Contacts of the helix formed by residues 510 - 519 (chain B) in PDB entry 1U5T


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 ASP 510 (chain B).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    508B  GLY      3.8     2.2    +      -       -      +
    509B  SER*     1.3    76.0    -      -       -      +
    511B  LEU*     1.3    91.1    +      -       -      +
    512B  LEU*     2.9    26.1    +      -       -      +
    513B  ARG*     3.3    12.4    +      -       +      +
    514B  LEU*     2.8    21.9    +      -       -      +
    554B  ILE      4.1     8.6    -      -       -      +
    555B  TYR*     4.8    17.1    -      -       +      -
    556B  TYR*     5.1     1.6    -      -       -      -
     20C  SER*     3.4    22.6    +      -       -      -
     21C  LEU*     4.0     8.5    -      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with LEU 511 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    107A  LYS*     4.4     4.9    -      -       -      +
    510B  ASP*     1.3    83.2    +      -       -      +
    512B  LEU*     1.3    53.9    +      -       -      +
    514B  LEU*     2.9     9.6    +      -       +      +
    515B  THR*     2.6    35.1    +      -       -      +
    529B  LEU*     4.3    12.3    -      -       +      -
    532B  LEU*     3.5    29.2    -      -       +      -
    533B  MET*     3.9    28.5    -      -       -      -
    536B  LEU*     3.8    22.0    -      -       +      -
    554B  ILE      4.5     5.5    +      -       -      -
    556B  TYR*     5.2     5.8    -      -       +      -
     21C  LEU*     4.3    28.7    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with LEU 512 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    510B  ASP*     2.9    18.6    +      -       -      +
    511B  LEU*     1.3    81.6    -      -       -      +
    513B  ARG*     1.3    59.4    +      -       -      +
    515B  THR*     2.7    36.6    -      -       +      +
    516B  GLN*     2.9    41.6    +      -       +      +
     20C  SER*     5.0     6.7    -      -       -      +
     21C  LEU*     4.9    12.5    -      -       +      +
     24C  ARG*     4.0    36.1    -      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with ARG 513 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    506B  ASN*     3.3    31.5    +      -       -      +
    507B  PRO      5.4     3.0    +      -       -      -
    509B  SER*     3.8    12.1    +      -       -      +
    510B  ASP*     3.3    24.2    +      -       +      +
    511B  LEU      3.1     1.0    -      -       -      -
    512B  LEU*     1.3    72.9    -      -       -      +
    514B  LEU*     1.3    55.3    +      -       -      +
    515B  THR      2.3    19.5    +      -       -      -
    516B  GLN*     2.5    35.2    +      -       -      +
    517B  ILE*     3.0    29.6    -      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with LEU 514 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    499B  LEU*     3.7    22.2    -      -       +      -
    502B  LEU*     5.2     6.7    -      -       +      -
    503B  ILE*     3.2    35.2    -      -       +      +
    506B  ASN*     5.4     1.1    -      -       +      +
    509B  SER*     3.7    20.6    -      -       -      +
    510B  ASP      2.8    11.6    +      -       -      +
    511B  LEU*     3.0    19.1    -      -       +      +
    513B  ARG*     1.3    78.4    -      -       -      +
    515B  THR*     1.3    58.5    +      -       -      +
    517B  ILE*     4.0     6.7    -      -       +      +
    518B  LEU*     3.1    30.5    +      -       +      +
    532B  LEU*     3.3    33.4    -      -       +      +
    536B  LEU*     4.1    13.2    -      -       +      -
    556B  TYR*     5.3     3.4    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with THR 515 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    511B  LEU*     2.6     9.1    +      -       -      +
    512B  LEU*     2.7    24.2    -      -       +      +
    513B  ARG      2.3    11.1    +      -       -      -
    514B  LEU*     1.3    65.2    -      -       -      +
    516B  GLN*     1.3    85.1    +      -       +      +
    518B  LEU*     2.5    30.6    +      -       -      -
    519B  SER*     2.6    25.9    +      -       -      +
    520B  SER*     5.6     1.1    -      -       -      +
    529B  LEU*     4.5    12.0    +      -       -      +
    532B  LEU*     4.1    16.9    -      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with GLN 516 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    512B  LEU*     2.9    34.3    +      -       +      +
    513B  ARG*     2.5    30.2    +      -       -      +
    515B  THR*     1.3    84.3    -      -       +      +
    517B  ILE*     1.3    69.4    +      -       +      +
    519B  SER      2.9     8.3    +      -       -      -
    520B  SER*     3.1    28.4    +      -       -      +
    521B  ASN*     3.7     6.5    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with ILE 517 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    502B  LEU*     3.4    29.4    -      -       +      -
    506B  ASN*     3.6    21.5    -      -       +      +
    509B  SER*     5.1     2.2    -      -       -      +
    513B  ARG*     3.0    59.4    +      -       +      +
    514B  LEU*     3.8     6.3    -      -       +      +
    516B  GLN*     1.3    74.4    -      -       -      +
    518B  LEU*     1.3    73.1    +      -       +      +
    519B  SER      3.3     0.3    +      -       -      -
    521B  ASN*     3.9    20.9    -      -       -      +
    525B  SER*     5.6     0.2    -      -       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with LEU 518 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    432B  TYR*     5.5     0.2    -      -       -      +
    499B  LEU*     5.1     3.4    -      -       +      -
    502B  LEU*     3.1    35.4    -      -       +      -
    514B  LEU*     3.1    21.7    +      -       +      +
    515B  THR*     2.5    13.1    +      -       -      +
    517B  ILE*     1.3    82.0    -      -       +      +
    519B  SER*     1.3    60.2    +      -       -      +
    521B  ASN      6.1     0.4    -      -       -      -
    525B  SER*     2.6    36.0    +      -       -      +
    527B  TRP*     3.0    56.8    -      -       +      +
    532B  LEU*     4.7    12.8    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with SER 519 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    515B  THR*     2.6    29.4    +      -       -      -
    516B  GLN      2.9     3.6    +      -       -      -
    518B  LEU*     1.3    83.6    +      -       -      +
    520B  SER*     1.3    57.4    +      -       -      -
    521B  ASN      3.1    10.2    +      -       -      -
    522B  ASN*     3.4    19.6    +      -       -      +
    525B  SER*     5.0     1.6    -      -       -      -
    527B  TRP*     3.9    14.4    +      -       -      +
    528B  THR*     5.5     0.9    -      -       -      -
    529B  LEU      5.7     1.0    +      -       -      -
----------------------------------------------------------
 Back to top of page


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