Contacts of the strand formed by residues 325 - 337 (chain A) in PDB entry 1L9N


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 SER 325 (chain A).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    298A  SER      4.0     0.3    -      -       -      +
    299A  ALA*     3.4     3.1    -      -       -      +
    300A  HIS*     2.8    40.2    +      -       -      +
    308A  VAL*     4.4     2.2    -      -       -      +
    309A  ASP      5.4     2.7    -      -       -      -
    310A  VAL*     6.0     2.0    -      -       -      -
    323A  SER      5.0     1.1    -      -       -      -
    324A  ASP*     1.3    80.1    -      -       -      +
    326A  VAL*     1.3    65.0    +      -       -      +
    327A  TRP*     3.1    26.7    +      -       -      -
    526A  ASN      4.6     5.4    -      -       -      -
    527A  GLY*     6.3     0.2    -      -       -      -
----------------------------------------------------------
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Residues in contact with VAL 326 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    297A  ASN*     4.0    22.2    -      -       +      +
    298A  SER      3.4     7.6    -      -       -      +
    299A  ALA*     4.5     0.7    -      -       +      -
    308A  VAL*     3.8    25.1    -      -       +      -
    310A  VAL*     4.3    21.3    -      -       +      +
    325A  SER*     1.3    79.6    -      -       -      +
    327A  TRP*     1.3    72.8    +      -       -      +
    328A  ASN      4.1     0.5    +      -       -      -
    396A  ARG*     4.3    13.9    -      -       -      +
    418A  ILE*     4.1    14.6    -      -       +      -
    526A  ASN      3.3    10.7    -      -       -      +
    527A  GLY*     4.5     4.2    -      -       -      -
    570A  ARG*     5.1     6.2    +      -       -      -
----------------------------------------------------------
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Residues in contact with TRP 327 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    236A  TRP*     3.8    28.3    -      +       -      -
    272A  CYS*     4.3     2.7    -      -       +      -
    297A  ASN*     3.2     6.6    -      -       -      +
    298A  SER*     2.7    39.4    +      -       -      +
    300A  HIS*     4.8     3.2    +      -       +      +
    325A  SER*     3.1    25.4    +      -       -      -
    326A  VAL*     1.3    75.5    -      -       -      +
    328A  ASN*     1.3    67.2    +      -       -      +
    329A  PHE      3.0    24.5    +      -       -      +
    330A  HIS*     3.8    25.4    -      -       +      -
    355A  THR*     4.4     0.9    -      -       +      -
    357A  GLN*     3.2    36.5    +      -       +      -
    525A  TYR*     3.5    28.0    -      +       -      -
    526A  ASN*     3.3    37.3    +      -       +      +
----------------------------------------------------------
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Residues in contact with ASN 328 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    165A  GLY      4.0    15.4    +      -       -      +
    166A  SER*     4.6     6.6    -      -       -      -
    167A  THR*     4.6     1.9    -      -       -      +
    296A  PHE*     3.4    11.1    -      -       -      +
    297A  ASN*     3.0    22.0    +      -       -      +
    326A  VAL      4.1     1.0    +      -       -      -
    327A  TRP*     1.3    70.6    -      -       -      +
    329A  PHE*     1.3    67.0    +      -       +      +
    523A  ILE*     4.0     7.7    -      -       -      +
    525A  TYR*     2.8    42.2    +      -       -      +
    526A  ASN      4.7     0.2    -      -       -      -
    527A  GLY*     5.5     0.6    -      -       -      -
    568A  MET*     3.3    30.1    -      -       +      +
    570A  ARG*     4.6     2.8    +      -       -      -
    588A  ASP*     2.8    25.5    -      -       -      +
----------------------------------------------------------
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Residues in contact with PHE 329 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    164A  VAL*     3.7    27.1    -      -       +      -
    165A  GLY*     3.1    36.6    -      -       -      -
    247A  ARG*     4.6     7.2    -      -       -      -
    272A  CYS*     4.2     0.7    -      -       -      -
    273A  TRP*     4.1    17.3    -      +       -      -
    294A  THR*     4.1     7.9    -      -       +      -
    295A  ASN      3.0    11.7    -      -       -      +
    296A  PHE*     3.5    20.9    -      +       +      -
    298A  SER*     4.4     0.4    -      -       -      -
    327A  TRP*     2.9    13.1    -      -       -      +
    328A  ASN*     1.3    84.8    -      -       +      +
    330A  HIS*     1.3    63.0    +      -       -      +
    331A  VAL*     3.8    22.9    -      -       +      -
    525A  TYR*     3.2    57.2    +      +       +      -
----------------------------------------------------------
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Residues in contact with HIS 330 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    272A  CYS*     3.1    28.7    -      -       +      +
    293A  ILE      3.9     0.7    -      -       -      +
    294A  THR*     3.7     0.2    -      -       -      -
    295A  ASN*     2.8    33.5    +      -       -      +
    298A  SER*     3.4    20.0    -      -       -      +
    327A  TRP*     3.8    13.0    -      +       +      -
    329A  PHE*     1.3    76.2    -      -       -      +
    331A  VAL*     1.3    76.9    +      -       -      +
    332A  TRP*     3.4    17.6    -      +       -      -
    353A  ASP*     2.6    23.5    +      -       -      -
    355A  THR*     3.4    20.2    -      -       +      -
    357A  GLN*     3.1    17.9    +      -       -      -
    391A  GLU*     3.0    24.7    -      -       -      -
----------------------------------------------------------
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Residues in contact with VAL 331 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    162A  ILE*     3.9    11.2    -      -       +      -
    163A  PHE      4.2     0.2    -      -       -      +
    272A  CYS*     3.3    12.3    -      -       -      +
    273A  TRP*     3.9    23.6    -      -       +      +
    276A  ALA*     3.6    11.5    -      -       +      +
    292A  VAL*     3.2    35.2    -      -       +      -
    293A  ILE      3.1     7.2    -      -       -      +
    294A  THR*     3.6    16.8    -      -       -      +
    329A  PHE*     3.8    24.0    -      -       +      -
    330A  HIS*     1.3   100.5    +      -       -      +
    332A  TRP*     1.3    61.1    +      -       -      +
    353A  ASP*     4.0     2.6    -      -       -      +
    355A  THR*     4.2     0.3    +      -       -      -
----------------------------------------------------------
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Residues in contact with TRP 332 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    276A  ALA*     4.2     2.5    -      -       -      -
    292A  VAL*     3.5     7.8    -      -       -      +
    293A  ILE*     2.7    55.4    +      -       +      +
    295A  ASN*     3.6    29.2    -      -       +      -
    298A  SER*     4.0     0.9    -      -       -      -
    330A  HIS*     3.4    27.6    -      +       -      -
    331A  VAL*     1.3    73.5    -      -       -      +
    333A  ASN*     1.3    91.9    +      -       -      +
    351A  VAL*     3.7    17.5    -      -       +      +
    352A  LEU      3.7     2.9    -      -       -      +
    353A  ASP*     3.7    23.6    -      -       +      +
    388A  ILE*     5.0     4.3    -      -       +      -
    391A  GLU*     3.6    28.0    -      -       +      -
    392A  VAL*     3.5    26.0    -      -       +      -
    422A  ILE*     5.1     0.4    -      -       +      -
    439A  TYR*     2.8    44.0    +      +       -      -
----------------------------------------------------------
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Residues in contact with ASN 333 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    276A  ALA*     2.8    43.2    +      -       -      +
    279A  LEU*     3.4    23.4    -      -       +      +
    280A  ASN*     3.2    31.1    -      -       -      +
    283A  LEU*     4.5     9.0    -      -       +      -
    291A  ARG      3.4     6.7    -      -       -      +
    292A  VAL*     4.0     4.8    -      -       -      +
    293A  ILE      4.5     0.4    -      -       -      +
    332A  TRP*     1.3    85.9    -      -       -      +
    334A  GLU*     1.3    65.8    +      -       -      +
    351A  VAL*     3.3     5.5    -      -       -      -
    352A  LEU*     2.8    38.2    +      -       +      +
    353A  ASP*     5.1     0.9    -      -       -      -
    354A  ALA      5.1     0.7    +      -       -      -
----------------------------------------------------------
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Residues in contact with GLU 334 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    283A  LEU*     5.3     0.2    -      -       -      -
    290A  SER*     3.1    25.9    -      -       -      -
    291A  ARG*     2.8    45.9    +      -       +      -
    293A  ILE*     3.3    23.5    -      -       +      +
    333A  ASN*     1.3    78.8    -      -       -      +
    335A  GLY*     1.3    58.7    +      -       -      +
    349A  TRP*     3.4    29.2    -      -       +      -
    350A  GLN      3.0     9.0    -      -       -      +
    351A  VAL*     4.7     0.9    -      -       -      -
    352A  LEU*     5.1     0.7    -      -       -      -
    371A  VAL*     3.6     8.6    -      -       +      +
    435A  VAL*     5.1     0.2    -      -       -      +
    439A  TYR*     2.4    43.0    +      -       -      +
----------------------------------------------------------
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Residues in contact with GLY 335 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    288A  ILE*     4.2     6.3    -      -       -      -
    289A  PRO      3.4     7.4    -      -       -      -
    290A  SER*     4.3     2.9    -      -       -      -
    334A  GLU*     1.3    75.0    -      -       -      +
    336A  TRP*     1.3    59.6    +      -       -      -
    337A  PHE*     4.0    16.8    -      -       -      -
    348A  GLY      3.4     1.2    -      -       -      +
    349A  TRP*     3.4     4.7    -      -       -      -
    350A  GLN*     2.6    37.4    +      -       -      +
    352A  LEU*     4.4    10.1    -      -       -      +
----------------------------------------------------------
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Residues in contact with TRP 336 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    143A  VAL*     3.6    20.0    -      -       -      +
    144A  PHE      2.8    30.1    +      -       -      -
    145A  MET*     3.6    26.5    -      -       +      +
    150A  GLU*     6.0     2.2    -      -       -      -
    288A  ILE*     4.1     0.4    -      -       -      +
    289A  PRO*     2.8    34.0    +      -       +      +
    335A  GLY*     1.3    72.1    -      -       -      -
    337A  PHE*     1.3    73.6    +      -       -      +
    348A  GLY*     3.4    25.4    -      -       -      -
    349A  TRP*     3.4    54.5    -      +       +      -
----------------------------------------------------------
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Residues in contact with PHE 337 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    142A  SER      3.2    16.8    -      -       -      +
    143A  VAL*     4.1     0.7    -      -       -      -
    212A  PRO*     3.6    45.5    -      -       +      -
    213A  LYS*     3.8    23.8    -      -       +      -
    288A  ILE*     4.0    14.1    -      -       +      -
    335A  GLY*     4.0    15.7    -      -       -      -
    336A  TRP*     1.3    93.3    -      -       -      +
    338A  VAL*     1.3    76.7    +      -       -      +
    339A  ARG*     3.9     5.4    -      -       -      -
    348A  GLY      3.2    27.9    +      -       -      +
    350A  GLN*     3.3    35.7    +      -       +      -
    352A  LEU*     4.7     9.6    -      -       +      -
    368A  PRO*     3.8    14.4    -      -       +      -
----------------------------------------------------------
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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