3KG9	Lyase	date	Oct 28, 2009
title	Dehydratase Domain From Curk Module Of Curacin Polyketide Sy
authors	D.L.Akey, J.L.Smith
compound		source
Molecule: Curk Chain: A, B Fragment: Dehydratase Domain, Residues 958-1250 Ec: 4.2.1.61 Engineered: Yes		Organism_scientific: Lyngbya Majuscula Organism_taxid: 158786 Gene: Curk Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Bl21(De3) Expression_system_vector_type: Plasmid Expression_system_plasmid: Pmcsg7
symmetry	Space Group: P 21 21 21	R_factor 0.182 R_Free 0.217
crystal cell	length a length b length c angle alpha angle beta angle gamma 38.122 94.301 150.989 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	1.70 Å
ligand		enzyme	Lyase E.C.4.2.1.61 BRENDA
Primary reference	Crystal structures of dehydratase domains from the curacin polyketide biosynthetic pathway., Akey DL, Razelun JR, Tehranisa J, Sherman DH, Gerwick WH, Smith JL, Structure. 2010 Jan 13;18(1):94-105. PMID:20152156

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (104 Kb) [Save to disk] Biological Unit Coordinates (3kg9.pdb1.gz) 98 Kb Biological Unit Coordinates (3kg9.pdb2.gz) 51 Kb Biological Unit Coordinates (3kg9.pdb3.gz) 49 Kb CSU: Contacts of Structural Units for 3KG9 Structure Factors (431 Kb) Retrieve 3KG9 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3KG9 from S2C, [Save to disk] Re-refined 3kg9 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 3KG9 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 3KG9

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 3KG9, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3kg9] [3kg9_B] [3kg9_A] SWISS-PROT database: [Q6DNE2] Domain organization of [Q6DNE2_9CYAN] by SWISSPFAM Domain found in 3KG9: [PKS_DH ] by SMART

Other resources with information on 3KG9

Community annotation for 3KG9 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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