2DDW	Transferase	date	Feb 03, 2006
title	Crystal Structure Of Pyridoxal Kinase From The Escherichia C Gene Complexed With Pyridoxal At 3.2 A Resolution
authors	M.K.Safo, F.N.Musayev, M.L.Di Salvo, S.Hunt, J.B.Claude, V.Schirc
compound		source
Molecule: Pyridoxine Kinase Chain: A, B Synonym: Pyridoxal Kinase, Vitamin B6 Kinase, Pyridoxamine Pnplpm Kinase; Ec: 2.7.1.35 Engineered: Yes		Organism_scientific: Escherichia Coli Organism_taxid: 562 Strain: Hms 174(De3) Gene: Pdxk Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Hms 174(De3) Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet22(+)
symmetry	Space Group: P 21 21 21	R_factor 0.237 R_Free 0.254
crystal cell	length a length b length c angle alpha angle beta angle gamma 65.668 75.028 109.360 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	3.20 Å
ligand	PXL	enzyme	Transferase E.C.2.7.1.35 BRENDA
Gene Ontology	Chain Function Process Component A, B
Primary reference	Crystal structure of pyridoxal kinase from the Escherichia coli pdxK gene: implications for the classification of pyridoxal kinases., Safo MK, Musayev FN, di Salvo ML, Hunt S, Claude JB, Schirch V, J Bacteriol. 2006 Jun;188(12):4542-52. PMID:16740960

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (87 Kb) [Save to disk] Biological Unit Coordinates (2ddw.pdb1.gz) 82 Kb LPC: Ligand-Protein Contacts for 2DDW CSU: Contacts of Structural Units for 2DDW Likely Quarternary Molecular Structure file(s) for 2DDW Structure Factors (58 Kb) Retrieve 2DDW in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2DDW from S2C, [Save to disk] Re-refined 2ddw structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2DDW 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 2DDW

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 2DDW, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2ddw] [2ddw_A] [2ddw_B] SWISS-PROT database: [P40191] Domain organization of [PDXK_ECOLI] by SWISSPFAM

Other resources with information on 2DDW

Community annotation for 2DDW at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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