1H1I	Oxidoreductase	date	Jul 15, 2002
title	Crystal Structure Of Quercetin 2,3-Dioxygenase Anaerobically With The Substrate Quercetn
authors	R.A.Steiner, B.W.Dijkstra
compound		source
Molecule: Quercetin 2,3-Dioxygenase Chain: A, B, C, D Ec: 1.13.11.24 Engineered: Yes		Organism_scientific: Aspergillus Japonicus Organism_taxid: 34381 Expression_system: Aspergillus Awamori Expression_system_taxid: 105351
symmetry	Space Group: P 1 21 1	R_factor 0.148 R_Free 0.183
crystal cell	length a length b length c angle alpha angle beta angle gamma 109.298 55.745 124.163 90.00 98.39 90.00
method	X-Ray Diffraction	resolution	1.75 Å
ligand	CU, MPD, NAG, QUE	enzyme	Oxidoreductase E.C.1.13.11.24 BRENDA
related structures	by homologous chain: 1GQG, 1H1M
Gene Ontology	Chain Function Process Component A, D, C, B
Primary reference	Anaerobic enzyme.substrate structures provide insight into the reaction mechanism of the copper-dependent quercetin 2,3-dioxygenase., Steiner RA, Kalk KH, Dijkstra BW, Proc Natl Acad Sci U S A 2002 Dec 24;99(26):16625-30. Epub 2002 Dec 16. PMID:12486225

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (254 Kb) [Save to disk] Biological Unit Coordinates (1h1i.pdb1.gz) 126 Kb Biological Unit Coordinates (1h1i.pdb2.gz) 124 Kb LPC: Ligand-Protein Contacts for 1H1I CSU: Contacts of Structural Units for 1H1I Likely Quarternary Molecular Structure file(s) for 1H1I Structure Factors (1089 Kb) Retrieve 1H1I in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1H1I from S2C, [Save to disk] Re-refined 1h1i structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1H1I 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 1H1I

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1H1I, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1h1ia_, region A [Jmol] [rasmolscript] [script source]     - Domain d1h1ib_, region B [Jmol] [rasmolscript] [script source]     - Domain d1h1ic_, region C [Jmol] [rasmolscript] [script source]     - Domain d1h1id_, region D [Jmol] [rasmolscript] [script source]

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1h1i_A] [1h1i_D] [1h1i_C] [1h1i_B] [1h1i] SWISS-PROT database: [Q7SIC2] Domain organization of [QDOI_ASPJA] by SWISSPFAM

Other resources with information on 1H1I

Community annotation for 1H1I at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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