Contacts of the helix formed by residues 225 - 241 (chain N) in PDB entry 5NSS


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 ASN 225 (chain N).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     44N  LEU*     5.1    14.6    -      -       +      -
    222N  TRP*     3.3    14.8    +      -       -      +
    223N  PRO      3.1     7.9    +      -       -      +
    224N  GLY*     1.3    80.5    -      -       -      +
    226N  ILE*     1.3    62.7    +      -       -      +
    227N  ARG      3.4     0.2    +      -       -      -
    228N  GLU      3.9     4.5    +      -       -      -
    229N  LEU*     3.9    12.1    +      -       -      +
----------------------------------------------------------
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Residues in contact with ILE 226 (chain N). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    225N  ASN*     1.3    77.3    -      -       -      +
    227N  ARG*     1.3    58.4    +      -       -      +
    228N  GLU      3.5     0.2    -      -       -      -
    229N  LEU*     5.0     2.2    -      -       -      -
    230N  LYS*     2.5    47.3    +      -       +      +
----------------------------------------------------------
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Residues in contact with ARG 227 (chain N). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    224N  GLY*     3.1    14.2    +      -       -      +
    226N  ILE*     1.3    76.5    -      -       -      +
    228N  GLU*     1.3    56.5    +      -       -      +
    230N  LYS*     4.9     0.2    -      -       -      -
    231N  ASN*     2.6    40.7    +      -       -      +
----------------------------------------------------------
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Residues in contact with GLU 228 (chain N). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    163F  ALA*     5.8     7.9    -      -       +      -
    222N  TRP*     4.7    11.7    -      -       +      -
    224N  GLY*     3.8    23.8    +      -       -      +
    225N  ASN      3.9     2.6    +      -       -      +
    226N  ILE      3.5     0.2    -      -       -      -
    227N  ARG*     1.3    76.5    -      -       -      +
    229N  LEU*     1.3    60.0    +      -       -      +
    231N  ASN*     3.9     2.0    -      -       -      +
    232N  VAL*     2.9    31.7    +      -       -      +
    252N  ILE      4.6     6.1    -      -       -      +
----------------------------------------------------------
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Residues in contact with LEU 229 (chain N). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    186N  ILE*     6.2     4.0    -      -       +      -
    217N  LEU*     5.8    11.3    -      -       +      +
    222N  TRP*     4.7    12.9    -      -       +      +
    225N  ASN      3.9    12.2    +      -       -      +
    226N  ILE*     4.9     2.7    -      -       -      +
    228N  GLU*     1.3    75.8    -      -       -      +
    230N  LYS*     1.3    62.2    +      -       -      +
    232N  VAL*     3.3     4.2    +      -       -      +
    233N  VAL*     2.9    34.5    +      -       -      +
----------------------------------------------------------
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Residues in contact with LYS 230 (chain N). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    193N  PHE*     5.6    10.5    -      -       +      -
    226N  ILE*     2.5    31.7    +      -       +      +
    227N  ARG*     4.9     0.2    -      -       -      -
    229N  LEU*     1.3    79.6    -      -       -      +
    231N  ASN*     1.3    54.2    +      -       -      +
    233N  VAL*     5.1     1.1    -      -       -      -
    234N  GLU*     2.5    41.7    +      -       +      +
----------------------------------------------------------
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Residues in contact with ASN 231 (chain N). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    167F  ASP*     6.3     2.7    -      -       +      -
    227N  ARG*     2.6    25.6    +      -       -      +
    228N  GLU*     4.1     2.0    -      -       -      +
    230N  LYS*     1.3    77.8    -      -       -      +
    232N  VAL*     1.3    58.5    +      -       -      +
    234N  GLU*     4.8     0.4    -      -       -      -
    235N  ARG*     2.5    40.0    +      -       +      +
    254N  PRO*     4.1     5.8    -      -       +      +
----------------------------------------------------------
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Residues in contact with VAL 232 (chain N). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    217N  LEU*     5.7     7.2    -      -       +      -
    228N  GLU      2.9    20.6    +      -       -      +
    229N  LEU*     3.9     3.6    -      -       -      +
    231N  ASN*     1.3    77.5    -      -       -      +
    233N  VAL*     1.3    58.4    +      -       -      +
    235N  ARG*     4.8     0.4    -      -       -      -
    236N  SER*     2.9    32.6    +      -       -      -
    250N  ILE*     4.4     6.6    -      -       +      +
    251N  ILE      3.3    26.1    -      -       -      +
    252N  ILE*     3.8    15.7    +      -       -      +
    254N  PRO*     5.0     7.6    -      -       -      +
----------------------------------------------------------
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Residues in contact with VAL 233 (chain N). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    190N  ALA*     4.8    19.5    -      -       +      +
    213N  ALA*     6.4     1.8    -      -       +      -
    217N  LEU*     5.8     7.4    -      -       +      +
    229N  LEU      2.9    15.5    +      -       -      +
    230N  LYS*     5.1     1.1    -      -       -      -
    232N  VAL*     1.3    75.3    -      -       -      +
    234N  GLU*     1.3    60.9    +      -       -      +
    236N  SER*     3.9     3.1    -      -       -      -
    237N  VAL*     2.9    32.9    +      -       -      +
    250N  ILE*     4.8     8.7    -      -       +      +
----------------------------------------------------------
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Residues in contact with GLU 234 (chain N). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    193N  PHE*     5.8     7.9    -      -       +      +
    194N  ALA*     6.3     4.5    -      -       -      +
    197N  MET*     5.4    11.9    -      -       +      -
    230N  LYS*     2.5    27.0    +      -       +      +
    231N  ASN*     4.8     0.4    -      -       -      -
    233N  VAL*     1.3    78.9    -      -       -      +
    235N  ARG*     1.3    57.1    +      -       -      +
    237N  VAL*     4.4     2.6    -      -       -      +
    238N  TYR*     2.9    31.0    +      -       -      +
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Residues in contact with ARG 235 (chain N). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    231N  ASN*     2.5    27.9    +      -       +      +
    234N  GLU*     1.3    75.7    -      -       -      +
    236N  SER*     1.3    60.5    +      -       -      +
    238N  TYR*     3.8     5.4    -      -       -      +
    239N  ARG*     2.9    29.6    +      -       -      +
    254N  PRO*     3.7    22.9    -      -       +      -
    255N  PHE*     5.3     2.3    +      -       -      +
----------------------------------------------------------
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Residues in contact with SER 236 (chain N). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    232N  VAL      2.9    22.0    +      -       -      -
    233N  VAL*     3.9     2.5    -      -       -      -
    235N  ARG*     1.3    75.4    -      -       -      +
    237N  VAL*     1.3    61.4    +      -       -      +
    239N  ARG*     3.3     6.8    +      -       -      +
    240N  HIS*     2.9    28.5    +      -       -      +
    247N  LEU*     5.8     4.3    -      -       -      -
    249N  ASP      5.1     2.9    -      -       -      -
    250N  ILE*     4.2    23.1    -      -       -      -
    251N  ILE      5.5     0.9    -      -       -      -
    254N  PRO*     6.0     0.2    -      -       -      -
    255N  PHE*     5.2    10.7    -      -       -      +
    258N  ARG      5.8     2.5    -      -       -      -
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Residues in contact with VAL 237 (chain N). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    194N  ALA*     5.6    10.3    -      -       +      -
    207N  PRO*     4.6    21.5    -      -       +      -
    233N  VAL      2.9    16.8    +      -       -      +
    234N  GLU*     4.4     2.7    -      -       -      +
    236N  SER*     1.3    77.2    -      -       -      +
    238N  TYR*     1.3    58.8    +      -       -      +
    240N  HIS*     3.9     6.0    -      -       -      +
    241N  GLY*     2.9    27.0    +      -       -      -
    242N  THR      4.9     0.3    +      -       -      -
    247N  LEU*     4.8    11.3    -      -       +      +
----------------------------------------------------------
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Residues in contact with TYR 238 (chain N). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    234N  GLU      2.9    23.0    +      -       -      +
    235N  ARG*     3.9     6.5    -      -       -      +
    237N  VAL*     1.3    78.0    -      -       -      +
    239N  ARG*     1.3    60.7    +      -       -      +
    240N  HIS      3.6     0.2    +      -       -      -
    241N  GLY*     4.1     6.6    +      -       -      -
----------------------------------------------------------
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Residues in contact with ARG 239 (chain N). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    235N  ARG      2.9    19.9    +      -       -      +
    236N  SER*     3.7     5.4    -      -       -      +
    238N  TYR*     1.3    76.7    -      -       -      +
    240N  HIS*     1.3    64.5    +      -       -      +
    255N  PHE*     4.6    18.8    -      -       +      -
----------------------------------------------------------
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Residues in contact with HIS 240 (chain N). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    236N  SER      2.9    15.5    +      -       -      +
    237N  VAL*     3.9     6.5    -      -       -      +
    238N  TYR      3.3     0.4    -      -       -      -
    239N  ARG*     1.3    81.0    -      -       -      +
    241N  GLY*     1.3    65.4    +      -       -      +
    242N  THR*     3.5    11.3    -      -       -      +
    247N  LEU*     5.9     5.2    -      -       +      -
----------------------------------------------------------
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Residues in contact with GLY 241 (chain N). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    237N  VAL      2.9    19.3    +      -       -      -
    238N  TYR*     4.6     5.8    -      -       -      -
    239N  ARG      3.8     0.4    -      -       -      -
    240N  HIS*     1.3    76.1    -      -       -      +
    242N  THR*     1.3    59.2    +      -       -      +
    243N  SER      4.3     0.6    +      -       -      -
----------------------------------------------------------
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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