1K0W	Isomerase	date	Sep 21, 2001
title	Crystal Structure Of L-Ribulose-5-Phosphate 4-Epimerase
authors	Y.Luo, J.Samuel, S.C.Mosimann, J.E.Lee, N.C.J.Strynadka
compound		source
Molecule: L-Ribulose 5 Phosphate 4-Epimerase Chain: A, B, C, D, E, F Ec: 5.1.3.4 Engineered: Yes Mutation: Yes		Organism_scientific: Escherichia Coli Organism_taxid: 562 Gene: Arad Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Y1090 Expression_system_vector_type: Plasmid Expression_system_plasmid: Pre1
symmetry	Space Group: P 4 21 2	R_factor 0.205 R_Free 0.251
crystal cell	length a length b length c angle alpha angle beta angle gamma 105.900 105.900 274.800 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.10 Å
ligand	ZN	enzyme	Isomerase E.C.5.1.3.4 BRENDA
related structures	by homologous chain: 1JDI
Gene Ontology	Chain Function Process Component F, A, D, C, E, B
Primary reference	The structure of L-ribulose-5-phosphate 4-epimerase: an aldolase-like platform for epimerization., Luo Y, Samuel J, Mosimann SC, Lee JE, Tanner ME, Strynadka NC, Biochemistry 2001 Dec 11;40(49):14763-71. PMID:11732895

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (223 Kb) [Save to disk] Biological Unit Coordinates (1k0w.pdb1.gz) 145 Kb Biological Unit Coordinates (1k0w.pdb2.gz) 147 Kb Biological Unit Coordinates (1k0w.pdb3.gz) 149 Kb Biological Unit Coordinates (1k0w.pdb4.gz) 148 Kb Biological Unit Coordinates (1k0w.pdb5.gz) 144 Kb Biological Unit Coordinates (1k0w.pdb6.gz) 141 Kb LPC: Ligand-Protein Contacts for 1K0W CSU: Contacts of Structural Units for 1K0W Likely Quarternary Molecular Structure file(s) for 1K0W Structure Factors (730 Kb) Retrieve 1K0W in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1K0W from S2C, [Save to disk] Re-refined 1k0w structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1K0W 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 1K0W

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 1K0W, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1k0wa_, region A [Jmol] [rasmolscript] [script source]     - Domain d1k0wb_, region B [Jmol] [rasmolscript] [script source]     - Domain d1k0wc_, region C [Jmol] [rasmolscript] [script source]     - Domain d1k0wd_, region D [Jmol] [rasmolscript] [script source]     - Domain d1k0we_, region E [Jmol] [rasmolscript] [script source]     - Domain d1k0wf_, region F [Jmol] [rasmolscript] [script source] Class (fold), Architecture (subfold), Topology, Homologous superfamily from CATH Summaries and structural analyses of PDB data files from PDBSum Identification of Protein Pockets & Cavities at CASTp

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1k0w_F] [1k0w_B] [1k0w_D] [1k0w_C] [1k0w_A] [1k0w_E] [1k0w] SWISS-PROT database: [P08203] Domain organization of [ARAD_ECOLI] by SWISSPFAM Domain found in 1K0W: [Aldolase_II ] by SMART

Other resources with information on 1K0W

Community annotation for 1K0W at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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