1D3G	Oxidoreductase	date	Sep 29, 1999
title	Human Dihydroorotate Dehydrogenase Complexed With Brequinar
authors	S.Liu, E.A.Neidhardt, T.H.Grossman, T.Ocain, J.Clardy
compound		source
Molecule: Dihydroorotate Dehydrogenase Chain: A Ec: 1.3.3.1 Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_plasmid: Pet19b
symmetry	Space Group: P 32 2 1	R_factor 0.168 R_Free 0.188
crystal cell	length a length b length c angle alpha angle beta angle gamma 90.610 90.610 122.410 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	1.60 Å
ligand	ACT, BRE, DDQ, FMN, ORO, SO4 BindingDB	enzyme	Oxidoreductase E.C.1.3.3.1 BRENDA
related structures	by homologous chain: 1D3H
Gene Ontology	Chain Function Process Component A
Primary reference	Structures of human dihydroorotate dehydrogenase in complex with antiproliferative agents., Liu S, Neidhardt EA, Grossman TH, Ocain T, Clardy J, Structure Fold Des 2000 Jan 15;8(1):25-33. PMID:10673429

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (129 Kb) [Save to disk] Biological Unit Coordinates (1d3g.pdb1.gz) 124 Kb LPC: Ligand-Protein Contacts for 1D3G CSU: Contacts of Structural Units for 1D3G Likely Quarternary Molecular Structure file(s) for 1D3G Structure Factors (545 Kb) Retrieve 1D3G in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1D3G from S2C, [Save to disk] Re-refined 1d3g structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1D3G 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 1D3G

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 1D3G, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1d3ga_, 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: [1d3g] [1d3g_A] SWISS-PROT database: [Q02127] Domain organization of [PYRD_HUMAN] by SWISSPFAM

Other resources with information on 1D3G

Community annotation for 1D3G at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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