1IHI	Oxidoreductase	date	Apr 19, 2001
title	Crystal Structure Of Human Type III 3-Alpha-Hydroxysteroid Dehydrogenasebile Acid Binding Protein (Akr1c2) Complexed And Ursodeoxycholate
authors	Y.Jin, S.E.Stayrook, R.H.Albert, N.T.Palackal, T.M.Penning, M.Lew
compound		source
Molecule: 3-Alpha-Hydroxysteroid Dehydrogenase Chain: A, B Synonym: 3alpha-Hydroxycholanate Dehydrogenase, Bile Acid B Protein; Ec: 1.1.1.52 Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Expression_system: Escherichia Coli Expression_system_taxid: 562
symmetry	Space Group: H 3 2	R_factor 0.223 R_Free 0.278
crystal cell	length a length b length c angle alpha angle beta angle gamma 144.090 144.090 202.770 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	3.00 Å
ligand	IU5, NAP	enzyme	Oxidoreductase E.C.1.1.1.52 BRENDA
related structures	by homologous chain: 1RAL
Gene Ontology	Chain Function Process Component A, B
Primary reference	Crystal structure of human type III 3alpha-hydroxysteroid dehydrogenase/bile acid binding protein complexed with NADP(+) and ursodeoxycholate., Jin Y, Stayrook SE, Albert RH, Palackal NT, Penning TM, Lewis M, Biochemistry 2001 Aug 28;40(34):10161-8. PMID:11513593

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (110 Kb) [Save to disk] Biological Unit Coordinates (1ihi.pdb1.gz) 53 Kb Biological Unit Coordinates (1ihi.pdb2.gz) 54 Kb LPC: Ligand-Protein Contacts for 1IHI CSU: Contacts of Structural Units for 1IHI Likely Quarternary Molecular Structure file(s) for 1IHI Structure Factors (177 Kb) Retrieve 1IHI in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1IHI from S2C, [Save to disk] Re-refined 1ihi structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1IHI in 3D

Proteopedia, because life has more than 2D. On Jmol, a nice Rasmol like molecule viewer. This is good for easiest viewing of basic structure. On FirstGlance, an excellent tool for a guided tour on the structure components, by E. Martz.

Visual 3D analysis of 1IHI

Ramachandran plot from PDBSum

Structure-derived information

Electron Density related parameters from EDS Electron Density Server, at Upsala Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1IHI, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1ihia_, region A [Jmol] [rasmolscript] [script source]     - Domain d1ihib_, region B [Jmol] [rasmolscript] [script source] Class (fold), Architecture (subfold), Topology, Homologous superfamily from CATH Summaries and structural analyses of PDB data files from PDBSum Identification of Protein Pockets & Cavities at CASTp

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1ihi_B] [1ihi] [1ihi_A] SWISS-PROT database: [P52895] Domain organization of [AK1C2_HUMAN] by SWISSPFAM

Other resources with information on 1IHI

Community annotation for 1IHI at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

Movements, Movies and Images

Images from IMB Jena Image Library of Biological Macromolecules.

You may enter another PDB ID code

Go [Back], to the [PDB Lite page], to the [OCA Search page] or to the [PDB Home page]

---

OCA© by Jaime Prilusky, 1996-2014,2022 Bioinformatics Unit Weizmann Institute of Science

---