3IEQ	Lyase	date	Jul 23, 2009
title	Crystal Structure Of 2c-Methyl-D-Erythritol 2,4-Cyclodiphosp Synthase From Burkholderia Pseudomallei With Cytidine
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_common: Pseudomonas Pseudomallei Organism_taxid: 28450 Strain: 1710b Gene: Ispf, Mecs, Bpsl2098 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_vector_type: Plasmid Expression_system_plasmid: Ava0421
symmetry	Space Group: C 1 2 1	R_factor 0.172 R_Free 0.225
crystal cell	length a length b length c angle alpha angle beta angle gamma 117.270 67.700 60.340 90.00 96.38 90.00
method	X-Ray Diffraction	resolution	2.10 Å
ligand	C, CL, MG, ZN	enzyme	Lyase E.C.4.6.1.12 BRENDA
Gene Ontology	Chain Function Process Component A, C, B
Primary reference	Combining functional and structural genomics to sample the essential Burkholderia structome., Baugh L, Gallagher LA, Patrapuvich R, Clifton MC, Gardberg AS, Edwards TE, Armour B, Begley DW, Dieterich SH, Dranow DM, Abendroth J, Fairman JW, Fox D 3rd, Staker BL, Phan I, Gillespie A, Choi R, Nakazawa-Hewitt S, Nguyen MT, Napuli A, Barrett L, Buchko GW, Stacy R, Myler PJ, Stewart LJ, Manoil C, Van Voorhis WC, PLoS One. 2013;8(1):e53851. doi: 10.1371/journal.pone.0053851. Epub 2013 Jan 31. PMID:23382856

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (81 Kb) [Save to disk] Biological Unit Coordinates (3ieq.pdb1.gz) 75 Kb LPC: Ligand-Protein Contacts for 3IEQ CSU: Contacts of Structural Units for 3IEQ Structure Factors (385 Kb) Retrieve 3IEQ in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3IEQ from S2C, [Save to disk] Re-refined 3ieq structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 3IEQ 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 3IEQ

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 3IEQ, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3ieq_A] [3ieq_C] [3ieq_B] [3ieq] SWISS-PROT database: [Q63T71] Domain organization of [ISPF_BURPS] by SWISSPFAM

Other resources with information on 3IEQ

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

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