Contacts of the helix formed by residues 551 - 563 (chain B) in PDB entry 4D1Q


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 TYR 551 (chain B).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    523B  GLU*     2.8    51.1    -      -       +      +
    526B  PHE*     3.3    19.7    +      +       -      -
    527B  TYR*     3.5    20.8    -      +       +      -
    530B  GLU*     2.5    29.5    +      -       -      -
    543B  TRP*     4.3    10.1    -      +       -      -
    544B  TRP*     4.3    11.2    -      +       +      -
    547B  ASN*     2.8    33.6    +      -       +      +
    548B  SER      2.9    11.1    -      -       -      +
    550B  LYS*     1.3   100.3    -      -       +      +
    552B  PRO*     1.3    63.2    -      -       -      +
    554B  LEU*     3.9     9.6    -      -       +      -
    555B  SER*     3.1    28.5    +      -       -      +
----------------------------------------------------------
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Residues in contact with PRO 552 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    517B  PRO*     5.0     5.8    -      -       +      -
    523B  GLU*     2.8    13.6    -      -       +      +
    548B  SER      3.4     7.9    -      -       -      +
    549B  LYS*     3.3    15.3    -      -       -      +
    550B  LYS      3.2    12.3    -      -       -      +
    551B  TYR*     1.3    87.6    -      -       -      +
    553B  LYS*     1.3    65.6    +      -       +      +
    555B  SER*     3.8     3.1    +      -       -      -
    556B  LYS*     3.6    23.0    -      -       -      +
----------------------------------------------------------
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Residues in contact with LYS 553 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    458B  MET*     3.3    33.3    -      -       +      +
    461B  LEU*     5.6     1.6    -      -       -      +
    462B  GLU*     2.7    41.8    +      -       +      +
    518B  VAL      4.2    14.4    -      -       -      +
    519B  CYS*     4.9     0.9    -      -       -      +
    520B  PRO*     4.1    22.0    -      -       +      -
    523B  GLU*     3.0    17.1    +      -       -      +
    552B  PRO*     1.3    82.6    -      -       +      +
    554B  LEU*     1.3    60.5    +      -       -      +
    556B  LYS*     4.1    13.9    +      -       -      +
    557B  LEU      3.8     8.8    +      -       -      -
----------------------------------------------------------
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Residues in contact with LEU 554 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    435B  PHE*     4.4    20.6    -      -       +      -
    454B  CYS*     4.8     4.3    -      -       +      -
    458B  MET*     3.3    29.8    -      -       +      -
    523B  GLU*     2.7    32.4    +      -       +      +
    524B  PHE*     4.4    15.9    -      -       +      +
    527B  TYR*     4.0    24.5    -      -       +      -
    544B  TRP*     3.9    23.8    -      -       +      -
    551B  TYR*     3.9     7.2    -      -       +      -
    553B  LYS*     1.3    71.5    -      -       -      +
    555B  SER*     1.3    66.9    +      -       -      +
    556B  LYS      2.9     3.4    +      -       -      -
    557B  LEU*     3.0    11.0    +      -       +      +
    558B  ALA*     2.9    19.4    +      -       -      +
----------------------------------------------------------
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Residues in contact with SER 555 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    544B  TRP*     3.7    31.6    -      -       -      -
    547B  ASN      4.3     1.1    -      -       -      -
    548B  SER*     3.4    28.3    +      -       -      -
    551B  TYR*     3.1    23.9    +      -       -      +
    552B  PRO      3.8     3.6    +      -       -      -
    554B  LEU*     1.3    77.1    -      -       -      +
    556B  LYS*     1.3    72.1    +      -       -      +
    559B  LEU*     2.9    33.0    +      -       -      +
----------------------------------------------------------
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Residues in contact with LYS 556 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    461B  LEU*     3.7    32.7    +      -       +      +
    464B  ILE*     3.7    27.3    -      -       -      +
    552B  PRO      3.6    17.5    +      -       -      +
    553B  LYS*     4.1    13.9    -      -       -      +
    554B  LEU      2.9     1.4    +      -       -      -
    555B  SER*     1.3    85.0    +      -       -      +
    557B  LEU*     1.3    64.1    +      -       -      +
    558B  ALA      3.0     0.2    +      -       -      -
    559B  LEU*     3.1     5.3    +      -       -      +
    560B  SER*     3.0    21.6    +      -       -      -
----------------------------------------------------------
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Residues in contact with LEU 557 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    428B  TRP*     5.9     0.2    -      -       +      -
    431B  THR*     5.2     1.3    -      -       +      -
    435B  PHE*     3.7    14.1    -      -       +      -
    453B  PHE*     5.3     2.2    -      -       +      -
    454B  CYS*     3.4    46.9    -      -       +      +
    457B  LYS*     3.9    30.3    -      -       +      +
    458B  MET*     4.5     9.9    -      -       +      -
    461B  LEU*     5.0     6.3    -      -       +      +
    553B  LYS      3.8     9.2    +      -       -      +
    554B  LEU*     3.0    14.4    +      -       +      +
    556B  LYS*     1.3    77.7    -      -       -      +
    558B  ALA*     1.3    62.0    +      -       -      +
    560B  SER*     3.2    11.3    -      -       -      +
    561B  LEU*     3.1    35.0    +      -       +      +
----------------------------------------------------------
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Residues in contact with ALA 558 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    435B  PHE*     3.9    22.4    -      -       +      -
    544B  TRP*     3.7    42.6    -      -       +      +
    554B  LEU      2.9    11.7    +      -       -      +
    555B  SER      3.6     7.2    -      -       -      +
    556B  LYS      3.0     0.8    +      -       -      -
    557B  LEU*     1.3    72.2    -      -       -      +
    559B  LEU*     1.3    51.5    +      -       -      +
    560B  SER      2.9     4.0    -      -       -      -
    561B  LEU*     2.7    24.8    +      -       -      +
    562B  LEU*     2.7    22.1    +      -       +      +
----------------------------------------------------------
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Residues in contact with LEU 559 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    199B  HIS*     3.4    51.0    -      -       +      +
    541B  MET*     4.2    20.4    -      -       +      +
    544B  TRP*     4.0    26.5    -      -       +      +
    545B  ASN*     3.9    16.6    -      -       -      +
    548B  SER*     5.9     1.3    -      -       -      -
    555B  SER*     2.9    33.6    +      -       -      +
    556B  LYS*     3.9     4.5    -      -       +      +
    558B  ALA*     1.3    72.8    -      -       -      +
    560B  SER*     1.3    60.4    +      -       -      +
    562B  LEU*     3.9     9.1    -      -       +      +
    563B  SER*     3.2    24.9    +      -       -      -
----------------------------------------------------------
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Residues in contact with SER 560 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    172B  LYS      5.7     0.4    -      -       -      -
    173B  ASP      3.3    24.6    +      -       -      -
    174B  GLY*     4.0    13.5    -      -       -      -
    199B  HIS*     6.1     0.2    -      -       -      -
    244B  LYS*     3.3    21.0    +      -       -      -
    428B  TRP*     5.5     0.3    -      -       -      -
    461B  LEU*     6.5     0.9    -      -       -      -
    556B  LYS      3.0    12.8    +      -       -      -
    557B  LEU*     3.2    20.8    +      -       -      +
    559B  LEU*     1.3    74.2    -      -       -      +
    561B  LEU*     1.3    72.2    +      -       -      +
    563B  SER*     3.3    16.6    +      -       -      -
    564B  ILE*     3.7     2.6    -      -       -      +
----------------------------------------------------------
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Residues in contact with LEU 561 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    244B  LYS*     4.8     0.2    -      -       +      -
    382B  LEU*     4.8     2.6    -      -       -      +
    428B  TRP*     3.3    51.6    -      -       +      +
    431B  THR*     3.7    36.3    -      -       +      -
    432B  ALA*     3.9    16.2    -      -       +      +
    435B  PHE*     4.1    11.2    -      -       +      -
    453B  PHE*     4.4     4.5    -      -       +      -
    557B  LEU*     3.1    23.2    +      -       +      +
    558B  ALA      2.7    11.1    +      -       -      +
    560B  SER*     1.3    78.0    -      -       -      +
    562B  LEU*     1.3    53.9    +      -       -      +
    563B  SER      2.7    16.4    +      -       -      -
    564B  ILE*     2.7    30.3    +      -       +      +
----------------------------------------------------------
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Residues in contact with LEU 562 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    204B  LEU*     4.2     2.0    -      -       -      +
    380B  PRO*     3.0    41.6    -      -       +      +
    381B  SER      4.4     0.2    +      -       -      -
    382B  LEU*     5.8     2.0    -      -       -      +
    383B  CYS*     4.2    19.1    -      -       +      +
    432B  ALA*     4.0    25.6    -      -       +      +
    435B  PHE*     4.3    10.3    -      -       +      +
    540B  VAL*     3.4    44.4    -      -       +      +
    541B  MET*     4.7     3.4    -      -       +      +
    544B  TRP*     3.9    17.7    -      -       +      +
    558B  ALA      2.7    24.5    +      -       -      +
    559B  LEU*     3.9    11.4    -      -       +      +
    561B  LEU*     1.3    73.5    -      -       +      +
    563B  SER*     1.3    58.6    +      -       -      +
    564B  ILE      3.4     4.2    -      -       -      +
----------------------------------------------------------
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Residues in contact with SER 563 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    174B  GLY      3.8     7.4    +      -       -      -
    176B  SER*     3.7     7.4    +      -       -      -
    197B  HIS*     3.8     7.8    -      -       -      +
    198B  TYR*     3.5    29.3    -      -       -      -
    199B  HIS*     4.0     1.7    +      -       -      -
    204B  LEU*     3.4    32.0    -      -       -      +
    559B  LEU      3.2    14.0    +      -       -      -
    560B  SER      3.3    12.5    +      -       -      -
    561B  LEU      2.7     6.5    +      -       -      -
    562B  LEU*     1.3    73.1    -      -       -      +
    564B  ILE*     1.3    61.8    +      -       -      +
    565B  PRO*     3.2    13.3    -      -       -      +
----------------------------------------------------------
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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