Contacts of the strand formed by residues 11 - 19 (chain C) in PDB entry 3ISW


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 11 (chain C).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   2275A  VAL      3.4     2.6    -      -       -      +
   2276A  GLU*     3.3     5.5    -      -       -      +
   2277A  GLY      2.9    39.5    +      -       -      +
   2278A  PRO      3.7     7.2    -      -       -      +
   2279A  SER*     3.6    23.8    -      -       -      +
   2280A  LYS*     3.7    27.8    -      -       +      +
     10C  SER*     1.3    74.7    -      -       -      +
     12C  VAL*     1.3    65.1    +      -       -      +
     13C  SER*     4.4     4.0    -      -       -      +
----------------------------------------------------------
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Residues in contact with VAL 12 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   2274A  ALA*     4.7     9.2    -      -       +      -
   2275A  VAL      3.6     5.2    -      -       -      +
   2276A  GLU*     3.7    23.8    -      -       +      +
     10C  SER*     3.8    10.7    +      -       -      +
     11C  VAL*     1.3    83.4    -      -       -      +
     13C  SER*     1.3    62.3    +      -       -      +
     14C  LYS*     4.0    30.8    +      -       +      +
----------------------------------------------------------
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Residues in contact with SER 13 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   2274A  ALA*     3.3     4.7    -      -       -      -
   2275A  VAL*     3.0    33.1    +      -       -      -
   2279A  SER      4.7     0.2    +      -       -      -
   2280A  LYS*     3.5    11.4    -      -       -      +
   2281A  ALA*     2.8    52.6    +      -       -      +
   2283A  ILE*     3.6     8.7    -      -       -      +
     11C  VAL*     4.4     1.9    -      -       -      +
     12C  VAL*     1.3    73.2    -      -       -      +
     14C  LYS*     1.3    60.6    +      -       -      +
----------------------------------------------------------
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Residues in contact with LYS 14 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   2272A  ALA*     6.3     0.7    -      -       +      -
   2273A  ILE      3.3     9.6    -      -       -      +
   2274A  ALA*     4.1    13.7    -      -       +      -
   2283A  ILE*     4.3     4.1    -      -       -      +
   2278B  PRO*     4.7     9.9    -      -       -      +
     12C  VAL*     4.0    23.5    +      -       +      +
     13C  SER*     1.3    79.1    -      -       -      +
     15C  LEU*     1.3    63.1    +      -       -      +
     16C  PHE*     3.6    33.7    -      -       +      -
----------------------------------------------------------
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Residues in contact with LEU 15 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   2273A  ILE*     3.0    31.4    +      -       +      +
   2283A  ILE*     3.6    30.2    -      -       +      +
   2284A  SER*     3.6    25.4    -      -       -      -
   2285A  PHE*     3.3    30.8    -      -       +      -
   2276B  GLU*     3.7    20.6    -      -       +      +
   2277B  GLY*     3.6    17.9    -      -       -      +
     14C  LYS*     1.3    74.7    -      -       -      +
     16C  PHE*     1.3    91.2    +      -       -      +
----------------------------------------------------------
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Residues in contact with PHE 16 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   2271A  LEU      3.4     8.3    -      -       -      +
   2272A  ALA*     3.7    26.9    -      -       +      -
   2273A  ILE      5.8     0.2    -      -       -      -
   2285A  PHE*     4.1     2.5    -      -       -      -
   2275B  VAL      4.5     0.7    -      -       -      -
   2276B  GLU*     3.5     3.3    -      -       -      +
   2277B  GLY      3.0    34.4    +      -       -      +
   2278B  PRO      3.6    15.9    -      -       -      -
   2279B  SER*     3.4    30.3    -      -       -      +
   2280B  LYS*     3.7    29.4    -      -       +      +
     14C  LYS*     3.6    43.3    -      -       +      -
     15C  LEU*     1.3    83.7    -      -       -      +
     17C  PHE*     1.3    64.4    +      -       -      +
     18C  SER*     4.2     0.4    -      -       -      +
----------------------------------------------------------
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Residues in contact with PHE 17 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   2271A  LEU*     2.9    34.9    +      -       +      -
   2285A  PHE*     3.6    35.4    -      +       +      -
   2287A  ASP*     3.8    33.2    -      -       +      -
   2293A  CYS*     5.3     7.4    -      -       -      -
   2274B  ALA*     3.5    24.5    -      -       +      -
   2275B  VAL      3.6     3.1    -      -       -      -
   2276B  GLU*     3.8    35.0    -      -       +      -
   2308B  SER*     5.4     2.2    -      -       -      -
     16C  PHE*     1.3    75.3    -      -       -      +
     18C  SER*     1.3    59.3    +      -       -      +
     19C  TRP*     3.3    39.5    -      +       +      -
----------------------------------------------------------
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Residues in contact with SER 18 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   2269A  GLY      3.3    10.8    -      -       -      -
   2270A  GLY*     4.0     6.2    -      -       -      -
   2274B  ALA*     3.2     3.0    -      -       -      +
   2275B  VAL      2.7    34.6    +      -       -      -
   2279B  SER      4.8     0.9    +      -       -      -
   2280B  LYS*     3.8    11.1    -      -       -      +
   2281B  ALA*     3.0    47.9    +      -       -      +
   2283B  ILE*     3.9     6.2    -      -       -      +
     16C  PHE*     5.1     0.2    -      -       -      +
     17C  PHE*     1.3    77.7    +      -       -      +
     19C  TRP*     1.3    60.1    +      -       -      +
----------------------------------------------------------
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Residues in contact with TRP 19 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   2263A  THR*     3.8    20.9    -      -       +      -
   2267A  GLY      3.1    31.1    +      -       -      -
   2268A  ALA*     3.6     4.4    -      -       -      +
   2269A  GLY*     3.1    37.4    +      -       -      +
   2271A  LEU*     3.2    36.8    -      -       +      -
   2293A  CYS*     6.4     0.2    -      -       -      -
   2311A  PHE*     3.6    20.0    -      +       -      -
   2272B  ALA*     6.1     2.2    -      -       +      -
   2273B  ILE      3.2    14.6    -      -       -      +
   2274B  ALA*     3.7    13.2    -      -       +      -
   2283B  ILE*     4.3     7.5    -      -       -      +
     17C  PHE*     3.3    38.6    -      +       +      -
     18C  SER*     1.3    74.2    -      -       -      +
     20C  THR*     1.3    86.2    +      -       -      +
----------------------------------------------------------
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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