1LKC	Lyase	date	Apr 24, 2002
title	Crystal Structure Of L-Threonine-O-3-Phosphate Decarboxylase Salmonella Enterica
authors	C.G.Cheong, C.B.Bauer, K.R.Brushaber, J.C.Escalante-Semerena, I.
compound		source
Molecule: L-Threonine-O-3-Phosphate Decarboxylase Chain: A Synonym: Cobd Engineered: Yes		Organism_scientific: Salmonella Enterica Organism_taxid: 28901 Gene: Cobd Expression_system: Escherichia Coli Expression_system_taxid: 562
symmetry	Space Group: I 2 2 2	R_factor 0.203 R_Free 0.236
crystal cell	length a length b length c angle alpha angle beta angle gamma 67.960 101.550 117.230 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	1.80 Å
ligand	EDO, PLP, PO4	enzyme
note	1LKC supersedes 1KUS
related structures	by homologous chain: 1LC7, 1LC8
Gene Ontology	Chain Function Process Component A
Primary reference	Three-dimensional structure of the L-threonine-O-3-phosphate decarboxylase (CobD) enzyme from Salmonella enterica., Cheong CG, Bauer CB, Brushaber KR, Escalante-Semerena JC, Rayment I, Biochemistry. 2002 Apr 16;41(15):4798-808. PMID:11939774

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (66 Kb) [Save to disk] Biological Unit Coordinates (1lkc.pdb1.gz) 120 Kb LPC: Ligand-Protein Contacts for 1LKC CSU: Contacts of Structural Units for 1LKC Likely Quarternary Molecular Structure file(s) for 1LKC Structure Factors (314 Kb) Retrieve 1LKC in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1LKC from S2C, [Save to disk] Re-refined 1lkc structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1LKC 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 1LKC

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 1LKC, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1lkca_, region A [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: [1lkc] [1lkc_A] SWISS-PROT database: [P97084] Domain organization of [COBD_SALTY] by SWISSPFAM

Other resources with information on 1LKC

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

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