2BU3	Transferase	date	Jun 08, 2005
title	Acyl-Enzyme Intermediate Between Alr0975 And Glutathione At
authors	D.Vivares, P.Arnoux, D.Pignol
compound		source
Molecule: Alr0975 Protein Chain: A, B Synonym: Primitive Phytochelatin Synthase Ec: 2.3.2.15 Engineered: Yes		Organism_scientific: Anabaena Sp. Organism_common: Nostoc Sp. Pcc 7120 Organism_taxid: 1167 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_plasmid: Pjc40
symmetry	Space Group: P 1 21 1	R_factor 0.174 R_Free 0.188
crystal cell	length a length b length c angle alpha angle beta angle gamma 56.253 58.259 72.561 90.00 108.87 90.00
method	X-Ray Diffraction	resolution	1.40 Å
ligand	3GC, CA, CL, MSE	enzyme	Transferase E.C.2.3.2.15 BRENDA
note	2BU3 is a representative structure
Gene Ontology	Chain Function Process Component A, B
Primary reference	A papain-like enzyme at work: native and acyl-enzyme intermediate structures in phytochelatin synthesis., Vivares D, Arnoux P, Pignol D, Proc Natl Acad Sci U S A. 2005 Dec 27;102(52):18848-53. Epub 2005 Dec 9. PMID:16339904

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (79 Kb) [Save to disk] Biological Unit Coordinates (2bu3.pdb1.gz) 37 Kb Biological Unit Coordinates (2bu3.pdb2.gz) 38 Kb LPC: Ligand-Protein Contacts for 2BU3 CSU: Contacts of Structural Units for 2BU3 Likely Quarternary Molecular Structure file(s) for 2BU3 Structure Factors (1155 Kb) Retrieve 2BU3 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2BU3 from S2C, [Save to disk] Re-refined 2bu3 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2BU3 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 2BU3

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 2BU3, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2bu3_B] [2bu3_A] [2bu3] SWISS-PROT database: [Q8YY76] Domain organization of [Q8YY76_ANASP] by SWISSPFAM

Other resources with information on 2BU3

Community annotation for 2BU3 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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