3NXU	Oxidoreductase Oxidoreductase Inhibitor	date	Jul 14, 2010
title	Crystal Structure Of Human Cytochrome P4503a4 Bound To An In Ritonavir
authors	I.F.Sevrioukova, T.L.Poulos
compound		source
Molecule: Cytochrome P450 3a4 Chain: A, B Fragment: Unp Residues 1-2 And 25-503 Synonym: Quinine 3-Monooxygenase, Cypiiia4, Nifedipine Oxid Cytochrome P450 3a3, Cypiiia3, Cytochrome P450 Hlp, Taurochenodeoxycholate 6-Alpha-Hydroxylase, Cytochrome P450 Cytochrome P450-Pcn1, Albendazole Monooxygenase, Albendazol Sulfoxidase; Ec: 1.14.13.67, 1.14.13.97, 1.14.13.32 Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Cyp3a3, Cyp3a4 Expression_system: Escherichia Coli Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3)
symmetry	Space Group: C 1 2 1	R_factor 0.232 R_Free 0.262
crystal cell	length a length b length c angle alpha angle beta angle gamma 162.123 94.690 93.130 90.00 124.25 90.00
method	X-Ray Diffraction	resolution	2.00 Å
ligand	DMS, HEM, RIT BindingDB	enzyme	Oxidoreductase E.C.1.14.13.67 BRENDA
Gene Ontology	Chain Function Process Component A, B vitamin D3 25-hydroxylase ac...
Primary reference	Structure and mechanism of the complex between cytochrome P4503A4 and ritonavir., Sevrioukova IF, Poulos TL, Proc Natl Acad Sci U S A. 2010 Oct 11. PMID:20937904

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (165 Kb) [Save to disk] Biological Unit Coordinates (3nxu.pdb1.gz) 81 Kb Biological Unit Coordinates (3nxu.pdb2.gz) 80 Kb LPC: Ligand-Protein Contacts for 3NXU CSU: Contacts of Structural Units for 3NXU Structure Factors (3828 Kb) Retrieve 3NXU in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3NXU from S2C, [Save to disk] Re-refined 3nxu 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 3NXU, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3nxu_B] [3nxu_A] [3nxu] SWISS-PROT database: Domain organization of by SWISSPFAM

Other resources with information on 3NXU

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

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