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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3bts
TRANSCRIPTION HEADER
CRYSTAL STRUCTURE OF A TERNARY COMPLEX OF THE TRANSCRIPTIONAL REPRESSOR GAL80P (GAL80S0 [G301R]) AND THE ACIDIC ACTIVATION DOMAIN OF GAL4P (AA 854-874) FROM SACCHAROMYCES CEREVISIAE WITH NAD TITLE
GALACTOSE/LACTOSE METABOLISM REGULATORY PROTEIN 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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NAD G 436
23F VAL
24F GLY
26F ASN
29F LYS
30F GLY
31F TRP
32F ALA
53F TYR
54F SER
55F PRO
59F THR
93F ALA
94F ILE
95F GLN
96F VAL
98F SER
99F HIS
101F GLU
102F VAL
122F GLU
123F TRP
149F SER
151F GLN
196F TYR
204F VAL
209F THR
213F HIS
313F GLU
NAD I 436
23H VAL
24H GLY
26H ASN
29H LYS
30H GLY
31H TRP
32H ALA
53H TYR
54H SER
55H PRO
59H THR
93H ALA
94H ILE
95H GLN
96H VAL
98H SER
99H HIS
101H GLU
102H VAL
122H GLU
123H TRP
124H ALA
149H SER
151H GLN
196H TYR
204H VAL
209H THR
213H HIS
312H ALA
NAD D 436
23C VAL
24C GLY
25C LEU
26C ASN
29C LYS
30C GLY
31C TRP
32C ALA
53C TYR
54C SER
55C PRO
59C THR
93C ALA
94C ILE
95C GLN
96C VAL
98C SER
99C HIS
101C GLU
102C VAL
122C GLU
123C TRP
124C ALA
149C SER
151C GLN
196C TYR
204C VAL
209C THR
213C HIS
312C ALA
NAD B 436
23A VAL
24A GLY
26A ASN
29A LYS
30A GLY
31A TRP
32A ALA
53A TYR
54A SER
55A PRO
59A THR
93A ALA
94A ILE
95A GLN
96A VAL
98A SER
99A HIS
101A GLU
102A VAL
122A GLU
123A TRP
124A ALA
149A SER
151A GLN
196A TYR
204A VAL
209A THR
213A HIS
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
3btv 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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NAD NAME: NICOTINAMIDE-ADENINE-DINUCLEOTIDE
FORMULA: C21 H27 N7 O14 P2
SMILES: NC(=O)c1ccc[n+](c1)C2OC(COP([O-])(=O)OP(O)(=O)OCC3OC(C(O)C3O)[n]4cnc5c(N)ncnc45)C(O)C2O
v9.0
September 2010
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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