3R1B	Oxidoreductase Oxidoreductase Inhibitor	date	Mar 09, 2011
title	Open Crystal Structure Of Cytochrome P450 2b4 Covalently Bou Mechanism-Based Inactivator Tert-Butylphenylacetylene
authors	S.C.Gay, H.Zhang, C.D.Stout, P.F.Hollenberg, J.R.Halpert
compound		source
Molecule: Cytochrome P450 2b4 Chain: A, B, C, D Synonym: Cypiib4, Cytochrome P450 Isozyme 2, Cytochrome P45 Cytochrome P450 Type B0, Cytochrome P450 Type B1; Ec: 1.14.14.1 Engineered: Yes Mutation: Yes		Organism_scientific: Oryctolagus Cuniculus Organism_common: European Rabbit,Japanese White Rabbit,Dome Rabbit,Rabbits; Organism_taxid: 9986 Gene: Cyp2b4 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Topp3 Expression_system_vector_type: Plasmid Expression_system_plasmid: Pkk
symmetry	Space Group: C 1 2 1	R_factor 0.242 R_Free 0.288
crystal cell	length a length b length c angle alpha angle beta angle gamma 193.924 153.691 129.665 90.00 122.22 90.00
method	X-Ray Diffraction	resolution	3.00 Å
ligand	CM5, FRU, GLC, HEM, TB2	enzyme	Oxidoreductase E.C.1.14.14.1 BRENDA
Gene Ontology	Chain Function Process Component A, D, C, B
Primary reference	Structural Analysis of Mammalian Cytochrome P450 2B4 Covalently Bound to the Mechanism-Based Inactivator tert-Butylphenylacetylene: Insight into Partial Enzymatic Activity., Gay SC, Zhang H, Wilderman PR, Roberts AG, Liu T, Li S, Lin HL, Zhang Q, Woods VL, Stout CD, Hollenberg PF, Halpert JR, Biochemistry. 2011 Apr 21. PMID:21510666

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (300 Kb) [Save to disk] Biological Unit Coordinates (3r1b.pdb1.gz) 78 Kb Biological Unit Coordinates (3r1b.pdb2.gz) 78 Kb Biological Unit Coordinates (3r1b.pdb3.gz) 74 Kb Biological Unit Coordinates (3r1b.pdb4.gz) 75 Kb Biological Unit Coordinates (3r1b.pdb5.gz) 148 Kb Biological Unit Coordinates (3r1b.pdb6.gz) 147 Kb LPC: Ligand-Protein Contacts for 3R1B CSU: Contacts of Structural Units for 3R1B Structure Factors (3617 Kb) Retrieve 3R1B in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3R1B from S2C, [Save to disk] Re-refined 3r1b structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 3R1B 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 3R1B

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 3R1B, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3r1b_B] [3r1b_C] [3r1b_D] [3r1b] [3r1b_A] SWISS-PROT database: Domain organization of by SWISSPFAM

Other resources with information on 3R1B

Community annotation for 3R1B at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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