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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1q5h
HYDROLASE HEADER
HUMAN DUTP PYROPHOSPHATASE COMPLEX WITH DUDP TITLE
DUTP PYROPHOSPHATASE 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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DUD D 777
26B ASP
59C VAL
62B ARG
63B SER
64B GLY
74C GLY
75C ALA
76C GLY
77C VAL
78C ILE
79C ASP
82C TYR
85C ASN
86C VAL
87C GLY
88C VAL
89C VAL
105B ARG
108B GLN
DUD D 779
59A VAL
62C ARG
63C SER
64C GLY
65C LEU
73A VAL
74A GLY
75A ALA
76A GLY
77A VAL
78A ILE
79A ASP
82A TYR
85A ASN
86A VAL
87A GLY
88A VAL
89A VAL
108C GLN
130B ARG
133B GLY
134B GLY
135B PHE
136B GLY
DUD D 778
59B VAL
62A ARG
63A SER
64A GLY
65A LEU
73B VAL
74B GLY
75B ALA
76B GLY
77B VAL
78B ILE
79B ASP
82B TYR
85B ASN
87B GLY
89B VAL
105A ARG
108A GLN
130C ARG
133C GLY
134C GLY
135C PHE
136C GLY
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
» 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
Help

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
1q5u 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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DUD NAME: DEOXYURIDINE-5'-DIPHOSPHATE
FORMULA: C9 H14 N2 O11 P2
SMILES: OC1CC(OC1COP(O)(=O)OP(O)(O)=O)N2C=CC(=O)NC2=O
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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