2IO9	Ligase, Hydrolase	date	Oct 10, 2006
title	E. Coli Bifunctional Glutathionylspermidine Synthetaseamidase Incomplex With Mg2+ ,Gsh And Adp
authors	C.H.Pai, B.Y.Chiang, T.P.Ko, C.C.Chou, C.M.Chong, F.J.Yen, J.K.Coward, A.H.J.Wang, C.H.Lin
compound		source
Molecule: Bifunctional Glutathionylspermidine Synthetaseamidase; Chain: A, B Synonym: Glutathionylspermidine Synthase, Glutathionylspermidine Amidase; Ec: 6.3.1.8, 3.5.1.78 Engineered: Yes		Organism_scientific: Escherichia Coli Organism_taxid: 562 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet22b (Novagen)
symmetry	Space Group: P 1	R_factor 0.170 R_Free 0.232
crystal cell	length a length b length c angle alpha angle beta angle gamma 59.912 75.480 84.006 70.44 74.17 78.06
method	X-Ray Diffraction	resolution	2.20 Å
ligand	ADP, GSH, MG	enzyme	Ligase E.C.6.3.1.8 BRENDA
Gene Ontology	Chain Function Process Component A, B
Primary reference	Dual binding sites for translocation catalysis by Escherichia coli glutathionylspermidine synthetase., Pai CH, Chiang BY, Ko TP, Chou CC, Chong CM, Yen FJ, Chen S, Coward JK, Wang AH, Lin CH, EMBO J. 2006 Nov 23;. PMID:17124497

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (229 Kb) [Save to disk] Biological Unit Coordinates (2io9.pdb1.gz) 222 Kb LPC: Ligand-Protein Contacts for 2IO9 CSU: Contacts of Structural Units for 2IO9 Likely Quarternary Molecular Structure file(s) for 2IO9 Structure Factors (643 Kb) Retrieve 2IO9 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2IO9 from S2C, [Save to disk] Re-refined 2io9 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2IO9 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 2IO9

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 2IO9, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2io9] [2io9_A] [2io9_B] SWISS-PROT database: [P0AES0] Domain organization of [GSP_ECOLI] by SWISSPFAM

Other resources with information on 2IO9

Community annotation for 2IO9 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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