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    114A  ARG*     5.7     8.7    -      -       -      +
    129A  ASP*     3.9    28.9    -      -       +      +
    244A  THR*     4.9    10.5    -      -       +      -
    246A  GLY*     4.9     2.9    -      -       -      -
    247A  CYS*     4.8    17.5    -      -       -      +
    250A  GLU*     4.7    22.2    -      -       +      +
    323A  LYS      3.2     7.8    +      -       -      +
    324A  LEU*     3.5     9.2    +      -       -      +
    327A  ARG*     1.3    95.4    -      -       +      +
    329A  PRO*     1.4    67.6    -      -       -      +
    330A  PHE      3.6     1.6    -      -       -      -
    331A  ILE*     3.8    12.9    +      -       +      -
    332A  CYS*     3.2    21.7    +      -       -      +
----------------------------------------------------------
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Residues in contact with PRO 329 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    129A  ASP*     4.5     8.1    -      -       -      +
    325A  HIS      3.8    14.3    -      -       -      +
    326A  GLU      3.4    17.7    -      -       -      +
    327A  ARG      2.8    22.0    -      -       -      +
    328A  LEU*     1.4    76.2    -      -       +      +
    330A  PHE*     1.3    70.2    +      -       -      +
    332A  CYS*     3.0     4.0    +      -       +      +
    333A  GLU*     2.8    34.9    +      -       +      +
----------------------------------------------------------
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Residues in contact with PHE 330 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     47A  ALA*     6.5     0.4    -      -       -      -
     49A  GLU*     3.3    27.4    -      -       +      +
    129A  ASP*     4.1    22.8    +      -       -      +
    130A  LYS*     5.3    11.7    -      -       +      -
    328A  LEU      3.6     0.4    -      -       -      -
    329A  PRO*     1.3    77.8    -      -       -      +
    331A  ILE*     1.3    51.5    +      -       -      +
    333A  GLU*     2.5    40.3    +      -       +      +
    334A  LEU*     2.5    38.1    +      -       +      +
     59B  MET*     3.5    30.7    -      -       +      -
     60B  ALA*     3.7    12.1    -      -       +      -
     61B  ILE*     3.8    22.7    -      -       +      -
    216B  LYS*     3.1    28.5    -      -       -      -
----------------------------------------------------------
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Residues in contact with ILE 331 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     49A  GLU*     4.0    12.1    -      -       -      +
    129A  ASP*     4.2    12.2    +      -       -      +
    242A  LEU      4.2    11.2    -      -       -      +
    243A  MET*     4.3    26.2    -      -       -      -
    244A  THR*     4.4    19.1    -      -       +      +
    247A  CYS*     4.4    18.6    -      -       -      -
    316A  LEU*     5.1     4.3    -      -       +      -
    328A  LEU*     3.8    16.5    +      -       +      +
    329A  PRO      3.4     0.4    -      -       -      -
    330A  PHE*     1.3    76.6    -      -       -      +
    332A  CYS*     1.3    59.3    +      -       +      +
    334A  LEU*     2.6    28.8    +      -       +      -
    335A  ALA*     2.6    33.1    +      -       +      -
    343A  PRO*     5.2     1.6    -      -       +      -
    348A  ILE*     4.7    11.0    -      -       +      -
----------------------------------------------------------
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Residues in contact with CYS 332 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    324A  LEU*     3.6    16.6    -      -       -      +
    325A  HIS*     3.4    34.5    -      -       +      -
    328A  LEU      3.2    16.6    +      -       -      +
    329A  PRO*     3.0     5.9    +      -       +      +
    331A  ILE*     1.3    81.2    -      -       -      +
    333A  GLU*     1.3    51.4    +      -       +      +
    335A  ALA*     4.1     0.3    -      -       -      +
    336A  LYS*     2.6    43.2    +      -       +      +
    343A  PRO*     3.6    38.6    -      -       -      -
    344A  VAL*     4.5     2.7    -      -       -      -
----------------------------------------------------------
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Residues in contact with GLU 333 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    329A  PRO*     2.8    23.7    +      -       +      +
    330A  PHE*     2.5    30.4    +      -       +      +
    332A  CYS*     1.3    71.2    -      -       +      +
    334A  LEU*     1.3    64.9    +      -       -      +
    336A  LYS*     3.3     7.4    +      -       +      +
    337A  ALA*     2.8    28.2    +      -       -      +
     78B  LYS*     5.0    13.8    +      -       -      +
    215B  PRO      4.9     5.7    -      -       -      +
    216B  LYS*     5.0     4.9    +      -       -      -
    217B  HIS*     4.4    24.4    +      -       -      -
----------------------------------------------------------
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Residues in contact with LEU 334 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     49A  GLU*     3.9     9.2    -      -       -      +
    236A  LEU*     5.0     1.6    -      -       -      -
    241A  ILE*     4.2     4.3    -      -       +      -
    242A  LEU      4.2     8.1    -      -       -      +
    243A  MET*     4.3     9.0    -      -       +      -
    330A  PHE*     2.5    33.9    +      -       +      +
    331A  ILE*     2.6    30.8    +      -       +      +
    333A  GLU*     1.3    71.5    -      -       -      +
    335A  ALA*     1.3    57.9    +      -       -      +
    337A  ALA*     3.6     1.8    -      -       -      +
    338A  TYR*     2.9    64.7    +      -       +      +
     59B  MET*     3.6    44.4    -      -       +      +
----------------------------------------------------------
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Residues in contact with ALA 335 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    236A  LEU*     4.9     0.2    -      -       -      -
    243A  MET*     4.5     7.1    -      -       -      +
    331A  ILE*     2.6    18.7    +      -       +      +
    334A  LEU*     1.3    70.1    -      -       -      +
    336A  LYS*     1.3    66.1    +      -       -      +
    339A  VAL*     2.8    34.8    +      -       +      +
    340A  GLY      3.2     3.6    +      -       -      -
    341A  VAL*     3.3     6.3    +      -       +      +
    343A  PRO*     3.7    27.1    -      -       +      -
    348A  ILE*     4.1    21.5    -      -       +      -
----------------------------------------------------------
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Residues in contact with LYS 336 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    325A  HIS*     4.7    13.9    +      -       +      +
    332A  CYS      2.6    26.8    +      -       -      +
    333A  GLU*     3.3     8.7    +      -       +      +
    335A  ALA*     1.3    77.9    -      -       -      +
    337A  ALA*     1.3    58.6    +      -       -      +
    340A  GLY*     2.8    27.0    -      -       -      -
    341A  VAL      3.3    18.8    -      -       -      +
    342A  ASP*     3.4    31.1    +      -       -      +
    343A  PRO*     4.3     5.6    -      -       +      -
     82B  ARG*     5.6     1.6    +      -       -      -
----------------------------------------------------------
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Residues in contact with ALA 337 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    333A  GLU      2.8    22.2    +      -       -      +
    334A  LEU*     3.7     2.7    -      -       -      +
    336A  LYS*     1.3    75.7    -      -       -      +
    338A  TYR*     1.3    71.1    +      -       +      +
    339A  VAL      3.6     0.4    +      -       -      -
    340A  GLY*     4.4     1.7    +      -       -      -
     78B  LYS*     5.0    18.2    -      -       +      +
     80B  PHE*     3.5    34.4    -      -       +      -
     82B  ARG*     4.2    11.3    +      -       -      +
----------------------------------------------------------
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Residues in contact with TYR 338 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    236A  LEU*     3.9    15.0    -      -       +      -
    237A  PRO      5.7     0.2    -      -       -      +
    239A  SER*     5.0     8.5    +      -       -      +
    241A  ILE*     3.3    29.2    -      -       +      -
    308A  ARG*     2.8    14.3    +      -       -      -
    334A  LEU*     2.9    49.4    +      -       +      +
    337A  ALA*     1.3    81.1    -      -       +      +
    339A  VAL*     1.3    60.9    +      -       -      +
    340A  GLY      3.6     0.4    -      -       -      -
     33B  THR*     4.9     8.1    -      -       -      -
     35B  SER*     5.5     2.0    -      -       -      -
     58B  ARG      3.6     9.7    +      -       -      -
     59B  MET*     3.3    23.4    -      -       -      -
     60B  ALA*     3.7     5.5    +      -       +      +
     77B  CYS*     2.8    31.5    +      -       -      -
     78B  LYS*     4.4     3.6    -      -       +      +
     80B  PHE*     3.9    21.1    -      +       -      -
----------------------------------------------------------
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Residues in contact with VAL 339 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    236A  LEU*     3.8    37.0    -      -       +      -
    237A  PRO*     4.4     7.2    -      -       +      +
    239A  SER*     5.8     0.2    -      -       -      +
    308A  ARG*     2.9    36.4    +      -       -      +
    335A  ALA*     2.8    32.3    -      -       +      +
    338A  TYR*     1.3    81.6    -      -       -      +
    340A  GLY*     1.3    70.0    +      -       -      +
    341A  VAL*     3.5    15.2    -      -       +      +
    348A  ILE*     4.7     0.9    -      -       +      -
    349A  PRO*     4.1    23.8    -      -       +      -
----------------------------------------------------------
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Residues in contact with GLY 340 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    335A  ALA      3.2     0.6    +      -       -      -
    336A  LYS      2.8    21.4    +      -       -      -
    337A  ALA      4.3     2.5    +      -       -      -
    338A  TYR      3.6     0.8    -      -       -      -
    339A  VAL*     1.3    83.7    -      -       -      +
    341A  VAL*     1.3    63.9    +      -       -      +
    346A  GLU*     4.9     1.6    -      -       -      +
     82B  ARG*     6.1     2.0    -      -       -      -
----------------------------------------------------------
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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