3EKB	Oxidoreductase	date	Sep 19, 2008
title	Crystal Structure Of The A264c Mutant Heme Domain Of Cytochr Bm3
authors	D.Leys
compound		source
Molecule: Cytochrome P450(Bm-3) Chain: A, B Fragment: Bm3 Heme Domain Synonym: P450bm-3, Cytochrome P450 102, Nadph--Cytochrome P Reductase; Ec: 1.14.14.1 Engineered: Yes Mutation: Yes		Organism_scientific: Bacillus Megaterium Organism_taxid: 1404 Gene: Cyp102a1, Cyp102 Expression_system: Escherichia Coli Expression_system_taxid: 562
symmetry	Space Group: P 21 21 21	R_factor 0.215 R_Free 0.302
crystal cell	length a length b length c angle alpha angle beta angle gamma 60.883 118.692 146.629 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.30 Å
ligand	HEM	enzyme	Oxidoreductase E.C.1.14.14.1 BRENDA
Gene Ontology	Chain Function Process Component A, B
Primary reference	Novel haem co-ordination variants of flavocytochrome P450BM3., Girvan HM, Toogood HS, Littleford RE, Seward HE, Smith WE, Ekanem IS, Leys D, Cheesman MR, Munro AW, Biochem J. 2009 Jan 1;417(1):65-76. PMID:18721129

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (165 Kb) [Save to disk] Biological Unit Coordinates (3ekb.pdb1.gz) 82 Kb Biological Unit Coordinates (3ekb.pdb2.gz) 78 Kb LPC: Ligand-Protein Contacts for 3EKB CSU: Contacts of Structural Units for 3EKB Likely Quarternary Molecular Structure file(s) for 3EKB Structure Factors (802 Kb) Retrieve 3EKB in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3EKB from S2C, [Save to disk] Re-refined 3ekb structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 3EKB in 3D

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Visual 3D analysis of 3EKB

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 3EKB, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3ekb_A] [3ekb_B] [3ekb] SWISS-PROT database: [P14779] Domain organization of [CPXB_BACME] by SWISSPFAM

Other resources with information on 3EKB

Community annotation for 3EKB at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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