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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1eed
ASPARTIC PROTEINASE HEADER
X-RAY CRYSTALLOGRAPHIC ANALYSIS OF INHIBITION OF ENDOTHIAPEPSIN BY CYCLOHEXYL RENIN INHIBITORS TITLE
ENDOTHIAPEPSIN 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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FOG I 3
7P ILE
8P ASP
12P ASP
13P ALA
76P GLY
77P ASP
114P ASP
117P ILE
217P GLY
218P THR
219P THR
220P LEU
222P TYR
BOC I 4
12P ASP
77P ASP
219P THR
220P LEU
222P TYR
275P PHE
284P PHE
CHS I 1
30P ASP
32P ASP
34P GLY
75P TYR
76P GLY
77P ASP
79P SER
111P PHE
117P ILE
120P LEU
189P PHE
213P ILE
215P ASP
217P GLY
218P THR
301P ILE
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
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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
4ape Details
other holo-structures
pdb ID Ligand Unique ID
1epp LYSI___2 PHEI___3 STAI___1 MTFI___2 MBAI___2 MASI___4 Details
4er1 BNAI___1 Details
1e82 CYMA___3 MRMA___1 PCHA___4 HFAA___2 Details
1od1 DPHB_401 TSMB_400 Details
1epq GCLI___1 Details
1e81 CPYA___4 MRMC___1 CYMA___3 HFAA___2 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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BOC NAME: TERT-BUTYLOXYCARBONYL GROUP
FORMULA: C5 H9 O2
SMILES: CC(C)(C)OC=O
FOG NAME: PHENYLALANINOYL-[1-HYDROXY]-2-PROPYLENE
FORMULA: C12 H15 N1 O2
SMILES: NC(Cc1ccccc1)C(=O)C=CCO
CHS NAME: 4-AMINO-5-CYCLOHEXYL-3-HYDROXY-PENTANOIC ACID
FORMULA: C11 H21 N1 O3
SMILES: NC(CC1CCCCC1)C(O)CC(O)=O
v3.0
January 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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