1W54	Synthase	date	Aug 05, 2004
title	Stepwise Introduction Of A Zinc Binding Site Into Porphobili Synthase From Pseudomonas Aeruginosa (Mutation D139c)
authors	F.Frere, H.Reents, W.D.Schubert, D.W.Heinz, D.Jahn
compound		source
Molecule: Delta-Aminolevulinic Acid Dehydratase Chain: A, B Synonym: Porphobilinogen Synthase, Alad, Aladhporphobilinog Synthase; Ec: 4.2.1.24 Engineered: Yes Mutation: Yes		Organism_scientific: Pseudomonas Aeruginosa Organism_taxid: 287 Expression_system: Escherichia Coli Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3) Expression_system_vector: Pgex-6p-1
symmetry	Space Group: P 4 21 2	R_factor 0.154 R_Free 0.217
crystal cell	length a length b length c angle alpha angle beta angle gamma 125.231 125.232 86.030 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.20 Å
ligand	FMT, K, MG, ZN	enzyme	Lyase E.C.4.2.1.24 BRENDA
related structures	by homologous chain: 1W5O
Gene Ontology	Chain Function Process Component A, B
Primary reference	Tracking the evolution of porphobilinogen synthase metal dependence in vitro., Frere F, Reents H, Schubert WD, Heinz DW, Jahn D, J Mol Biol. 2005 Feb 4;345(5):1059-70. Epub 2004 Dec 21. PMID:15644204

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (112 Kb) [Save to disk] Biological Unit Coordinates (1w54.pdb1.gz) 417 Kb LPC: Ligand-Protein Contacts for 1W54 CSU: Contacts of Structural Units for 1W54 Likely Quarternary Molecular Structure file(s) for 1W54 Structure Factors (270 Kb) Retrieve 1W54 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1W54 from S2C, [Save to disk] Re-refined 1w54 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

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Visual 3D analysis of 1W54

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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 1W54, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1w54_B] [1w54_A] [1w54] SWISS-PROT database: [Q59643] Domain organization of [HEM2_PSEAE] by SWISSPFAM Domain found in 1W54: [ALAD ] by SMART

Other resources with information on 1W54

Community annotation for 1W54 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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