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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1rxu
TRANSFERASE HEADER
E. COLI URIDINE PHOSPHORYLASE: THYMIDINE PHOSPHATE COMPLEX TITLE
URIDINE PHOSPHORYLASE 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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THM E2062
7E PHE
8E HIS
48E ARG
69F ILE
76E ILE
91F ARG
94F THR
95F THR
96F GLY
162F PHE
166F GLN
168F ARG
195F TYR
196F GLU
197F MET
198F GLU
220F ILE
221F VAL
223F ARG
229F PRO
THM C2042
7C PHE
8C HIS
48C ARG
69D ILE
76C ILE
94D THR
95D THR
96D GLY
162D PHE
166D GLN
168D ARG
195D TYR
196D GLU
197D MET
198D GLU
220D ILE
221D VAL
223D ARG
229D PRO
THM A2012
7B PHE
69A ILE
91A ARG
94A THR
95A THR
96A GLY
162A PHE
166A GLN
168A ARG
195A TYR
196A GLU
197A MET
198A GLU
220A ILE
221A VAL
223A ARG
229A PRO
THM B2012
7B PHE
8B HIS
48B ARG
69A ILE
76B ILE
162A PHE
THM E2052
7F PHE
69E ILE
91E ARG
94E THR
95E THR
96E GLY
162E PHE
166E GLN
168E ARG
195E TYR
196E GLU
197E MET
198E GLU
220E ILE
221E VAL
223E ARG
229E PRO
THM F2052
7F PHE
8F HIS
48F ARG
69E ILE
76F ILE
94E THR
162E PHE
197E MET
198E GLU
THM C2032
7D PHE
69C ILE
94C THR
95C THR
96C GLY
162C PHE
166C GLN
168C ARG
195C TYR
196C GLU
197C MET
198C GLU
220C ILE
221C VAL
223C ARG
229C PRO
THM D2032
7D PHE
8D HIS
48D ARG
69C ILE
76D ILE
94C THR
162C PHE
197C MET
198C GLU
THM A2022
7A PHE
8A HIS
48A ARG
69B ILE
94B THR
95B THR
96B GLY
162B PHE
166B GLN
168B ARG
195B TYR
196B GLU
197B MET
198B GLU
220B ILE
221B VAL
223B ARG
229B PRO
PO4 E2061
26F GLY
30F ARG
48E ARG
69F ILE
91F ARG
92F ILE
93F GLY
94F THR
PO4 D2041
26D GLY
30D ARG
48C ARG
91D ARG
92D ILE
93D GLY
198D GLU
PO4 A2011
26A GLY
30A ARG
48B ARG
91A ARG
92A ILE
93A GLY
94A THR
PO4 B2011
26A GLY
48B ARG
91A ARG
PO4 E2051
26E GLY
30E ARG
48F ARG
91E ARG
92E ILE
93E GLY
94E THR
PO4 F2051
26E GLY
48F ARG
69E ILE
91E ARG
198E GLU
PO4 C2031
26C GLY
30C ARG
48D ARG
91C ARG
92C ILE
93C GLY
94C THR
PO4 D2031
26C GLY
48D ARG
91C ARG
198C GLU
PO4 B2021
26B GLY
30B ARG
48A ARG
69B ILE
91B ARG
92B ILE
93B GLY
198B GLU
PO4 C2041
30D ARG
48C ARG
91D ARG
94D THR
PO4 A2021
30B ARG
48A ARG
91B ARG
94B THR
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
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» 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
1t0u Details
other holo-structures
pdb ID Ligand Unique ID
1rxc R1PC2082 R1PD2082 URFC2081 URFD2081 Details
R1PE2032 URFF2031 URFE2031 R1PF2032
R1PE2002 URFE2001
R1PC2022 URFC2021
R1PA2012 URFA2011
1rxs DURB2012 PO4B2011 Details
DURA3012 DURa3012 PO4A3011
DURC2022 PO4C2021
V7Oa5014 V7Oc5014 V7Ob5013 V7Ob5014 V7Oc5013
DURC3032 PO4c3031 PO4C3031 DURc3032
DURB3022 PO4B3021 DURb3022
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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PO4 NAME: PHOSPHATE ION
FORMULA: O4 P1
SMILES: [O-]P([O-])([O-])=O
THM NAME: THYMIDINE
FORMULA: C10 H14 N2 O5
SMILES: CC1=CN(C2CC(O)C(CO)O2)C(=O)NC1=O
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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