Contacts of the helix formed by residues 19 - 30 (chain F) in PDB entry 5MS0


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 GLU 19 (chain F).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     14F  ALA*     5.5     3.4    -      -       +      -
     17F  GLY      3.8     2.9    -      -       -      +
     18F  PHE*     1.3    78.0    -      -       -      +
     20F  GLY*     1.3    61.8    +      -       -      +
     21F  ARG      3.4     1.8    -      -       -      -
     22F  VAL*     3.1     8.1    +      -       -      +
     23F  ALA*     3.0    25.1    +      -       -      +
     46F  THR*     4.7    15.9    -      -       -      -
     67F  GLY*     4.1    29.2    -      -       -      +
     68F  TYR      5.3     0.7    -      -       -      +
     69F  VAL*     6.2     4.5    -      -       +      -
     13I    A      3.5     2.6    +      -       -      -
----------------------------------------------------------
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Residues in contact with GLY 20 (chain F). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     19F  GLU*     1.3    80.1    -      -       -      +
     21F  ARG*     1.3    58.1    +      -       -      +
     23F  ALA*     3.2    10.4    +      -       -      +
     24F  THR*     2.9    23.3    +      -       -      -
     44F  VAL*     5.3    10.3    -      -       -      -
     46F  THR*     5.6     4.9    -      -       -      -
     47F  GLU      6.2     1.1    -      -       -      -
     48F  GLU*     5.3    15.3    -      -       -      +
     13I    A      3.9     1.2    +      -       -      -
----------------------------------------------------------
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Residues in contact with ARG 21 (chain F). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     20F  GLY*     1.3    72.5    -      -       -      +
     22F  VAL*     1.3    60.5    +      -       -      +
     24F  THR*     3.6    13.4    -      -       -      -
     25F  SER*     2.8    27.5    +      -       -      -
     48F  GLU*     5.8     1.8    -      -       -      +
     12I    T      4.1     4.3    -      -       -      +
     13I    A      3.2    39.2    +      -       -      +
     30J    T      5.2    15.5    -      -       -      +
     31J    A      6.0     0.2    -      -       -      +
----------------------------------------------------------
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Residues in contact with VAL 22 (chain F). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     14F  ALA*     5.8     3.6    -      -       +      -
     18F  PHE      3.9    15.7    -      -       -      +
     19F  GLU*     3.1    14.3    +      -       -      +
     21F  ARG*     1.3    78.4    -      -       -      +
     23F  ALA*     1.3    56.6    -      -       -      +
     25F  SER*     3.3     6.4    +      -       -      -
     26F  LEU*     2.9    25.5    +      -       -      +
     86F  VAL*     4.6     8.5    -      -       +      +
     87F  PRO      4.5    16.2    -      -       -      +
     88F  ARG      4.9     3.8    -      -       -      +
     89F  VAL*     6.4     1.1    -      -       +      -
     13I    A      4.0    10.5    -      -       -      -
----------------------------------------------------------
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Residues in contact with ALA 23 (chain F). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     19F  GLU      3.0    11.5    +      -       -      +
     20F  GLY*     3.2    11.6    +      -       -      +
     22F  VAL*     1.3    75.4    -      -       -      +
     24F  THR*     1.3    63.8    +      -       -      +
     26F  LEU*     3.1    19.1    +      -       -      +
     27F  ARG*     3.1    11.4    +      -       -      +
     42F  VAL*     5.3    13.2    -      -       +      -
     43F  MET      6.0     1.6    -      -       -      +
     44F  VAL*     5.1    13.5    -      -       +      -
----------------------------------------------------------
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Residues in contact with THR 24 (chain F). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     20F  GLY      2.9    16.2    +      -       -      -
     21F  ARG*     3.7    13.5    -      -       -      -
     22F  VAL      3.3     0.2    -      -       -      -
     23F  ALA*     1.3    74.8    -      -       -      +
     25F  SER*     1.3    56.7    +      -       -      +
     27F  ARG*     3.2    12.0    +      -       -      +
     28F  GLU*     2.9    22.9    +      -       -      +
     30J    T      5.4     6.7    -      -       -      -
     31J    A      4.3    17.0    -      -       -      -
----------------------------------------------------------
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Residues in contact with SER 25 (chain F). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     21F  ARG      2.8    19.7    +      -       -      -
     22F  VAL*     3.6     6.1    -      -       -      -
     23F  ALA      3.2     0.2    -      -       -      -
     24F  THR*     1.3    73.9    -      -       -      +
     26F  LEU*     1.3    61.6    +      -       -      +
     27F  ARG      3.3     0.2    -      -       -      -
     28F  GLU*     3.5    12.7    -      -       -      +
     29F  HIS*     2.9    30.7    +      -       -      +
     86F  VAL*     4.5    11.5    -      -       -      +
     87F  PRO      6.0     0.4    -      -       -      -
     13I    A      3.7    19.5    -      -       -      -
----------------------------------------------------------
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Residues in contact with LEU 26 (chain F). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     22F  VAL      2.9    14.1    +      -       -      +
     23F  ALA*     3.1    14.8    +      -       -      +
     25F  SER*     1.3    76.6    -      -       -      +
     27F  ARG*     1.3    56.3    +      -       -      +
     29F  HIS*     5.2     0.7    -      -       -      -
     30F  ILE*     3.0    38.7    +      -       +      +
     82F  LEU      6.0     2.0    -      -       -      +
     83F  VAL*     6.2     4.5    -      -       +      -
     86F  VAL*     4.7     9.2    -      -       +      +
----------------------------------------------------------
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Residues in contact with ARG 27 (chain F). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     23F  ALA      3.1    10.9    +      -       -      +
     24F  THR*     3.2    15.2    +      -       -      +
     26F  LEU*     1.3    76.5    -      -       -      +
     28F  GLU*     1.3    59.9    +      -       -      +
     30F  ILE      5.3     0.9    -      -       -      -
     31F  LYS*     3.3    22.6    +      -       -      +
----------------------------------------------------------
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Residues in contact with GLU 28 (chain F). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     24F  THR      2.9    14.3    +      -       -      +
     25F  SER*     3.6    15.0    -      -       -      +
     26F  LEU      3.2     0.6    -      -       -      -
     27F  ARG*     1.3    74.6    -      -       -      +
     29F  HIS*     1.3    64.2    +      -       -      +
     31F  LYS*     3.3    17.5    -      -       -      +
----------------------------------------------------------
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Residues in contact with HIS 29 (chain F). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     25F  SER      2.9    18.7    +      -       -      +
     26F  LEU*     4.8     0.9    -      -       -      +
     28F  GLU*     1.3    76.4    -      -       +      +
     30F  ILE*     1.3    57.8    +      -       +      +
     31F  LYS*     3.2     6.7    +      -       -      +
     85F  SER      6.4     0.2    -      -       -      -
     86F  VAL*     5.4    10.1    -      -       +      -
----------------------------------------------------------
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Residues in contact with ILE 30 (chain F). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     26F  LEU*     3.0    23.2    +      -       +      +
     27F  ARG*     4.2     1.1    -      -       -      -
     29F  HIS*     1.3    77.1    -      -       +      +
     31F  LYS*     1.3    62.6    +      -       -      +
     33F  HIS*     5.2     4.7    +      -       -      +
----------------------------------------------------------
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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