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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1jn2
SUGAR BINDING PROTEIN HEADER
CRYSTAL STRUCTURE OF MESO-TETRASULPHONATOPHENYL PORPHYRIN COMPLEXED WITH CONCANAVALIN A TITLE
CONCANAVALIN A 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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SFP D1001
12P TYR
14P ASN
16P ASP
33P ARG
98P GLY
99P LEU
100P TYR
208P ASP
226P THR
227P GLY
228P ARG
229P LEU
SFP G1001
12C TYR
14C ASN
16C ASP
33C ARG
98C GLY
99C LEU
100C TYR
208C ASP
226C THR
227C GLY
228C ARG
229C LEU
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
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
1dq0 Details
other holo-structures
pdb ID Ligand Unique ID
1ona MANB_240 MMAB_241 MANB_242 Details
MANC_240 MMAC_241 MANC_242
MANA_240 MANA_242 MMAA_241
MAND_240 MMAD_241 MAND_242
1cjp MUGC_240 Details
1bxh AMGD_241 AMGD_242 Details
1tei MANA_241 MANA_243 NAGA_244 MANA_242 NAGA_240 Details
MAND_241 MAND_243 NAGD_244 NAGD_240 MAND_242
MANC_241 MANC_243 NAGC_240 NAGC_244 MANC_242
MANB_241 MANB_243 MANB_242 NAGB_244 NAGB_240
1cvn MANA_240 MANA_241 MANA_242 Details
MANC_240 MANC_241 MANC_242
MAND_240 MAND_241 MAND_242
MANB_240 MANB_242 MANB_241
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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SFP NAME: 5,10,15,20-TETRAKIS(4-SULPFONATOPHENYL)-21H,23H-PORPHINE
FORMULA: C44 H34 N4 O12 S4
SMILES: OS(O)([O-])c1ccc(cc1)C2=C3NC(=C(c4ccc(cc4)S(O)(O)[O-])C5=NC(=C(c6[nH]c(cc6)C(=C7C=CC2=N7)c8ccc(cc8)S(O)(O)[O-])c9ccc(cc9)S(O)(O)[O-])C=C5)C=C3
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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