1QNV	Dehydratase	date	Oct 21, 1999
title	Yeast 5-Aminolaevulinic Acid Dehydratase Lead (Pb) Complex
authors	P.T.Erskine, N.M.Senior, M.J.Warren, S.P.Wood, J.B.Cooper
compound		source
Molecule: 5-Aminolaevulinic Acid Dehydratase Chain: A Synonym: Alad, Porphobilinogen Synthase Ec: 4.2.1.24 Other_details: Pb Acetate Co-Crystal		Organism_scientific: Saccharomyces Cerevisiae Organism_common: Baker'S Yeast Organism_taxid: 4932 Strain: Ns1(Jm109pns1) Plasmid: Pns1
symmetry	Space Group: I 4 2 2	R_factor 0.252 R_Free 0.379
crystal cell	length a length b length c angle alpha angle beta angle gamma 102.400 102.400 170.500 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.50 Å
ligand	PB	enzyme	Lyase E.C.4.2.1.24 BRENDA
note	1QNV supersedes 1QMK
related structures	by homologous chain: 1AW5, 1QML
Gene Ontology	Chain Function Process Component A
Primary reference	MAD analyses of yeast 5-aminolaevulinate dehydratase: their use in structure determination and in defining the metal-binding sites., Erskine PT, Duke EM, Tickle IJ, Senior NM, Warren MJ, Cooper JB, Acta Crystallogr D Biol Crystallogr 2000 Apr;56 ( Pt 4):421-30. PMID:10739915

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (63 Kb) [Save to disk] Biological Unit Coordinates (1qnv.pdb1.gz) 444 Kb LPC: Ligand-Protein Contacts for 1QNV CSU: Contacts of Structural Units for 1QNV Likely Quarternary Molecular Structure file(s) for 1QNV Structure Factors (121 Kb) Retrieve 1QNV in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1QNV from S2C, [Save to disk] Re-refined 1qnv structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1QNV 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 1QNV

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 1QNV, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1qnva_, region A [Jmol] [rasmolscript] [script source] Class (fold), Architecture (subfold), Topology, Homologous superfamily from CATH Summaries and structural analyses of PDB data files from PDBSum Identification of Protein Pockets & Cavities at CASTp

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1qnv_A] [1qnv] SWISS-PROT database: [P05373] Domain organization of [HEM2_YEAST] by SWISSPFAM Domain found in 1QNV: [ALAD ] by SMART

Other resources with information on 1QNV

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

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Images from IMB Jena Image Library of Biological Macromolecules.

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