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

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

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1dup
HYDROLASE HEADER
DEOXYURIDINE 5'-TRIPHOSPHATE NUCLEOTIDO HYDROLASE (D-UTPASE) TITLE
DEOXYURIDINE 5'-TRIPHOSPHATE NUCLEOTIDOHYDROLASE; COMPND
Illustration of Binding SiteHelp

Figure highlighting the binding site residues. Figures were drawn with Molscript (7) and rendered with Raster3D (8). PISA coordinates (3) are used when available (all entries except NMR).

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Contacting ResiduesHelp

List of binding site residues detected in this protein.

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

Chain ID's of residues are not mentioned in this page because all chains in the apo-structure refer to the same protein.

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32 ASP
50 LEU
68 MET
71 ARG
72 SER
73 GLY
74 LEU
76 HIS
77 LYS
82 LEU
84 ASN
87 GLY
88 LEU
89 ILE
90 ASP
93 TYR
96 GLN
97 LEU
98 MET
99 ILE
100 SER
116 ARG
119 GLN
141 ARG
146 PHE
152 GLN
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:

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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holo-structuresHelp

Table describing the holo-structures and ligands used to define the binding sites.

Column 1 gives the PDB ID of the holo-structure.
Column 2 gives the unique ID of the ligand; a space-separated list of HET-groups that constitute the ligand (see Methods). Each HET-group in the ligand is uniquely identified by a string in which the first four characters are the three-letter HET ID from the PDB file followed by the chain ID from the PISA file, and the last four characters are the residue sequence number from the PDB file.
Column 3 gives the number of atoms in each ligand.
Column 4 gives the number of protein-ligand inter-atomic contacts.

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pdb ID Ligand Unique ID #atoms #contacts
1eu5 GOLF_138 GOLF_139 12 72 Details
GOLD_138 GOLD_139 12 72
GOLE_138 GOLE_139 12 71
1rn8 DUPK_777 _MGK_999 29 101 Details
DUPJ_777 _MGJ_999 29 100
DUPL_777 _MGL_999 29 103
DUPG_777 _MGG_999 29 103
DUPI_777 _MGI_999 29 105
DUPH_777 _MGH_999 29 99
1seh UMPL_777 20 81 Details
UMPK_777 20 79
UMPH_777 20 78
UMPI_777 20 80
UMPG_777 20 78
UMPJ_777 20 81
1dud DUDB_150 24 100 Details
DUDC_150 24 102
DUDA_150 24 101
2hrm UC5C_777 24 86 Details
UC5A_777 24 89
UC5B_777 24 83
2hr6 DUDB_777 _MNB_997 25 100 Details
DUDC_777 _MNC_997 25 93
DUDA_777 _MNA_997 25 100
v6.0
October 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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