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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1g9q
HYDROLASE HEADER
COMPLEX STRUCTURE OF THE ADPR-ASE AND ITS SUBSTRATE ADP- RIBOSE TITLE
HYPOTHETICAL 23.7 KDA PROTEIN IN ICC-TOLC 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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APR C 301
28A PHE
29A PHE
50B ARG
51B ARG
52B GLU
53B ILE
56A ARG
59A ALA
61A VAL
77A GLN
79A ARG
93A GLU
96A ALA
97A GLY
98A MET
112A GLU
116A GLU
130A PHE
132A ALA
133B SER
134B PRO
135B GLY
136B GLY
139A GLU
141A SER
162A GLU
165A ASP
189A ALA
APR C 302
28B PHE
29B PHE
50A ARG
51A ARG
52A GLU
53A ILE
56B ARG
59B ALA
61B VAL
77B GLN
79B ARG
93B GLU
96B ALA
97B GLY
98B MET
100B GLU
112B GLU
116B GLU
130B PHE
132B ALA
133A SER
134A PRO
135A GLY
139B GLU
141B SER
163B ASN
164B GLU
189B ALA
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):

» Jmol
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
1g0s Details
other holo-structures
pdb ID Ligand Unique ID
1khz ADVC_402 _MGB_310 _MGB_304 _MGB_301 Details
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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APR NAME: ADENOSINE-5-DIPHOSPHORIBOSE
FORMULA: C15 H23 N5 O14 P2
SMILES: Nc1ncnc2[n](cnc12)C3OC(COP(O)(=O)OP(O)(=O)OCC4OC(O)C(O)C4O)C(O)C3O
v4.0
May 2008
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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