2IAG	Isomerase	date	Sep 08, 2006
title	Crystal Structure Of Human Prostacyclin Synthase
authors	C.W.Chiang, H.C.Yeh, L.H.Wang, N.L.Chan
compound		source
Molecule: Prostacyclin Synthase Chain: A, B Fragment: Residues 23-500 Synonym: Prostaglandin I2 Synthase Ec: 5.3.99.4 Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Ptgis Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Bl21(De3), B834(De3) Expression_system_vector_type: Plasmid Expression_system_plasmid: Pcw Other_details: Plasmid Pcw Was A Gift From Dr. Amy Roth, Un Of Oregon.
symmetry	Space Group: P 1 21 1	R_factor 0.201 R_Free 0.263
crystal cell	length a length b length c angle alpha angle beta angle gamma 67.733 105.596 73.950 90.00 92.01 90.00
method	X-Ray Diffraction	resolution	2.15 Å
ligand	HEM, NA	enzyme	Isomerase E.C.5.3.99.4 BRENDA
Gene Ontology	Chain Function Process Component A, B
Primary reference	Crystal structure of the human prostacyclin synthase., Chiang CW, Yeh HC, Wang LH, Chan NL, J Mol Biol. 2006 Dec 1;364(3):266-74. Epub 2006 Sep 20. PMID:17020766

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (165 Kb) [Save to disk] Biological Unit Coordinates (2iag.pdb1.gz) 81 Kb Biological Unit Coordinates (2iag.pdb2.gz) 81 Kb LPC: Ligand-Protein Contacts for 2IAG CSU: Contacts of Structural Units for 2IAG Likely Quarternary Molecular Structure file(s) for 2IAG Structure Factors (827 Kb) Retrieve 2IAG in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2IAG from S2C, [Save to disk] Re-refined 2iag structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2IAG 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 2IAG

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 2IAG, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2iag] [2iag_B] [2iag_A] SWISS-PROT database: [Q16647] Domain organization of [PTGIS_HUMAN] by SWISSPFAM

Other resources with information on 2IAG

Community annotation for 2IAG at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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