3K2X	Lyase	date	Sep 30, 2009
title	Crystal Structure Of 2c-Methyl-D-Erythritol 2,4-Cyclodiphosp Synthase From Burkholderia Pseudomallei In Complex With 5'- Cytosine
authors	Seattle Structural Genomics Center For Infectious Disease (S
compound		source
Molecule: 2-C-Methyl-D-Erythritol 2,4-Cyclodiphosphate Synt Chain: A, B, C Synonym: Mecps, Mecdp-Synthase Ec: 4.6.1.12 Engineered: Yes		Organism_scientific: Burkholderia Pseudomallei Organism_taxid: 320372 Strain: 1710b Gene: Ispf, Burps1710b_2511 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_vector_type: Ava0421
symmetry	Space Group: C 1 2 1	R_factor 0.170 R_Free 0.204
crystal cell	length a length b length c angle alpha angle beta angle gamma 117.475 67.673 60.025 90.00 96.13 90.00
method	X-Ray Diffraction	resolution	1.85 Å
ligand	CL, I5A, K, ZN	enzyme	Lyase E.C.4.6.1.12 BRENDA
Gene	BURPS1710B
Gene Ontology	Chain Function Process Component A, C, B
Primary reference	Leveraging structure determination with fragment screening for infectious disease drug targets: MECP synthase from Burkholderia pseudomallei., Begley DW, Hartley RC, Davies DR, Edwards TE, Leonard JT, Abendroth J, Burris CA, Bhandari J, Myler PJ, Staker BL, Stewart LJ, J Struct Funct Genomics. 2011 Jul;12(2):63-76. Epub 2011 Feb 26. PMID:21359640

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (81 Kb) [Save to disk] Biological Unit Coordinates (3k2x.pdb1.gz) 74 Kb LPC: Ligand-Protein Contacts for 3K2X CSU: Contacts of Structural Units for 3K2X Structure Factors (607 Kb) Retrieve 3K2X in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3K2X from S2C, [Save to disk] Re-refined 3k2x structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 3K2X 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 3K2X

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 3K2X, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3k2x_A] [3k2x_B] [3k2x_C] [3k2x] SWISS-PROT database: [Q3JRA0] Domain organization of [ISPF_BURP1] by SWISSPFAM

Other resources with information on 3K2X

Community annotation for 3K2X at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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