Contacts of the helix formed by residues 515 - 531 (chain C) in PDB entry 1EF1


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 515 (chain C).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    190A  GLU*     3.9    13.9    +      -       -      -
    193A  LYS*     4.5     2.6    -      -       -      +
    511C  GLU*     2.6    46.8    +      -       +      +
    512C  ALA      3.1    18.0    -      -       -      +
    514C  LYS*     1.3    72.1    -      -       -      +
    516C  GLU*     1.3    63.4    +      -       -      +
    517C  ARG*     3.1    22.0    +      -       -      +
    518C  VAL*     3.1    27.4    +      -       +      +
    519C  GLN*     3.2    11.4    +      -       -      +
----------------------------------------------------------
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Residues in contact with GLU 516 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    514C  LYS      4.0     2.8    +      -       -      -
    515C  ASN*     1.3    71.0    +      -       -      +
    517C  ARG*     1.3    60.8    +      -       -      +
    519C  GLN*     3.4    14.9    +      -       -      +
    520C  LYS*     2.9    28.8    +      -       -      +
----------------------------------------------------------
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Residues in contact with ARG 517 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    515C  ASN*     3.1     9.0    +      -       -      +
    516C  GLU*     1.3    75.3    -      -       -      +
    518C  VAL*     1.3    60.0    +      -       +      +
    520C  LYS*     3.3     6.6    +      -       -      +
    521C  HIS*     2.8    47.4    +      -       +      +
----------------------------------------------------------
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Residues in contact with VAL 518 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    124A  LEU*     4.3     2.7    -      -       +      -
    128A  TYR*     3.8    17.3    -      -       -      +
    190A  GLU*     3.4    26.5    -      -       -      +
    194A  ILE*     3.8    23.3    -      -       +      -
    511C  GLU*     4.8     0.7    -      -       +      -
    512C  ALA*     3.9    26.2    -      -       +      +
    515C  ASN*     3.1    27.6    +      -       +      +
    517C  ARG*     1.3    75.1    -      -       +      +
    519C  GLN*     1.3    59.6    +      -       -      +
    521C  HIS*     3.1     8.7    +      -       -      +
    522C  LEU*     2.9    38.4    +      -       +      +
----------------------------------------------------------
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Residues in contact with GLN 519 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    512C  ALA*     3.0    28.9    +      -       +      +
    513C  GLU*     4.3    11.4    +      -       -      +
    515C  ASN      3.2    11.4    +      -       -      +
    516C  GLU*     3.5    14.6    -      -       -      +
    518C  VAL*     1.3    80.8    -      -       -      +
    520C  LYS*     1.3    62.3    +      -       -      +
    522C  LEU*     3.5     6.2    +      -       -      +
    523C  LYS*     3.2    32.3    +      -       +      +
----------------------------------------------------------
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Residues in contact with LYS 520 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    175A  TRP*     4.3    14.1    -      -       -      -
    178A  GLU*     4.7     8.1    +      -       -      -
    516C  GLU      2.9    17.3    +      -       -      +
    517C  ARG*     3.7     5.8    -      -       -      +
    519C  GLN*     1.3    74.5    -      -       -      +
    521C  HIS*     1.3    95.4    +      -       +      +
    523C  LYS*     3.4     6.5    +      -       -      +
    524C  ALA*     3.1    30.6    +      -       -      +
----------------------------------------------------------
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Residues in contact with HIS 521 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    124A  LEU*     4.0    20.2    -      -       +      -
    128A  TYR*     3.7    22.4    +      -       -      -
    175A  TRP*     3.6    17.7    -      +       +      -
    178A  GLU*     3.6    37.1    +      -       +      +
    179A  HIS*     4.3     7.8    +      +       -      -
    517C  ARG*     2.8    30.8    +      -       +      +
    518C  VAL*     3.1     7.8    +      -       -      +
    520C  LYS*     1.3    99.0    +      -       +      +
    522C  LEU*     1.3    58.1    +      -       -      +
    524C  ALA*     3.2     4.5    +      -       -      +
    525C  LEU*     2.9    33.7    +      -       +      +
----------------------------------------------------------
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Residues in contact with LEU 522 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    120A  GLU*     4.0    13.9    -      -       +      +
    121A  THR*     3.8    39.5    -      -       +      +
    124A  LEU*     3.7    23.3    -      -       +      -
    194A  ILE*     6.0     3.8    -      -       +      -
    512C  ALA*     4.0    26.2    -      -       +      -
    518C  VAL*     2.9    23.2    +      -       +      +
    519C  GLN*     3.9     5.4    -      -       -      +
    521C  HIS*     1.3    76.6    -      -       -      +
    523C  LYS*     1.3    58.4    +      -       +      +
    525C  LEU*     3.3     5.1    +      -       -      +
    526C  THR*     2.9    32.5    +      -       -      -
----------------------------------------------------------
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Residues in contact with LYS 523 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    519C  GLN*     3.2    27.5    +      -       +      +
    520C  LYS*     3.7     7.6    -      -       -      +
    521C  HIS      3.2     0.2    -      -       -      -
    522C  LEU*     1.3    72.7    -      -       +      +
    524C  ALA*     1.3    66.0    +      -       -      +
    526C  THR*     3.3    26.6    +      -       -      +
    527C  SER*     3.3    15.6    +      -       -      -
----------------------------------------------------------
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Residues in contact with ALA 524 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    175A  TRP*     4.0    11.0    -      -       +      -
    520C  LYS*     3.1    26.5    +      -       -      +
    521C  HIS      3.4     8.7    -      -       -      +
    523C  LYS*     1.3    78.4    -      -       -      +
    525C  LEU*     1.3    60.4    +      -       -      +
    527C  SER*     3.1     8.9    +      -       -      -
    528C  GLU*     2.9    43.0    +      -       -      +
----------------------------------------------------------
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Residues in contact with LEU 525 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    120A  GLU*     3.3    33.2    -      -       +      +
    123A  VAL*     3.5    24.0    -      -       +      -
    124A  LEU*     3.7    28.5    -      -       +      +
    175A  TRP*     3.3    39.5    -      -       +      +
    521C  HIS      2.9    19.8    +      -       -      +
    522C  LEU*     3.3     6.5    +      -       -      +
    524C  ALA*     1.3    73.1    -      -       -      +
    526C  THR*     1.3    66.0    +      -       -      +
    528C  GLU*     4.1     7.6    -      -       -      +
    529C  LEU*     3.1    37.6    +      -       +      +
----------------------------------------------------------
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Residues in contact with THR 526 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    120A  GLU*     3.8    27.8    +      -       -      +
    522C  LEU*     2.9    17.9    +      -       -      +
    523C  LYS*     3.6    23.2    +      -       -      +
    524C  ALA      3.2     0.6    -      -       -      -
    525C  LEU*     1.3    77.1    -      -       -      +
    527C  SER*     1.3    62.3    +      -       -      +
    529C  LEU*     4.0     1.0    -      -       -      +
    530C  ALA*     3.1    24.3    +      -       +      +
----------------------------------------------------------
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Residues in contact with SER 527 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    523C  LYS      3.3    10.3    +      -       -      -
    524C  ALA*     3.1    10.8    +      -       -      -
    526C  THR*     1.3    78.3    -      -       -      +
    528C  GLU*     1.3    64.3    +      -       -      +
    529C  LEU      3.2     1.0    +      -       -      -
    530C  ALA*     3.2    18.9    +      -       -      +
    531C  ASN*     4.3     4.3    +      -       -      +
----------------------------------------------------------
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Residues in contact with GLU 528 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    171A  ARG*     3.0    42.0    +      -       -      +
    174A  VAL*     5.7     3.2    -      -       -      +
    175A  TRP*     3.1    41.6    +      -       -      -
    524C  ALA*     2.9    24.3    +      -       -      +
    525C  LEU*     4.0     8.8    -      -       +      +
    526C  THR      3.5     0.2    -      -       -      -
    527C  SER*     1.3    77.2    -      -       -      +
    529C  LEU*     1.3    61.3    +      -       +      +
    531C  ASN*     4.6     5.0    +      -       -      +
    532C  ALA      4.8     0.9    +      -       -      -
----------------------------------------------------------
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Residues in contact with LEU 529 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    119A  PRO*     4.1    28.7    -      -       +      +
    120A  GLU*     4.2    12.8    -      -       -      +
    123A  VAL*     4.1    12.8    -      -       +      -
    161A  HIS*     3.9    23.9    -      -       +      +
    163A  LEU*     4.8     2.0    -      -       +      -
    168A  TRP*     4.0    27.8    -      -       +      -
    171A  ARG*     3.6    22.2    -      -       +      +
    525C  LEU*     3.1    28.5    +      -       +      +
    526C  THR      4.4     1.1    -      -       -      +
    528C  GLU*     1.3    77.9    -      -       +      +
    530C  ALA*     1.3    57.0    +      -       -      +
    531C  ASN      3.1     3.1    -      -       -      -
    532C  ALA*     2.8    25.8    +      -       +      +
    533C  ARG*     3.0    13.5    +      -       -      +
----------------------------------------------------------
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Residues in contact with ALA 530 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    526C  THR*     3.1    15.5    +      -       +      +
    527C  SER*     3.2    15.1    +      -       -      +
    529C  LEU*     1.3    75.0    -      -       -      +
    531C  ASN*     1.3    61.6    -      -       -      +
    532C  ALA      3.6     0.3    +      -       -      -
    533C  ARG*     3.8    17.2    +      -       -      +
    535C  GLU*     5.6     2.3    -      -       -      +
----------------------------------------------------------
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Residues in contact with ASN 531 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    162A  LYS*     6.1     0.3    -      -       -      +
    171A  ARG*     5.8     2.0    -      -       -      +
    527C  SER      4.3     3.4    +      -       -      +
    528C  GLU      4.6     4.7    +      -       -      +
    529C  LEU      3.1     0.8    -      -       -      -
    530C  ALA*     1.3    80.2    -      -       -      +
    532C  ALA*     1.3    59.2    +      -       -      +
    533C  ARG      3.5     2.9    -      -       -      +
----------------------------------------------------------
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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