3C3U Oxidoreductase date Jan 28, 2008
title Crystal Structure Of Akr1c1 In Complex With Nadp And 3,5- Dichlorosalicylic Acid
authors U.Dhagat, O.El-Kabbani
compound source
Molecule: Aldo-Keto Reductase Family 1 Member C1
Chain: A
Synonym: Akr1c1, 20-Alpha-Hydroxysteroid Dehydrogenase, 20- Alpha-Hsd, Trans-1,2-Dihydrobenzene-1,2-Diol Dehydrogenase, High-Affinity Hepatic Bile Acid-Binding Protein, Hbab, Chlordecone Reductase Homolog Hakrc, Dihydrodiol Dehydrogenase 12, Dd1dd2;
Engineered: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Gene: Akr1c1, Ddh, Ddh1
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_strain: Pkkdd1
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pkk223-3
symmetry Space Group: P 1 21 1
R_factor 0.174 R_Free 0.218
length a length b length c angle alpha angle beta angle gamma
39.364 84.236 49.183 90.00 91.26 90.00
method X-Ray Diffractionresolution 1.80 Å
ligand C2U, NAP, ZN BindingDB enzyme Oxidoreductase E.C. BRENDA

Primary referenceSelectivity determinants of inhibitor binding to human 20alpha-hydroxysteroid dehydrogenase: crystal structure of the enzyme in ternary complex with coenzyme and the potent inhibitor 3,5-dichlorosalicylic acid., Dhagat U, Endo S, Sumii R, Hara A, El-Kabbani O, J Med Chem. 2008 Aug 14;51(15):4844-8. Epub 2008 Jul 12. PMID:18620380
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (65 Kb) [Save to disk]
  • Biological Unit Coordinates (3c3u.pdb1.gz) 61 Kb
  • LPC: Ligand-Protein Contacts for 3C3U
  • CSU: Contacts of Structural Units for 3C3U
  • Likely Quarternary Molecular Structure file(s) for 3C3U
  • Structure Factors (216 Kb)
  • Retrieve 3C3U in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 3C3U from S2C, [Save to disk]
  • Re-refined 3c3u structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 3C3U 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 3C3U
  • Cartoon representation from PDB Cartoon
  • 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
  • Crystal Contacts, from CryCo at Weizmann Institute
  • 3D motif for 3C3U, from MSDmotif at EBI
  • Fold representative 3c3u from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [3c3u] [3c3u_A]
  • SWISS-PROT database: [Q04828]
  • Domain organization of [AK1C1_HUMAN] by SWISSPFAM
  • Other resources with information on 3C3U
  • Community annotation for 3C3U at PDBWiki (http://pdbwiki.org)
  • MMDB (Entrez's Structure Database)
  • Movements, Movies and Images
  • Images from IMB Jena Image Library of Biological Macromolecules.

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