university lille north of france LigASite database of binding sites
holo-structureHelp

PDB ID and HEADER, TITLE and COMPND records of the PDB file.

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3gqk
VIRAL PROTEIN HEADER
CRYSTAL STRUCTURE OF THE BACTERIOPHAGE PHI29 GENE PRODUCT 12 C-TERMINAL FRAGMENT IN COMPLEX WITH ATP TITLE
PRENECK APPENDAGE PROTEIN COMPND
Illustration of Binding SiteHelp

Figure showing the binding site residues. Ligands are displayed as CPK. Figures were drawn with Molscript (7) and rendered with Raster3D (8). PISA coordinates (3) are used when available (all entries except NMR). Ligands do not appear on the picture when PISA fails to apply symmetry operations to ligand coordinates.

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HETgroup - Residue ContactsHelp

List of binding site residues detected in this holo-structure.

Column 1 gives the position, coloured on a yellow-to-red scale depending on the number of holo-structures where the residue is in contact with a ligand.
Column 2 gives the identifier of the chain to which the residue belongs.
Column 3 gives the 3-letter amino acid code, coloured according to physico-chemical type.

The binding residues in this holo structure are listed for each ligand independently, following the ligand's unique ID.

Note that since PISA files are used whenever available, chain identifiers may differ from those in original PDB files.

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ATP H 1
698G GLU
746G TRP
747G GLN
779G ASP
780G PHE
781G ASP
784G LYS
785G ASN
786G TYR
787G ILE
789G ARG
792G ARG
794G GLU
795G TRP
MG I 855
698G GLU
794G GLU
ATP B 1
698A GLU
746A TRP
747A GLN
779A ASP
780A PHE
781A ASP
784A LYS
785A ASN
786A TYR
787A ILE
789A ARG
792A ARG
794A GLU
795A TRP
MG C 855
698A GLU
794A GLU
ATP E 1
698D GLU
746D TRP
747D GLN
779D ASP
780D PHE
781D ASP
784D LYS
785D ASN
786D TYR
787D ILE
789D ARG
792D ARG
794D GLU
795D TRP
MG F 855
698D GLU
794D GLU
External LinksHelp

PDB The Protein Data Bank
CSA Catalytic Site Atlas
PDBSum Overview of the macromolecular structure
CATH Protein Structure Classification
Scop Structural Classification of Proteins
Pfam Protein Families and Domains
UniProt Universal Protein Resource

LIGPLOT (only on holo-pages) is hosted at the EBI.

The LigPlot Jmol links point directly to the Jmol visualisation interface provided on the PDBSum page.

Note that due to different software used, the atomic contacts of LigPlot and LigASite do not necessarily correspond.

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Links to external databases:

LigPlot (hosted at the EBI):

Download FilesHelp

Several files are provided for download:

• The XML file defining the residue-ligand contacts; this file contains data on the apo and all holo-structures.
• The XML Schema file defining the semantics of the XML file
• 3D coordinates of the structure used in constructing LigASite (PISA structure file whenever available, PDB file otherwise.
• 3D coordinates of the combined binding residues in the apo structure
• 3D coordinates of the binding residues of the holo structure (only on the holo page)

Coordinate files are in PDB format.

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Hide table of related structures
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List of related structure, containing both the apo-structure and other holo-structures.

Column 1 gives the PDB ID and column 2 the unique ID of the ligands (holo-structures only).

Clicking the blue 'Hide table of related structures' button removes the entire table.

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apo-structure
pdb ID
3gqh Details
other holo-structures
pdb ID Ligand Unique ID
none
Ligand ListHelp

Ligands present in this holo structure.

Column 1 shows the ligand HET code
Column 2 shows the name, chemical formula and (non-stereo) SMILES string.

Data in column 2 appears as 'not_found' when it is not present in the file 'pdb2smiles.xml' from www.rcsb.org.

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ATP NAME: ADENOSINE-5'-TRIPHOSPHATE
FORMULA: C10 H16 N5 O13 P3
SMILES: Nc1ncnc2[n](cnc12)C3OC(COP(O)(=O)OP(O)(=O)OP(O)(O)=O)C(O)C3O
MG NAME: MAGNESIUM ION
FORMULA: MG1
SMILES: [Mg++]
v9.6
January 2012
Interdisciplinary Research Institute, Computational Biology, Villeneuve d'Ascq, France
University College London, Biomolecular Structure and Modelling Unit, London, UK
Hospital for Sick Children and University of Toronto, Structural Biology and Biochemistry Program, Toronto, Canada
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