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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1v9o
SIGNALING PROTEIN HEADER
CRYSTAL STRUCTURE OF TT1020 FROM THERMUS THERMOPHILUS HB8 TITLE
NITROGEN REGULATORY PROTEIN PII 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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ADP D 300
1E MET
3E LEU
7C ILE
27E GLY
28E LEU
29E THR
35C GLY
36C HIS
37C GLY
56C HIS
58C LYS
62E GLU
64E GLY
86C VAL
87C GLY
88C ASP
89C GLY
90C LYS
92C PHE
103E ARG
ADP B 200
1C MET
3C LEU
7A ILE
27C GLY
28C LEU
29C THR
35A GLY
36A HIS
37A GLY
38A GLY
39A GLU
58A LYS
62C GLU
63C ILE
64C GLY
85A GLU
86A VAL
87A GLY
88A ASP
89A GLY
90A LYS
92A PHE
101C ARG
102C ILE
103C ARG
ADP F 400
3A LEU
7E ILE
27A GLY
28A LEU
29A THR
35E GLY
36E HIS
56E HIS
58E LYS
62A GLU
64A GLY
86E VAL
87E GLY
88E ASP
89E GLY
90E LYS
92E PHE
101A ARG
103A ARG
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
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
1vfj Details
other holo-structures
pdb ID Ligand Unique ID
1v3s ATPD_300 Details
ATPF_400
ATPB_200
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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ADP NAME: ADENOSINE-5'-DIPHOSPHATE
FORMULA: C10 H15 N5 O10 P2
SMILES: Nc1ncnc2[n](cnc12)C3OC(COP(O)(=O)OP(O)(O)=O)C(O)C3O
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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