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
26C ASP
59E VAL
62C ARG
63C SER
64C GLY
74E GLY
75E ALA
76E GLY
77E VAL
78E ILE
79E ASP
82E TYR
85E ASN
86E VAL
87E GLY
88E VAL
89E VAL
105C ARG
108C GLN
DUD F 779
59A VAL
62E ARG
63E SER
64E GLY
65E 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
108E GLN
130C ARG
133C GLY
134C GLY
135C PHE
136C GLY
DUD B 778
59C VAL
62A ARG
63A SER
64A GLY
65A LEU
73C VAL
74C GLY
75C ALA
76C GLY
77C VAL
78C ILE
79C ASP
82C TYR
85C ASN
87C GLY
89C VAL
105A ARG
108A GLN
130E ARG
133E GLY
134E GLY
135E PHE
136E 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
v9.4
March 2011
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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