1QI9	Oxidoreductase	date	Jun 10, 1999
title	X-Ray Siras Structure Determination Of A Vanadium-Dependent Haloperoxidase From Ascophyllum Nodosum At 2.0 A Resolution
authors	M.Weyand, H.J.Hecht, M.Kiess, M.F.Liaud, H.Vilter, D.Schomburg
compound		source
Molecule: Vanadium-Dependent Bromoperoxidase Chain: A Synonym: V-Bpo,Vanadium Haloperoxidase Ec: 1.11.1.18		Organism_scientific: Ascophyllum Nodosum Organism_taxid: 52969
Molecule: Vanadium-Dependent Bromoperoxidase Chain: B Synonym: V-Bpo,Vanadium Haloperoxidase Ec: 1.11.1.18		Organism_scientific: Ascophyllum Nodosum Organism_taxid: 52969
symmetry	Space Group: P 43 21 2	R_factor 0.165 R_Free 0.219
crystal cell	length a length b length c angle alpha angle beta angle gamma 113.190 113.190 272.300 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.05 Å
ligand	IOD, IYR, PCA, TYI, VO4	enzyme	Oxidoreductase E.C.1.11.1.18 BRENDA
Gene Ontology	Chain Function Process Component A, B peroxidase activity bromide peroxidase activity
Primary reference	X-ray structure determination of a vanadium-dependent haloperoxidase from Ascophyllum nodosum at 2.0 A resolution., Weyand M, Hecht H, Kiess M, Liaud M, Vilter H, Schomburg D, J Mol Biol 1999 Oct 29;293(3):595-611. PMID:10543953

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (204 Kb) [Save to disk] Biological Unit Coordinates (1qi9.pdb1.gz) 198 Kb LPC: Ligand-Protein Contacts for 1QI9 CSU: Contacts of Structural Units for 1QI9 Likely Quarternary Molecular Structure file(s) for 1QI9 Structure Factors (953 Kb) Retrieve 1QI9 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1QI9 from S2C, [Save to disk] Re-refined 1qi9 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1QI9 in 3D

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Visual 3D analysis of 1QI9

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 1QI9, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1qi9a_, region A [Jmol] [rasmolscript] [script source]     - Domain d1qi9b_, region B [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: [1qi9_B] [1qi9_A] [1qi9] SWISS-PROT database: [P81701] Domain organization of [PRXV_ASCNO] by SWISSPFAM

Other resources with information on 1QI9

Community annotation for 1QI9 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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