3elx Summary

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Crystal structure of apo Zebrafish Ileal Bile Acid-Binding Protein

The structure was published by Capaldi, S., Saccomani, G., Fessas, D., Signorelli, M., Perduca, M., and Monaco, H.L., in 2009 in a paper entitled "The X-Ray structure of zebrafish (Danio rerio) ileal bile acid-binding protein reveals the presence of binding sites on the surface of the protein molecule." (abstract).

This crystal structure was determined using X-ray diffraction at a resolution of 1.6 Å and deposited in 2008.

The experimental data on which the structure is based was also deposited.

The PDB entry contains the structure of Ileal bile acid-binding protein. This molecule has the UniProt identifier Q6IMW5 (Q6IMW5_DANRE)search. The sample contained 138 residues which is 99% of the natural sequence. Out of 138 residues 134 were observed and are deposited in the PDB.

It also contains one or more heterogenic compounds (e.g., ligands, co-factors, ions, modified amino acids, etc.); see here for a complete list.

The molecule is most likely monomeric.

The following tables show cross-reference information to other databases (to obtain a list of all PDB entries sharing the same property or classification, click on the magnifying glass icon):


Chain Name UniProt Name of source organism % of UniProt sequence present in the sample Residues in the sample molecules % of residues observed
A Ileal bile acid-binding protein Q6IMW5 (2-131) (Q6IMW5_DANRE)search Danio reriosearch 99% 138 97%


This entry contains 1 unique UniProt protein:

UniProt accession Name Organism PDB
Q6IMW5 (2 - 131) Ileal bile acid-binding protein Danio rerio

Chain Structural classification (CATH) Sequence family (Pfam)
A (Q6IMW5) Lipocalinsearch PF14651: Lipocalin / cytosolic fatty-acid binding protein familysearch

Chain ID Molecular function (GO) Biological process (GO) Cellular component (GO)
A (Q6IMW5) transporter activitysearch lipid bindingsearch bile acid bindingsearch transportsearch cellular_componentsearch

Chain InterPro annotation
A Cytosolic fatty-acid bindingsearch Calycin-likesearch Calycinsearch