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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1g97
TRANSFERASE HEADER
S.PNEUMONIAE GLMU COMPLEXED WITH UDP-N-ACETYLGLUCOSAMINE AND MG2+ TITLE
N-ACETYLGLUCOSAMINE-1-PHOSPHATE 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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UD1 D 500
8A LEU
9A ALA
10A ALA
11A GLY
13A GLY
22A LYS
23A VAL
51A VAL
72A GLN
75A GLN
77A GLY
78A THR
81A ALA
100A ALA
101A GLY
102A ASP
103A THR
137A GLY
138A TYR
139A GLY
154A GLU
169A ASN
170A THR
171A GLY
173A TYR
195A GLU
197A TYR
198A ILE
199A THR
223A SER
225A GLY
227A ASN
UD1 E 500
8B LEU
9B ALA
10B ALA
11B GLY
13B GLY
22B LYS
23B VAL
51B VAL
72B GLN
75B GLN
77B GLY
78B THR
81B ALA
100B ALA
101B GLY
102B ASP
103B THR
137B GLY
138B TYR
139B GLY
154B GLU
169B ASN
170B THR
171B GLY
173B TYR
195B GLU
197B TYR
198B ILE
199B THR
223B SER
225B GLY
227B ASN
UD1 F 500
8C LEU
9C ALA
10C ALA
11C GLY
13C GLY
22C LYS
23C VAL
51C VAL
72C GLN
75C GLN
77C GLY
78C THR
81C ALA
100C ALA
101C GLY
102C ASP
103C THR
137C GLY
138C TYR
139C GLY
154C GLU
169C ASN
170C THR
171C GLY
173C TYR
195C GLU
197C TYR
198C ILE
199C THR
225C GLY
227C ASN
MG D 1
102A ASP
225A GLY
226A VAL
227A ASN
MG E 1
102B ASP
225B GLY
226B VAL
227B ASN
MG F 1
102C ASP
225C GLY
226C VAL
227C ASN
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):

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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
1g95 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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UD1 NAME: URIDINE-DIPHOSPHATE-N-ACETYLGLUCOSAMINE
FORMULA: C17 H27 N3 O17 P2
SMILES: CC(=O)NC1C(O)C(O)C(CO)OC1OP(O)(=O)OP(O)(=O)OCC2OC(C(O)C2O)N3C=CC(=O)NC3=O
MG NAME: MAGNESIUM ION
FORMULA: MG1
SMILES: [Mg++]
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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