2BEU	Oxidoreductase	date	Nov 30, 2004
title	Reactivity Modulation Of Human Branched-Chain Alpha-Ketoacid Dehydrogenase By An Internal Molecular Switch
authors	M.Machius, R.M.Wynn, J.L.Chuang, D.R.Tomchick, C.A.Brautigam, D.T
compound		source
Molecule: 2-Oxoisovalerate Dehydrogenase Alpha Subunit Chain: A Fragment: Residues 46-445 Synonym: Branched-Chain Alpha-Keto Acid Dehydrogenase E1 Co Alpha Chain, Bckdh E1-Alpha, Bckde1a; Ec: 1.2.4.4 Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Expression_system: Escherichia Coli Bl21 Expression_system_taxid: 511693 Expression_system_variant: Bl-21 Cells With Overexpressing Groes; Expression_system_vector: Ptrchisb (Invitrogen) Expression_system_plasmid: Ptrc-Alpha-Betahis
Molecule: 2-Oxoisovalerate Dehydrogenase Beta Subunit Chain: B Fragment: Residues 51-392 Synonym: Branched-Chain Alpha-Keto Acid Dehydrogenase E1 Co Beta Chain, Bckdh E1-Beta; Ec: 1.2.4.4 Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Expression_system: Escherichia Coli Bl21 Expression_system_taxid: 511693 Expression_system_variant: Bl-21 Cells With Overexpressing Groes; Expression_system_vector: Ptrchisb (Invitrogen) Expression_system_plasmid: Ptrc-Alpha-Betahis
Molecule: Peptide Ala-Tyr-Arg Chain: C Engineered: Yes		Synthetic: Yes Organism_scientific: Synthetic Construct Organism_taxid: 32630
symmetry	Space Group: P 31 2 1	R_factor 0.170 R_Free 0.211
crystal cell	length a length b length c angle alpha angle beta angle gamma 145.789 145.789 69.525 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	1.89 Å
ligand	CL, GOL, K, MN, SO4, THV	enzyme	Oxidoreductase E.C.1.2.4.4 BRENDA
Gene Ontology	Chain Function Process Component A B
Primary reference	Cross-talk between thiamin diphosphate binding and phosphorylation loop conformation in human branched-chain alpha-keto acid decarboxylase/dehydrogenase., Li J, Wynn RM, Machius M, Chuang JL, Karthikeyan S, Tomchick DR, Chuang DT, J Biol Chem. 2004 Jul 30;279(31):32968-78. Epub 2004 May 27. PMID:15166214

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (135 Kb) [Save to disk] Biological Unit Coordinates (2beu.pdb1.gz) 250 Kb LPC: Ligand-Protein Contacts for 2BEU CSU: Contacts of Structural Units for 2BEU Likely Quarternary Molecular Structure file(s) for 2BEU Structure Factors (490 Kb) Retrieve 2BEU in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2BEU from S2C, [Save to disk] Re-refined 2beu structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2BEU in 3D

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Visual 3D analysis of 2BEU

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 2BEU, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2beu_C] [2beu] [2beu_A] [2beu_B] SWISS-PROT database: [P12694] [P21953] Domain organization of [ODBA_HUMAN] [ODBB_HUMAN] by SWISSPFAM Domain found in 2BEU: [Transket_pyr ] by SMART

Other resources with information on 2BEU

Community annotation for 2BEU at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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