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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1txc
PLANT PROTEIN HEADER
COMPLEX CRYSTAL STRUCTURE OF SPE16 WITH ANS TITLE
PATHOGENESIS-RELATED CLASS 10 PROTEIN SPE-16 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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2AN A 715
36A PRO
37A ILE
57A ALA
58A ASN
59A GLU
60A GLY
134A ASP
137A ALA
138A LYS
141A GLY
142A PHE
144B LYS
145A ALA
147B GLU
148B GLY
151B LEU
152B ALA
2AN B 717
36B PRO
37B ILE
57B ALA
59B GLU
134B ASP
137B ALA
138B LYS
141B GLY
142B PHE
144A LYS
145B ALA
147A GLU
148A GLY
151A LEU
152A ALA
2AN A 716
37A ILE
55A ILE
57A ALA
59A GLU
64A SER
65A PHE
66A VAL
68A GLN
82A TYR
84A ILE
89A GLY
90A LEU
91A PRO
97A LEU
99A PHE
134A ASP
135A ALA
138A LYS
139A GLY
142A PHE
2AN B 718
37B ILE
55B ILE
57B ALA
59B GLU
64B SER
65B PHE
66B VAL
68B GLN
82B TYR
84B ILE
89B GLY
90B LEU
91B PRO
94B LEU
97B LEU
99B PHE
134B ASP
135B ALA
138B LYS
139B GLY
142B PHE
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
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
1tw0 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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2AN NAME: 1-ANILINO-8-NAPHTHALENE SULFONATE
FORMULA: C16 H13 N1 O3 S1
SMILES: OS(=O)(=O)c1cccc2cccc(Nc3ccccc3)c12
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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