Contacts of the strand formed by residues 43 - 49 (chain N) in PDB entry 1YIT


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 VAL 43 (chain N).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     37N  ARG      3.4     5.2    -      -       -      +
     38N  LYS*     4.1    18.4    -      -       +      +
     42N  HIS*     1.3    84.1    -      -       -      +
     44N  ARG*     1.3    59.3    +      -       -      +
     62N  HIS*     5.0     0.2    -      -       -      -
     63N  SER*     2.9    36.4    +      -       -      -
     75N  THR      4.6     4.7    -      -       -      +
     76N  GLY*     4.6     4.9    -      -       -      -
     81N  ALA*     4.1    18.6    -      -       +      +
     84N  THR*     3.1    14.5    -      -       -      +
    114N  LYS*     4.4    22.4    -      -       +      +
    118N  ILE*     3.2    39.0    -      -       +      -
----------------------------------------------------------
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Residues in contact with ARG 44 (chain N). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
      49    G      2.6    63.7    +      -       -      +
      59    G      3.4    20.0    +      -       -      +
    1209    A      4.0    15.6    +      -       -      -
     35N  VAL      3.8     1.0    -      -       -      +
     36N  ALA*     3.8     1.6    -      -       -      -
     37N  ARG*     2.8    43.1    +      -       +      +
     38N  LYS*     4.8     0.6    -      -       -      +
     42N  HIS      4.4     0.2    -      -       -      -
     43N  VAL*     1.3    73.8    -      -       -      +
     45N  ALA*     1.3    64.9    +      -       -      +
     46N  GLN*     3.9    34.1    -      -       +      +
     60N  SER*     5.4     4.0    -      -       -      -
     61N  ALA      3.4    11.0    -      -       -      +
     62N  HIS*     3.4    39.9    +      -       +      +
     84N  THR*     4.6     0.2    -      -       -      -
    118N  ILE*     3.9     3.3    -      -       -      +
----------------------------------------------------------
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Residues in contact with ALA 45 (chain N). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     34N  LEU*     4.8     6.3    -      -       +      -
     35N  VAL      3.4     6.1    -      -       -      +
     44N  ARG*     1.3    75.6    -      -       -      +
     46N  GLN*     1.3    61.2    -      -       -      +
     60N  SER*     3.2     4.3    -      -       -      -
     61N  ALA      2.8    35.3    +      -       -      +
     84N  THR*     4.3    11.0    -      -       +      +
     85N  GLY*     4.3     2.0    -      -       -      -
     88N  ALA*     3.4    21.0    -      -       +      +
    118N  ILE*     3.7    27.1    -      -       +      -
----------------------------------------------------------
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Residues in contact with GLN 46 (chain N). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
      49    G      4.5     0.4    -      -       -      +
      59    G      2.4    67.1    +      -       -      +
      69    C      3.5     8.7    -      -       -      +
    1199    C      4.2     5.9    +      -       -      -
     34N  LEU*     3.3     7.0    -      -       -      +
     35N  VAL*     2.6    48.6    +      -       +      +
     44N  ARG*     3.9    19.4    -      -       +      +
     45N  ALA*     1.3    78.1    -      -       -      +
     47N  LEU*     1.3    60.6    +      -       -      +
     48N  VAL*     3.9    13.0    -      -       +      -
     57N  THR*     4.1     9.2    +      -       +      +
     59N  ALA      3.5     6.7    -      -       -      +
     60N  SER*     4.0    12.6    -      -       -      -
     88N  ALA*     5.8     0.4    -      -       -      -
----------------------------------------------------------
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Residues in contact with LEU 47 (chain N). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     32N  PRO*     5.1     6.1    -      -       +      -
     33N  ARG      3.3    13.2    -      -       -      +
     34N  LEU*     3.4    34.1    -      -       +      -
     46N  GLN*     1.3    71.4    -      -       -      +
     48N  VAL*     1.3    60.1    +      -       -      +
     56N  ASP      3.7     0.3    -      -       -      +
     57N  THR*     3.6     2.3    -      -       -      -
     58N  LEU*     3.0    30.9    +      -       +      +
     59N  ALA*     2.8    22.2    +      -       +      +
     88N  ALA*     5.4     3.6    -      -       +      +
     92N  ALA*     3.3    25.1    -      -       +      -
     97N  VAL*     3.2    38.1    -      -       +      -
    100N  ALA*     3.8    14.4    -      -       +      -
    127N  LEU*     3.6     8.7    -      -       +      -
----------------------------------------------------------
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Residues in contact with VAL 48 (chain N). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
      69    C      3.8     9.2    -      -       -      +
     32N  PRO*     3.3     6.3    -      -       -      +
     33N  ARG*     2.7    48.9    +      -       -      +
     35N  VAL*     3.5    26.5    -      -       +      -
     46N  GLN*     4.0    11.2    -      -       +      +
     47N  LEU*     1.3    77.4    -      -       -      +
     49N  THR*     1.3    66.9    +      -       -      +
     55N  ASP*     3.1    39.9    -      -       +      -
     56N  ASP      3.1    11.2    -      -       -      +
     57N  THR*     3.9    15.3    -      -       -      +
----------------------------------------------------------
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Residues in contact with THR 49 (chain N). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     32N  PRO*     4.1    18.5    -      -       +      +
     48N  VAL*     1.3    78.8    +      -       -      +
     50N  LEU*     1.3    85.8    +      -       +      +
     55N  ASP*     3.3     6.6    -      -       -      +
     56N  ASP*     2.7    34.6    +      -       +      -
     58N  LEU*     3.4    31.8    -      -       +      +
----------------------------------------------------------
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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