1Q4G	Oxidoreductase	date	Aug 03, 2003
title	2.0 Angstrom Crystal Structure Of Ovine Prostaglandin H2 Syn In Complex With Alpha-Methyl-4-Biphenylacetic Acid
authors	K.Gupta, B.S.Selinksy, C.J.Kaub, A.K.Katz, P.J.Loll
compound		source
Molecule: Prostaglandin Gh Synthase 1 Chain: A, B Synonym: Cyclooxygenase -1, Cox-1, Prostaglandin-Endoperoxi Synthase 1, Prostaglandin H2 Synthase 1, Pgh Synthase 1, Pg 1; Ec: 1.14.99.1		Organism_scientific: Ovis Aries Organism_common: Sheep Organism_taxid: 9940 Organ: Seminal Vesicle
symmetry	Space Group: I 2 2 2	R_factor 0.217 R_Free 0.231
crystal cell	length a length b length c angle alpha angle beta angle gamma 98.147 203.859 223.599 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.00 Å
ligand	BFL, BMA, BOG, GOL, HEM, MAN, NAG, NDG BindingDB	enzyme	Oxidoreductase E.C.1.14.99.1 BRENDA
related structures	by homologous chain: 1CVU
Gene Ontology	Chain Function Process Component A, B peroxidase activity
Primary reference	The 2.0 A resolution crystal structure of prostaglandin H2 synthase-1: structural insights into an unusual peroxidase., Gupta K, Selinsky BS, Kaub CJ, Katz AK, Loll PJ, J Mol Biol 2004 Jan 9;335(2):503-18. PMID:14672659

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (213 Kb) [Save to disk] Biological Unit Coordinates (1q4g.pdb1.gz) 204 Kb LPC: Ligand-Protein Contacts for 1Q4G CSU: Contacts of Structural Units for 1Q4G Likely Quarternary Molecular Structure file(s) for 1Q4G Structure Factors (1232 Kb) Retrieve 1Q4G in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1Q4G from S2C, [Save to disk] Re-refined 1q4g structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1Q4G in 3D

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Visual 3D analysis of 1Q4G

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 1Q4G, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1q4ga2, region A:32-73 [Jmol] [rasmolscript] [script source]     - Domain d1q4ga1, region A:74-584 [Jmol] [rasmolscript] [script source]     - Domain d1q4gb2, region B:32-73 [Jmol] [rasmolscript] [script source]     - Domain d1q4gb1, region B:74-584 [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: [1q4g_B] [1q4g] [1q4g_A] SWISS-PROT database: [P05979] Domain organization of [PGH1_SHEEP] by SWISSPFAM Domain found in 1Q4G: [EGF ] by SMART

Other resources with information on 1Q4G

Community annotation for 1Q4G at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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