3A6O	Hydrolase	date	Sep 07, 2009
title	Crystal Structure Of Thermoactinomyces Vulgaris R-47 Alpha- Amylase 2acarbose Complex
authors	A.Ohtaki, M.Mizuno, T.Tonozuka, Y.Sakano, S.Kamitori
compound		source
Molecule: Neopullulanase 2 Chain: A, B Synonym: Alpha-Amylase II, Tva II Ec: 3.2.1.135 Engineered: Yes		Organism_scientific: Thermoactinomyces Vulgaris Organism_taxid: 2026 Strain: R-47 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_vector_type: Plasmid
symmetry	Space Group: P 21 21 21	R_factor 0.157 R_Free 0.231
crystal cell	length a length b length c angle alpha angle beta angle gamma 114.599 119.258 113.007 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.80 Å
ligand	ARE, CA	enzyme	Hydrolase E.C.3.2.1.135 BRENDA
note	3A6O supersedes 1VFK
Gene Ontology	Chain Function Process Component A, B
Primary reference	Complex structures of Thermoactinomyces vulgaris R-47 alpha-amylase 2 with acarbose and cyclodextrins demonstrate the multiple substrate recognition mechanism., Ohtaki A, Mizuno M, Tonozuka T, Sakano Y, Kamitori S, J Biol Chem. 2004 Jul 23;279(30):31033-40. Epub 2004 May 11. PMID:15138257

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (210 Kb) [Save to disk] Biological Unit Coordinates (3a6o.pdb1.gz) 104 Kb Biological Unit Coordinates (3a6o.pdb2.gz) 104 Kb LPC: Ligand-Protein Contacts for 3A6O CSU: Contacts of Structural Units for 3A6O Structure Factors (604 Kb) Retrieve 3A6O in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3A6O from S2C, [Save to disk] Re-refined 3a6o structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

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Visual 3D analysis of 3A6O

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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 3A6O, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3a6o_A] [3a6o_B] [3a6o] SWISS-PROT database: [Q08751] Domain organization of [NEPU2_THEVU] by SWISSPFAM Domain found in 3A6O: [Aamy ] by SMART

Other resources with information on 3A6O

Community annotation for 3A6O at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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