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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1f6a
IMMUNE SYSTEM HEADER
STRUCTURE OF THE HUMAN IGE-FC BOUND TO ITS HIGH AFFINITY RECEPTOR FC(EPSILON)RI(ALPHA) TITLE
IG EPSILON CHAIN C REGION 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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CPS L 371
331J SER
332J ASN
333J PRO
334A ARG
335A GLY
427A ARG
NAG Q 694
334J ARG
361J VAL
362J ASP
392J GLN
394J ASN
396J THR
398J THR
NAG P 695
334J ARG
339J TYR
359J LEU
361J VAL
362J ASP
390J GLU
392J GLN
398J THR
NAG F 695
337A SER
339A TYR
359A LEU
361A VAL
362A ASP
390A GLU
392A GLN
398A THR
MAN N 696
339J TYR
341J SER
359J LEU
MAN H 696
339A TYR
341A SER
359A LEU
MAN G 698
339A TYR
MAN D 697
341A SER
NAG I 694
361A VAL
362A ASP
392A GLN
393A ARG
394A ASN
396A THR
398A THR
CPS M 105
365J PRO
366J SER
367J LYS
368J GLY
423J PRO
424J HIS
MAN E 699
494A GLN
496J 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
1fp5 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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NAG NAME: N-ACETYL-D-GLUCOSAMINE
FORMULA: C8 H15 N1 O6
SMILES: CC(=O)NC1C(O)OC(CO)C(O)C1O
MAN NAME: ALPHA-D-MANNOSE
FORMULA: C6 H12 O6
SMILES: OCC1OC(O)C(O)C(O)C1O
CPS NAME: 3-[(3-CHOLAMIDOPROPYL)DIMETHYLAMMONIO]-1-PROPANESULFONATE
FORMULA: C32 H58 N2 O7 S1
SMILES: CC(CCC(=O)NCCC[N+](C)(C)CCCS([O-])(=O)=O)C1CCC2C3C(O)CC4CC(O)CCC4(C)C3CC(O)C12C
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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