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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3gxy
ANTIVIRAL PROTEIN HEADER
CRYSTAL STRUCTURE OF CYANOVIRIN-N COMPLEXED TO A SYNTHETIC HEXAMANNOSIDE TITLE
CYANOVIRIN-N 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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MAN I 505
1A LEU
2A GLY
3A LYS
4A PHE
6A GLN
7A THR
92F ALA
93F ASN
94F ILE
101F GLU
MAN D 605
1F LEU
2F GLY
3F LYS
4F PHE
6F GLN
7F THR
92A ALA
93A ASN
94A ILE
101A GLU
MAN G 504
7A THR
23A GLU
24A ARG
25A THR
93F ASN
94F ILE
95F ASP
MAN C 604
7F THR
23F GLU
24F ARG
25F THR
93A ASN
94A ILE
95A ASP
OPM E 603
23F GLU
24F ARG
25F THR
26F ASN
27F GLY
29F TYR
OPM H 503
25A 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):

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).

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apo-structure
pdb ID
3ezm Details
other holo-structures
pdb ID Ligand Unique ID
1iiy MANA_201 MANA_202 Details
3gxz BMAC_503 MANK_505 MAND_506 MANJ_504 NAGG_501 MANL_507 NAGI_502 MANH_511 MANF_508 MANE_510 Details
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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MAN NAME: ALPHA-D-MANNOSE
FORMULA: C6 H12 O6
SMILES: OCC1OC(O)C(O)C(O)C1O
OPM NAME: O1-PENTYL-MANNOSE
FORMULA: C11 H22 O6
SMILES: CCCCCOC1OC(CO)C(O)C(O)C1O
v9.7
April 2012
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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