3N8T	Transferase	date	May 28, 2010
title	Native Structure Of Tk1436, A Gh57 Branching Enzyme From Hyperthermophilic Archaeon Thermococcus Kodakaraensis
authors	C.R.Santos, C.C.C.Tonoli, D.M.Trindade, C.Betzel, H.Takata, T.Kur T.Kanai, T.Imanaka, R.K.Arni, M.T.Murakami
compound		source
Molecule: Alpha-Amylase, Gh57 Family Chain: A Fragment: Unp Residues 1-562 Ec: 2.4.1.18 Engineered: Yes		Organism_scientific: Thermococcus Kodakarensis Organism_common: Thermococcus Kodakaraensis Organism_taxid: 311400 Strain: Kod1 Gene: Tk1436 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Bl21-Codonplus(De3)-Ril Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet21a(+)
symmetry	Space Group: P 21 21 21	R_factor 0.181 R_Free 0.242
crystal cell	length a length b length c angle alpha angle beta angle gamma 70.424 78.953 134.222 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.40 Å
ligand	PEG, PG4	enzyme	Transferase E.C.2.4.1.18 BRENDA
Gene Ontology	Chain Function Process Component A
Primary reference	Structural basis for branching-enzyme activity of glycoside hydrolase family 57: structure and stability studies of a novel branching enzyme from the hyperthermophilic archaeon Thermococcus kodakaraensis KOD1., Santos CR, Tonoli CC, Trindade DM, Betzel C, Takata H, Kuriki T, Kanai T, Imanaka T, Arni RK, Murakami MT, Proteins. 2011 Feb;79(2):547-57. PMID:21104698

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (102 Kb) [Save to disk] Biological Unit Coordinates (3n8t.pdb1.gz) 97 Kb LPC: Ligand-Protein Contacts for 3N8T CSU: Contacts of Structural Units for 3N8T Structure Factors (444 Kb) Retrieve 3N8T in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3N8T from S2C, [Save to disk] Re-refined 3n8t structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

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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 3N8T, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3n8t] [3n8t_A] SWISS-PROT database: Domain organization of by SWISSPFAM

Other resources with information on 3N8T

Community annotation for 3N8T at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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