3N20	Oxidoreductase	date	May 17, 2010
title	X-Ray Crystal Structure Of Tolueneo-Xylene Monooxygenase Hy T201v Mutant
authors	M.S.Mccormick, M.H.Sazinsky, S.J.Lippard
compound		source
Molecule: Toluene O-Xylene Monooxygenase Component Chain: A Fragment: Alpha Subunit Synonym: Tolueneo-Xylene Monooxygenase Alpha Subunit Engineered: Yes Mutation: Yes		Organism_scientific: Pseudomonas Sp. Organism_taxid: 320855 Strain: Ox1 Gene: Toua Expression_system: Escherichia Coli Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3) Expression_system_vector_type: Pet22b(+)
Molecule: Toluene O-Xylene Monooxygenase Component Chain: B Synonym: Tolueneo-Xylene Monooxygenase Beta Subunit Engineered: Yes		Organism_scientific: Pseudomonas Sp. Organism_taxid: 320855 Strain: Ox1 Gene: Toue Expression_system: Escherichia Coli Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3) Expression_system_vector_type: Pet22b(+)
Molecule: Toluene O-Xylene Monooxygenase Component Chain: C Synonym: Tolueneo-Xylene Monooxygenase Gamma Subunit Engineered: Yes		Organism_scientific: Pseudomonas Sp. Organism_taxid: 320855 Strain: Ox1 Gene: Toub Expression_system: Escherichia Coli Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3) Expression_system_vector_type: Pet22b(+)
symmetry	Space Group: P 31 2 1	R_factor 0.206 R_Free 0.218
crystal cell	length a length b length c angle alpha angle beta angle gamma 182.889 182.889 68.578 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	1.90 Å
ligand	FE, GOL, P6G	enzyme
Gene Ontology	Chain Function Process Component A B C monooxygenase activity
Primary reference	Active site threonine facilitates proton transfer during dioxygen activation at the diiron center of toluene/o-xylene monooxygenase hydroxylase., Song WJ, McCormick MS, Behan RK, Sazinsky MH, Jiang W, Lin J, Krebs C, Lippard SJ, J Am Chem Soc. 2010 Oct 6;132(39):13582-5. PMID:20839885

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (164 Kb) [Save to disk] Biological Unit Coordinates (3n20.pdb1.gz) 313 Kb Biological Unit Coordinates (3n20.pdb2.gz) 158 Kb LPC: Ligand-Protein Contacts for 3N20 CSU: Contacts of Structural Units for 3N20 Structure Factors (827 Kb) Retrieve 3N20 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3N20 from S2C, [Save to disk] Re-refined 3n20 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

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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 3N20, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3n20_B] [3n20] [3n20_A] [3n20_C] SWISS-PROT database: Domain organization of by SWISSPFAM

Other resources with information on 3N20

Community annotation for 3N20 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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