1KEP	Lyase	date	Nov 16, 2001
title	The Crystal Structure Of Dtdp-D-Glucose 4,6-Dehydratase (Rml Streptococcus Suis With Dtdp-Xylose Bound
authors	S.T.M.Allard, K.Beis, M.F.Giraud, A.D.Hegeman, J.W.Gross, C.Whit M.Graninger, P.Messner, A.G.Allen, J.H.Naismith
compound		source
Molecule: Dtdp-D-Glucose 4,6-Dehydratase Chain: A, B Synonym: Rmlb Ec: 4.2.1.46 Engineered: Yes		Organism_scientific: Streptococcus Suis Organism_taxid: 1307 Variant: Serotype 2 Gene: Rmlb Expression_system: Escherichia Coli Bl21(De3) Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3) Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet21
symmetry	Space Group: P 21 21 21	R_factor 0.145 R_Free 0.172
crystal cell	length a length b length c angle alpha angle beta angle gamma 62.449 97.182 185.471 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	1.80 Å
ligand	NAD, SO4, TDX	enzyme	Lyase E.C.4.2.1.46 BRENDA
related structures	by homologous chain: 1KET, 1OC2
Gene Ontology	Chain Function Process Component A, B
Primary reference	Toward a structural understanding of the dehydratase mechanism., Allard ST, Beis K, Giraud MF, Hegeman AD, Gross JW, Wilmouth RC, Whitfield C, Graninger M, Messner P, Allen AG, Maskell DJ, Naismith JH, Structure (Camb) 2002 Jan;10(1):81-92. PMID:11796113

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (132 Kb) [Save to disk] Biological Unit Coordinates (1kep.pdb1.gz) 126 Kb LPC: Ligand-Protein Contacts for 1KEP CSU: Contacts of Structural Units for 1KEP Likely Quarternary Molecular Structure file(s) for 1KEP Retrieve 1KEP in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1KEP from S2C, [Save to disk]

View 1KEP 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 1KEP

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1KEP, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1kepa_, region A [Jmol] [rasmolscript] [script source]     - Domain d1kepb_, region B [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: [1kep_A] [1kep] [1kep_B] SWISS-PROT database: [P95780] Domain organization of [RMLB_STRMU] by SWISSPFAM

Other resources with information on 1KEP

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

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