Contacts of the helix formed by residues 345 - 363 (chain A) in PDB entry 3NA0


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 ASN 345 (chain A).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    341A  GLU*     3.0    32.4    +      -       -      +
    342A  MET      3.2     7.7    -      -       -      +
    344A  ARG*     1.3    95.8    +      -       -      +
    346A  LEU*     1.3    60.9    +      -       -      +
    347A  LYS*     3.3     2.9    -      -       +      -
    348A  VAL*     3.3    21.3    +      -       +      +
    349A  GLN      3.0    21.5    +      -       -      -
    434A  ASN*     4.3    13.0    -      -       -      +
    435A  PHE*     3.4    31.3    +      -       +      +
----------------------------------------------------------
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Residues in contact with LEU 346 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    342A  MET      3.8     6.3    -      -       -      +
    343A  ALA      3.9    13.5    -      -       -      +
    344A  ARG      3.9     1.2    +      -       -      -
    345A  ASN*     1.3    72.3    -      -       -      +
    347A  LYS*     1.3    59.2    +      -       +      +
    349A  GLN*     3.3    25.8    +      -       -      +
    350A  ASP*     2.9    37.0    +      -       -      +
    485A  VAL      3.7    13.2    -      -       -      +
    486A  GLU*     4.6    21.8    -      -       +      +
----------------------------------------------------------
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Residues in contact with LYS 347 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    345A  ASN*     3.3     0.8    -      -       +      -
    346A  LEU*     1.3    76.5    -      -       +      +
    348A  VAL*     1.3    64.6    +      -       +      +
    350A  ASP*     3.2    14.4    +      -       -      +
    351A  MET*     3.0    35.0    +      -       -      +
----------------------------------------------------------
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Residues in contact with VAL 348 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    341A  GLU      5.8     0.2    -      -       -      +
    342A  MET*     5.8     1.3    -      -       +      -
    345A  ASN*     3.6    21.3    -      -       +      +
    347A  LYS*     1.3    77.4    -      -       +      +
    349A  GLN*     1.3    65.0    +      -       -      +
    351A  MET*     3.3    16.5    +      -       +      +
    352A  LEU*     3.1    31.5    +      -       +      +
    376A  LEU*     6.0     1.3    -      -       +      -
    435A  PHE*     3.9    37.2    -      -       +      +
    436A  ASP*     5.5     0.7    -      -       -      -
    437A  PRO*     3.9    29.6    -      -       +      -
----------------------------------------------------------
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Residues in contact with GLN 349 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    342A  MET*     3.0    58.6    -      -       +      +
    345A  ASN      3.0     6.9    +      -       -      -
    346A  LEU*     3.5    16.9    -      -       -      +
    348A  VAL*     1.3    76.3    -      -       -      +
    350A  ASP*     1.3    62.9    +      -       -      +
    352A  LEU*     3.2     3.2    +      -       -      +
    353A  ARG*     2.9    59.7    +      -       -      +
    480A  LEU*     4.2     1.4    -      -       +      +
    484A  ARG*     3.6     3.2    -      -       -      +
    485A  VAL*     3.0    45.2    -      -       -      +
----------------------------------------------------------
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Residues in contact with ASP 350 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    346A  LEU*     2.9    26.3    +      -       -      +
    347A  LYS*     3.4    15.4    -      -       -      +
    349A  GLN*     1.3    74.0    -      -       -      +
    351A  MET*     1.3    62.1    +      -       +      +
    353A  ARG*     3.4    18.3    +      -       -      +
    354A  ALA*     3.1    23.7    +      -       -      +
    484A  ARG*     5.3     8.1    +      -       -      -
----------------------------------------------------------
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Residues in contact with MET 351 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    347A  LYS*     3.0    19.0    +      -       -      +
    348A  VAL*     3.3    19.5    +      -       +      +
    350A  ASP*     1.3    75.3    -      -       +      +
    352A  LEU*     1.3    58.5    +      -       -      +
    354A  ALA*     3.4     7.5    +      -       -      +
    355A  GLU*     3.0    27.7    +      -       -      +
    376A  LEU*     3.4    30.1    -      -       +      +
    437A  PRO*     6.2     1.6    -      -       +      -
    438A  THR*     4.1    22.7    -      -       +      -
----------------------------------------------------------
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Residues in contact with LEU 352 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    338A  HIS*     4.2     4.7    -      -       -      +
    342A  MET*     4.0    23.1    -      -       +      -
    348A  VAL*     3.1    33.4    +      -       +      +
    349A  GLN*     3.7     4.3    -      -       -      +
    351A  MET*     1.3    74.9    -      -       -      +
    353A  ARG*     1.3    65.0    +      -       -      +
    355A  GLU*     3.3     7.0    +      -       -      +
    356A  VAL*     3.1    25.8    +      -       -      +
    376A  LEU*     3.4    50.9    -      -       +      +
    377A  LEU*     3.7    12.8    -      -       +      +
    380A  SER*     3.9    20.0    -      -       -      +
    435A  PHE*     5.0     1.1    -      -       +      -
    437A  PRO*     5.1     0.7    -      -       +      -
    480A  LEU*     3.9    15.5    -      -       +      -
----------------------------------------------------------
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Residues in contact with ARG 353 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    349A  GLN*     2.9    42.7    +      -       -      +
    350A  ASP*     3.7    23.6    +      -       -      +
    352A  LEU*     1.3    75.5    -      -       -      +
    354A  ALA*     1.3    57.6    +      -       -      +
    356A  VAL*     3.0     4.4    +      -       +      +
    357A  LEU*     2.9    43.7    +      -       +      +
    480A  LEU*     2.8    49.7    +      -       +      +
    483A  PHE      2.5    29.1    +      -       -      -
    484A  ARG*     3.7    18.6    -      -       -      +
    485A  VAL*     5.2     0.2    -      -       -      +
    514A  PHE*     3.5    33.1    -      -       -      -
----------------------------------------------------------
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Residues in contact with ALA 354 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    350A  ASP      3.1    17.2    +      -       -      +
    351A  MET*     3.6     7.6    -      -       -      +
    353A  ARG*     1.3    74.6    -      -       -      +
    355A  GLU*     1.3    62.9    +      -       -      +
    357A  LEU*     4.0     8.7    -      -       -      +
    358A  ALA*     3.0    26.2    +      -       -      +
----------------------------------------------------------
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Residues in contact with GLU 355 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    351A  MET      3.0    13.8    +      -       -      +
    352A  LEU*     3.6    10.2    -      -       -      +
    353A  ARG      3.2     0.2    -      -       -      -
    354A  ALA*     1.3    78.3    -      -       -      +
    356A  VAL*     1.3    55.5    +      -       -      +
    358A  ALA*     3.6     5.3    -      -       +      +
    359A  ALA*     2.9    28.8    +      -       -      +
    373A  LEU      3.9    10.7    -      -       -      +
    374A  VAL*     3.2    19.7    -      -       -      +
    375A  PRO*     3.1    14.8    -      -       +      +
    376A  LEU*     2.8    32.5    +      -       +      +
    377A  LEU*     2.9    28.4    +      -       -      +
----------------------------------------------------------
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Residues in contact with VAL 356 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    352A  LEU      3.1    14.3    +      -       -      +
    353A  ARG*     3.0    11.0    +      -       -      +
    355A  GLU*     1.3    74.4    -      -       +      +
    357A  LEU*     1.3    61.4    +      -       +      +
    359A  ALA*     3.2     5.1    +      -       -      -
    360A  ARG*     2.8    28.8    +      -       -      +
    370A  MET*     3.6     3.8    -      -       +      +
    374A  VAL*     3.9    18.2    -      -       +      -
    377A  LEU*     3.9    22.0    -      -       +      -
    477A  ILE*     3.8    26.2    -      -       +      +
    480A  LEU*     4.3    13.5    -      -       +      -
    481A  GLU*     3.7    27.4    -      -       +      -
----------------------------------------------------------
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Residues in contact with LEU 357 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    353A  ARG*     2.9    28.0    +      -       +      +
    354A  ALA*     4.0     7.4    -      -       -      +
    356A  VAL*     1.3    72.1    -      -       +      +
    358A  ALA*     1.3    66.4    +      -       -      +
    360A  ARG*     3.4     6.7    +      -       +      +
    361A  HIS*     3.1    22.9    +      -       -      +
    481A  GLU*     4.4    24.2    -      -       +      +
    514A  PHE*     3.8    37.7    -      -       +      -
----------------------------------------------------------
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Residues in contact with ALA 358 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    354A  ALA      3.0    19.4    +      -       -      +
    355A  GLU*     3.6     5.8    -      -       -      +
    357A  LEU*     1.3    75.1    -      -       -      +
    359A  ALA*     1.3    58.5    +      -       -      +
    361A  HIS*     3.3     7.3    +      -       -      +
    362A  GLN*     2.8    32.7    +      -       -      +
----------------------------------------------------------
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Residues in contact with ALA 359 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    355A  GLU      2.9    18.6    +      -       -      +
    356A  VAL      3.2     4.7    +      -       -      +
    358A  ALA*     1.3    75.5    -      -       -      +
    360A  ARG*     1.3    63.1    +      -       -      +
    362A  GLN*     4.5     3.1    -      -       -      -
    363A  ALA*     3.0    28.1    +      -       -      +
    370A  MET*     3.6    11.6    -      -       +      +
    373A  LEU*     3.7    34.8    -      -       +      +
    374A  VAL*     3.8    15.0    -      -       +      -
----------------------------------------------------------
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Residues in contact with ARG 360 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    172A  ASP*     5.1     3.6    +      -       -      -
    176A  ARG*     5.2    10.3    -      -       -      +
    356A  VAL      2.8    14.6    +      -       -      +
    357A  LEU*     3.9     6.3    -      -       +      +
    359A  ALA*     1.3    76.9    -      -       -      +
    361A  HIS*     1.3    62.0    +      -       -      +
    363A  ALA      3.9     0.2    -      -       -      -
    364A  GLN*     3.3     2.3    +      -       -      -
    365A  GLY*     3.0    61.6    +      -       -      -
    367A  MET*     3.8    21.2    -      -       -      +
    370A  MET*     3.3    23.6    -      -       -      +
    477A  ILE*     3.8    11.5    -      -       -      +
    478A  ASN*     4.1     9.1    +      -       -      -
    481A  GLU*     2.7    44.0    +      -       -      +
----------------------------------------------------------
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Residues in contact with HIS 361 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    357A  LEU      3.1    16.8    +      -       -      +
    358A  ALA*     3.7     6.3    -      -       -      +
    360A  ARG*     1.3    74.3    -      -       -      +
    362A  GLN*     1.3    71.2    +      -       -      +
    364A  GLN*     2.8    28.8    +      -       +      +
----------------------------------------------------------
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Residues in contact with GLN 362 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    358A  ALA      2.8    22.0    +      -       -      +
    359A  ALA*     4.2     0.9    -      -       -      +
    361A  HIS*     1.3    83.2    -      -       -      +
    363A  ALA*     1.3    56.7    +      -       -      +
    364A  GLN*     3.4     7.8    +      -       -      +
    369A  THR*     5.2     1.2    -      -       -      +
    373A  LEU*     4.1    26.2    -      -       +      +
----------------------------------------------------------
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Residues in contact with ALA 363 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    359A  ALA      3.0    20.2    +      -       -      +
    360A  ARG      4.2     1.6    -      -       -      +
    362A  GLN*     1.3    75.6    -      -       -      +
    364A  GLN*     1.3    72.1    +      -       -      +
    365A  GLY      3.1     0.4    -      -       -      -
    366A  ASP*     3.1    33.1    +      -       -      +
    369A  THR*     3.6    29.9    -      -       +      -
    370A  MET*     3.6    11.4    -      -       +      +
    373A  LEU*     4.1     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