3B6H Isomerase date Oct 29, 2007
title Crystal Structure Of Human Prostacyclin Synthase In Complex Inhibitor Minoxidil
authors Y.C.Li, C.W.Chiang, H.C.Yeh, P.Y.Hsu, F.G.Whitby, L.H.Wang, N
compound source
Molecule: Prostacyclin Synthase
Chain: A, B
Fragment: Unp Residues 18-500
Synonym: Cytochrome P450 8a1, Prostaglandin I2 Synthase
Ec: 5.3.99.4
Engineered: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Gene: Ptgis, Cyp8, Cyp8a1
Expression_system: Escherichia Coli Bl21(De3)
Expression_system_taxid: 469008
Expression_system_strain: Bl21 (De3)
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pet
symmetry Space Group: P 1 21 1
R_factor 0.203 R_Free 0.228
crystal
cell
length a length b length c angle alpha angle beta angle gamma
68.762 106.072 73.901 90.00 91.81 90.00
method X-Ray Diffractionresolution 1.62 Å
ligand BOG, HEM, MXD enzyme Isomerase E.C.5.3.99.4 BRENDA
Gene
Ontology
ChainFunctionProcessComponent
A, B


Primary referenceStructures of Prostacyclin Synthase and Its Complexes with Substrate Analog and Inhibitor Reveal a Ligand-specific Heme Conformation Change., Li YC, Chiang CW, Yeh HC, Hsu PY, Whitby FG, Wang LH, Chan NL, J Biol Chem. 2008 Feb 1;283(5):2917-26. Epub 2007 Nov 21. PMID:18032380
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (174 Kb) [Save to disk]
  • Biological Unit Coordinates (3b6h.pdb1.gz) 85 Kb
  • Biological Unit Coordinates (3b6h.pdb2.gz) 85 Kb
  • LPC: Ligand-Protein Contacts for 3B6H
  • CSU: Contacts of Structural Units for 3B6H
  • Likely Quarternary Molecular Structure file(s) for 3B6H
  • Structure Factors (1960 Kb)
  • Retrieve 3B6H in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 3B6H from S2C, [Save to disk]
  • Re-refined 3b6h structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 3B6H 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 3B6H
  • 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 3B6H, from MSDmotif at EBI
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [3b6h_B] [3b6h_A] [3b6h]
  • SWISS-PROT database: [Q16647]
  • Domain organization of [PTGIS_HUMAN] by SWISSPFAM
  • Other resources with information on 3B6H
  • Community annotation for 3B6H 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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