3EBS	Oxidoreductase	date	Aug 28, 2008
title	Human Cytochrome P450 2a6 I208si300fg301as369g In Complex Phenacetin
authors	N.M.Devore, E.E.Scott
compound		source
Molecule: Cytochrome P450 2a6 Chain: A, B, C, D Fragment: Unp Residues 29 To 494 Synonym: Cypiia6, Coumarin 7-Hydroxylase, P450 Iia3, Cyp2a3 Ec: 1.14.14.1 Engineered: Yes Mutation: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Cyp2a6, Cyp2a3 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Topp3 Expression_system_vector_type: Plasmid Expression_system_plasmid: Pkka2a6dh
symmetry	Space Group: P 1 21 1	R_factor 0.211 R_Free 0.269
crystal cell	length a length b length c angle alpha angle beta angle gamma 70.850 159.126 103.993 90.00 92.08 90.00
method	X-Ray Diffraction	resolution	2.15 Å
ligand	HEM, N4E	enzyme	Oxidoreductase E.C.1.14.14.1 BRENDA
Gene Ontology	Chain Function Process Component A, D, C, B
Primary reference	Key Residues Controlling Phenacetin Metabolism by Human Cytochrome P450 2A Enzymes., Devore NM, Smith BD, Urban MJ, Scott EE, Drug Metab Dispos. 2008 Sep 8. PMID:18779312

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (309 Kb) [Save to disk] Biological Unit Coordinates (3ebs.pdb1.gz) 78 Kb Biological Unit Coordinates (3ebs.pdb2.gz) 79 Kb Biological Unit Coordinates (3ebs.pdb3.gz) 78 Kb Biological Unit Coordinates (3ebs.pdb4.gz) 79 Kb LPC: Ligand-Protein Contacts for 3EBS CSU: Contacts of Structural Units for 3EBS Likely Quarternary Molecular Structure file(s) for 3EBS Structure Factors (1769 Kb) Retrieve 3EBS in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3EBS from S2C, [Save to disk] Re-refined 3ebs structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 3EBS 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 3EBS

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 3EBS, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3ebs_A] [3ebs_C] [3ebs] [3ebs_D] [3ebs_B] SWISS-PROT database: [P11509] Domain organization of [CP2A6_HUMAN] by SWISSPFAM

Other resources with information on 3EBS

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

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