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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1jq3
TRANSFERASE HEADER
CRYSTAL STRUCTURE OF SPERMIDINE SYNTHASE IN COMPLEX WITH TRANSITION STATE ANALOGUE ADODATO TITLE
SPERMIDINE SYNTHASE 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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AAT B 800
45A ILE
46A GLN
60A PHE
62A LEU
65A ILE
66A THR
67A MET
68A THR
76A TYR
77A HIS
97A ILE
98A GLY
99A GLY
100A GLY
101A ASP
120A CYS
121A GLU
122A VAL
126A VAL
151A ALA
152A ASN
153A GLY
170A ASP
171A SER
172A THR
173A ASP
178A GLN
179A GLY
181A HIS
182A LEU
204A GLU
206A GLU
239A TYR
240A PRO
244A TRP
AAT D 802
46C GLN
60C PHE
62C LEU
65C ILE
66C THR
67C MET
68C THR
76C TYR
77C HIS
97C ILE
98C GLY
99C GLY
100C GLY
101C ASP
120C CYS
121C GLU
122C VAL
126C VAL
151C ALA
152C ASN
153C GLY
170C ASP
171C SER
172C THR
173C ASP
177C GLY
178C GLN
179C GLY
181C HIS
182C LEU
204C GLU
239C TYR
240C PRO
244C TRP
AAT G 801
46F GLN
60F PHE
62F LEU
65F ILE
66F THR
67F MET
68F THR
76F TYR
77F HIS
97F ILE
98F GLY
99F GLY
100F GLY
101F ASP
120F CYS
121F GLU
122F VAL
126F VAL
151F ALA
152F ASN
153F GLY
170F ASP
171F SER
172F THR
173F ASP
174F PRO
181F HIS
182F LEU
204F GLU
206F GLU
239F TYR
240F PRO
244F TRP
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).

Clicking the blue 'Hide table of related structures' button removes the entire table.

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apo-structure
pdb ID
1inl 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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AAT NAME: S-ADENOSYL-1,8-DIAMINO-3-THIOOCTANE
FORMULA: C18 H29 N7 O3 S1
SMILES: NCCCCCC(SCC1OC(C(O)C1O)[n]2cnc3c(N)ncnc23)=CCN
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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