1W4Z	Antibiotic Biosynthesis	date	Aug 03, 2004
title	Structure Of Actinorhodin Polyketide (Actiii) Reductase
authors	A.T.Hadfield, C.Limpkin, W.Teartasin, T.J.Simpson, J.Crosby, M.P.
compound		source
Molecule: Ketoacyl Reductase Chain: A, B Synonym: Actiii Ketoreductase Ec: 1.3.1.- Engineered: Yes		Organism_scientific: Streptomyces Coelicolor Organism_taxid: 1902 Strain: A3(2) M145 Expression_system: Escherichia Coli Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3) Expression_system_vector: Pet15b
symmetry	Space Group: P 32 2 1	R_factor 0.183 R_Free 0.218
crystal cell	length a length b length c angle alpha angle beta angle gamma 103.430 103.430 122.823 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	2.50 Å
ligand	FMT, NAP	enzyme	Oxidoreductase E.C.1.3.1 BRENDA
related structures	by homologous chain: 1X7G
Gene Ontology	Chain Function Process Component A, B
Primary reference	The crystal structure of the actIII actinorhodin polyketide reductase: proposed mechanism for ACP and polyketide binding., Hadfield AT, Limpkin C, Teartasin W, Simpson TJ, Crosby J, Crump MP, Structure. 2004 Oct;12(10):1865-75. PMID:15458634

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (85 Kb) [Save to disk] Biological Unit Coordinates (1w4z.pdb1.gz) 156 Kb LPC: Ligand-Protein Contacts for 1W4Z CSU: Contacts of Structural Units for 1W4Z Likely Quarternary Molecular Structure file(s) for 1W4Z Structure Factors (361 Kb) Retrieve 1W4Z in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1W4Z from S2C, [Save to disk] Re-refined 1w4z structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1W4Z 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 1W4Z

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 1W4Z, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1w4za_, region A [Jmol] [rasmolscript] [script source]     - Domain d1w4zb_, region B [Jmol] [rasmolscript] [script source]

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1w4z_A] [1w4z_B] [1w4z] SWISS-PROT database: [P16544] Domain organization of [ACT3_STRCO] by SWISSPFAM

Other resources with information on 1W4Z

Community annotation for 1W4Z at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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