Contacts of the helix formed by residues 485 - 506 (chain N) in PDB entry 5X22


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 485 (chain N).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    483N  HIS*     3.1    32.2    +      -       -      +
    484N  PRO*     1.3    78.5    -      -       -      +
    486N  ARG*     1.3    66.2    +      -       -      +
    487N  ALA*     4.0     2.8    +      -       -      +
    488N  ARG*     3.6    24.8    +      -       -      +
    489N  ARG*     3.3    17.1    +      -       -      +
      2Q    C      3.4    36.6    +      -       -      +
      3Q    T      3.9     4.4    +      -       -      -
----------------------------------------------------------
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Residues in contact with ARG 486 (chain N). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    484N  PRO      3.5     3.2    +      -       -      -
    485N  SER*     1.3    69.3    +      -       -      +
    487N  ALA*     1.3    61.5    +      -       -      +
    489N  ARG*     3.1    33.2    +      -       -      +
    490N  ALA*     2.9    26.7    +      -       +      +
      3Q    T      3.7    35.4    +      -       -      +
      4Q    G      3.9    24.5    +      -       -      -
----------------------------------------------------------
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Residues in contact with ALA 487 (chain N). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    485N  SER*     3.5     4.0    +      -       -      +
    486N  ARG*     1.3    80.3    -      -       -      +
    488N  ARG*     1.3    57.7    +      -       +      +
    490N  ALA*     3.1     9.8    +      -       -      +
    491N  LYS*     2.9    44.0    +      -       +      +
      2Q    C      5.9     0.7    -      -       +      -
      3Q    T      3.8    23.9    +      -       +      +
----------------------------------------------------------
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Residues in contact with ARG 488 (chain N). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    480N  GLU*     2.6    45.1    +      -       -      +
    483N  HIS*     3.0    52.1    +      -       +      +
    485N  SER*     3.6    20.8    +      -       -      +
    486N  ARG      3.2     0.6    -      -       -      -
    487N  ALA*     1.3    76.7    -      -       +      +
    489N  ARG*     1.3    59.2    +      -       -      +
    491N  LYS*     3.5     6.2    +      -       -      +
    492N  ALA*     2.9    30.5    +      -       -      +
      2Q    C      4.4    14.0    +      -       -      +
----------------------------------------------------------
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Residues in contact with ARG 489 (chain N). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    480N  GLU      4.0     3.1    -      -       -      +
    481N  MET*     3.2    42.0    -      -       +      +
    482N  LYS      4.8     1.1    -      -       -      -
    483N  HIS*     3.2    26.2    +      -       -      +
    484N  PRO*     4.1     7.9    +      -       -      +
    485N  SER      3.3     4.1    +      -       -      +
    486N  ARG*     3.1    40.9    +      -       -      +
    488N  ARG*     1.3    74.6    -      -       -      +
    490N  ALA*     1.3    61.0    +      -       -      +
    492N  ALA*     4.2     5.2    -      -       -      -
    493N  ARG*     2.9    35.6    +      -       -      +
   1391N  GLU*     2.5    40.0    +      -       -      +
----------------------------------------------------------
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Residues in contact with ALA 490 (chain N). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    486N  ARG*     2.9    14.8    +      -       +      +
    487N  ALA*     3.1    14.1    +      -       -      +
    489N  ARG*     1.3    73.8    -      -       -      +
    491N  LYS*     1.3    65.9    +      -       +      +
    493N  ARG*     3.2    27.6    +      -       -      +
    494N  LYS*     2.9    43.2    +      -       -      +
----------------------------------------------------------
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Residues in contact with LYS 491 (chain N). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    487N  ALA*     2.9    30.7    +      -       -      +
    488N  ARG*     3.9     5.6    -      -       -      +
    490N  ALA*     1.3    79.3    -      -       +      +
    492N  ALA*     1.3    57.9    +      -       -      +
    494N  LYS*     3.3    18.2    +      -       +      +
    495N  ARG*     2.9    41.0    +      -       +      +
     22R    T      5.4    17.8    +      -       -      +
----------------------------------------------------------
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Residues in contact with ALA 492 (chain N). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    477N  LEU*     3.8    20.1    -      -       +      +
    480N  GLU*     3.7    32.9    -      -       +      +
    481N  MET*     3.8    14.4    -      -       -      -
    488N  ARG      2.9    19.5    +      -       -      +
    489N  ARG      3.7     4.7    -      -       -      +
    491N  LYS*     1.3    76.9    -      -       -      +
    493N  ARG*     1.3    57.7    +      -       -      +
    495N  ARG*     3.5     1.7    +      -       -      +
    496N  LEU*     2.9    30.5    +      -       -      +
----------------------------------------------------------
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Residues in contact with ARG 493 (chain N). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    481N  MET*     3.5    12.5    -      -       -      -
    489N  ARG*     2.9    24.2    +      -       -      +
    490N  ALA*     3.5    25.4    +      -       -      +
    492N  ALA*     1.3    77.4    -      -       -      +
    494N  LYS*     1.3    81.4    +      -       -      +
    496N  LEU*     3.1     5.7    +      -       -      +
    497N  GLU*     2.9    46.4    +      -       -      +
   1390N  LEU*     3.9    18.4    -      -       +      -
   1391N  GLU      3.4    19.3    +      -       -      -
   1392N  GLY*     3.6    18.6    +      -       -      -
   1393N  GLN*     3.5    28.7    -      -       -      +
----------------------------------------------------------
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Residues in contact with LYS 494 (chain N). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    109N  PRO*     6.0     5.4    -      -       +      -
    114N  THR*     4.2     3.1    -      -       -      +
    490N  ALA*     2.9    28.1    +      -       -      +
    491N  LYS*     3.8    18.1    -      -       +      +
    493N  ARG*     1.3    98.0    -      -       -      +
    495N  ARG*     1.3    62.0    +      -       +      +
    497N  GLU*     3.8    17.0    +      -       -      +
    498N  VAL*     3.8    17.0    +      -       -      +
     21R    A      3.2    37.6    +      -       -      +
----------------------------------------------------------
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Residues in contact with ARG 495 (chain N). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    114N  THR*     3.2    33.8    +      -       +      +
    115N  LEU*     3.2    24.7    +      -       -      +
    116N  LEU      4.9     0.2    -      -       -      -
    117N  ASP*     3.9    30.3    +      -       -      +
    473N  LEU*     3.5    32.6    -      -       -      +
    477N  LEU*     3.7    27.3    -      -       +      +
    491N  LYS*     2.9    24.6    +      -       +      +
    492N  ALA      3.8     1.3    -      -       -      +
    494N  LYS*     1.3    75.5    -      -       +      +
    496N  LEU*     1.3    61.4    +      -       -      +
    497N  GLU      3.1     0.2    -      -       -      -
    498N  VAL*     3.1     6.6    +      -       -      +
    499N  VAL*     2.9    30.1    +      -       +      +
----------------------------------------------------------
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Residues in contact with LEU 496 (chain N). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    474N  GLU*     3.7    39.3    -      -       +      +
    477N  LEU*     3.7    17.0    -      -       +      +
    478N  LEU*     3.7    23.1    -      -       +      -
    481N  MET*     4.5    10.5    -      -       +      -
    492N  ALA      2.9    18.8    +      -       -      +
    493N  ARG      3.1     4.5    +      -       -      +
    495N  ARG*     1.3    76.8    -      -       -      +
    497N  GLU*     1.3    57.9    +      -       -      +
    498N  VAL      3.4     0.2    -      -       -      -
    499N  VAL*     3.8     5.6    -      -       +      -
    500N  ARG*     2.9    43.4    +      -       +      +
   1390N  LEU*     3.7    37.0    -      -       +      -
----------------------------------------------------------
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Residues in contact with GLU 497 (chain N). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    493N  ARG*     2.9    43.6    +      -       +      +
    494N  LYS*     3.9    14.1    -      -       -      +
    495N  ARG      3.1     0.4    -      -       -      -
    496N  LEU*     1.3    74.3    -      -       -      +
    498N  VAL*     1.3    61.2    +      -       +      +
    500N  ARG*     3.9     3.1    -      -       -      +
    501N  ALA*     2.9    29.5    +      -       -      +
   1390N  LEU*     4.6     7.4    -      -       +      -
   1393N  GLN*     4.2    22.3    -      -       -      +
   1394N  VAL      5.2     0.9    +      -       -      -
----------------------------------------------------------
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Residues in contact with VAL 498 (chain N). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    111N  LYS*     4.2    38.8    -      -       +      +
    114N  THR*     3.8    17.3    -      -       +      +
    115N  LEU*     3.8    17.5    -      -       +      -
    494N  LYS      3.8    14.6    -      -       -      +
    495N  ARG      3.1     6.6    +      -       -      +
    497N  GLU*     1.3    75.9    -      -       +      +
    499N  VAL*     1.3    65.1    +      -       -      +
    501N  ALA*     3.1     6.0    +      -       -      +
    502N  PHE*     2.9    50.0    +      -       +      -
   1452N  ILE*     5.0     2.9    -      -       +      -
----------------------------------------------------------
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Residues in contact with VAL 499 (chain N). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    115N  LEU*     3.7    22.4    -      -       +      -
    470N  LEU*     3.6    36.1    -      -       +      +
    473N  LEU*     3.8    19.3    -      -       +      -
    474N  GLU*     4.3    13.0    -      -       +      +
    477N  LEU*     3.8    12.6    -      -       +      -
    495N  ARG*     2.9    21.7    +      -       +      +
    496N  LEU*     3.8     7.9    -      -       +      +
    498N  VAL*     1.3    77.2    -      -       -      +
    500N  ARG*     1.3    57.8    +      -       -      +
    502N  PHE*     3.4     4.3    +      -       -      +
    503N  LEU*     2.9    35.4    +      -       +      +
----------------------------------------------------------
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Residues in contact with ARG 500 (chain N). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    474N  GLU*     2.7    35.9    +      -       +      +
    478N  LEU*     3.9    25.7    -      -       -      +
    496N  LEU*     2.9    34.6    +      -       +      +
    497N  GLU*     4.2     2.9    -      -       -      +
    499N  VAL*     1.3    73.4    -      -       -      +
    501N  ALA*     1.3    59.4    +      -       -      +
    503N  LEU*     3.6     7.6    -      -       +      -
    504N  ASP*     2.9    43.5    +      -       -      +
   1388N  ARG*     2.6    67.6    +      -       -      +
   1390N  LEU*     3.3    21.8    -      -       -      +
   1393N  GLN*     5.7     0.2    +      -       -      -
----------------------------------------------------------
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Residues in contact with ALA 501 (chain N). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    497N  GLU      2.9    20.7    +      -       -      +
    498N  VAL*     3.3     8.1    -      -       -      +
    500N  ARG*     1.3    77.8    -      -       -      +
    502N  PHE*     1.3    58.3    +      -       -      +
    504N  ASP*     4.0     3.5    -      -       -      +
    505N  SER*     2.9    33.3    +      -       -      -
   1452N  ILE*     3.8    21.5    -      -       +      +
   1453N  ALA*     4.2    18.7    -      -       +      +
----------------------------------------------------------
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Residues in contact with PHE 502 (chain N). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     12N  LEU*     3.7    20.2    -      -       +      -
    115N  LEU*     4.0    13.2    -      -       +      -
    470N  LEU*     3.9    16.8    -      -       +      +
    498N  VAL*     2.9    43.9    +      -       +      +
    499N  VAL*     3.7     5.4    -      -       -      +
    501N  ALA*     1.3    77.3    -      -       -      +
    503N  LEU*     1.3    61.7    +      -       -      +
    505N  SER*     3.2    13.4    +      -       -      -
    506N  GLY*     3.2     9.5    +      -       -      -
    507N  ASN*     3.2    34.3    +      -       +      +
    508N  ARG      4.2     0.2    -      -       -      -
    509N  PRO*     3.5    26.5    -      -       +      -
    512N  MET*     3.7    28.7    -      -       +      -
   1452N  ILE*     3.5    32.8    -      -       +      -
----------------------------------------------------------
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Residues in contact with LEU 503 (chain N). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    470N  LEU*     3.6    31.4    -      -       +      +
    471N  GLU*     4.2    20.9    -      -       +      +
    474N  GLU*     3.5    33.4    -      -       -      +
    499N  VAL*     2.9    33.3    +      -       +      +
    500N  ARG*     3.5    11.4    -      -       +      +
    501N  ALA      3.2     0.2    -      -       -      -
    502N  PHE*     1.3    79.9    -      -       -      +
    504N  ASP*     1.3    67.5    +      -       -      +
    506N  GLY*     3.8     6.4    +      -       -      -
   1388N  ARG*     5.9     1.1    -      -       -      +
----------------------------------------------------------
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Residues in contact with ASP 504 (chain N). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    500N  ARG*     2.9    23.0    +      -       -      +
    501N  ALA*     4.1     3.6    -      -       -      +
    503N  LEU*     1.3    80.7    -      -       -      +
    505N  SER*     1.3    66.2    +      -       -      +
    506N  GLY*     3.5     0.5    +      -       -      -
   1388N  ARG*     3.2    33.5    +      -       -      -
   1453N  ALA      5.6     1.6    -      -       -      +
----------------------------------------------------------
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Residues in contact with SER 505 (chain N). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    501N  ALA      2.9    16.9    +      -       -      -
    502N  PHE*     3.2     5.5    +      -       -      -
    504N  ASP*     1.3    79.1    -      -       -      +
    506N  GLY*     1.3    60.7    +      -       -      +
    507N  ASN*     3.0    26.7    +      -       -      +
   1452N  ILE      3.1    26.2    +      -       -      -
   1453N  ALA      3.3    18.8    +      -       -      -
   1454N  GLY*     4.1     3.8    -      -       -      -
----------------------------------------------------------
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Residues in contact with GLY 506 (chain N). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    502N  PHE      3.2     7.7    +      -       -      -
    503N  LEU      3.8     5.7    +      -       -      -
    504N  ASP      3.4     2.6    -      -       -      -
    505N  SER*     1.3    80.4    +      -       -      +
    507N  ASN*     1.3    64.1    +      -       -      +
    508N  ARG*     3.6     7.2    +      -       -      +
    511N  TRP*     4.1    10.0    -      -       -      -
----------------------------------------------------------
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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