1V4G	Ligase	date	Nov 13, 2003
title	Crystal Structure Of Gamma-Glutamylcysteine Synthetase From Escherichia Coli B
authors	T.Hibi, H.Nii, T.Nakatsu, H.Kato, J.Hiratake, J.Oda
compound		source
Molecule: Glutamate--Cysteine Ligase Chain: A, B, C, D Synonym: Gamma-Glutamylcysteine Synthetase, Gamma-Ecs, Gcs Ec: 6.3.2.2 Engineered: Yes Mutation: Yes		Organism_scientific: Escherichia Coli Organism_taxid: 562 Gene: Gsh-I Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Jm109
symmetry	Space Group: H 3	R_factor 0.206 R_Free 0.236
crystal cell	length a length b length c angle alpha angle beta angle gamma 326.818 326.818 104.726 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	2.50 Å
ligand	FME	enzyme	Ligase E.C.6.3.2.2 BRENDA
related structures	by homologous chain: 1VA6
Gene Ontology	Chain Function Process Component A, D, C, B
Primary reference	Crystal structure of gamma-glutamylcysteine synthetase: insights into the mechanism of catalysis by a key enzyme for glutathione homeostasis., Hibi T, Nii H, Nakatsu T, Kimura A, Kato H, Hiratake J, Oda J, Proc Natl Acad Sci U S A 2004 Oct 19;101(42):15052-7. Epub 2004 Oct 11. PMID:15477603

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (326 Kb) [Save to disk] Biological Unit Coordinates (1v4g.pdb1.gz) 318 Kb LPC: Ligand-Protein Contacts for 1V4G CSU: Contacts of Structural Units for 1V4G Likely Quarternary Molecular Structure file(s) for 1V4G Structure Factors (1253 Kb) Retrieve 1V4G in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1V4G from S2C, [Save to disk] Re-refined 1v4g structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1V4G in 3D

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Visual 3D analysis of 1V4G

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 1V4G, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1v4ga_, region A [Jmol] [rasmolscript] [script source]     - Domain d1v4gb_, region B [Jmol] [rasmolscript] [script source]     - Domain d1v4gc_, region C [Jmol] [rasmolscript] [script source]     - Domain d1v4gd_, region D [Jmol] [rasmolscript] [script source]

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1v4g] [1v4g_C] [1v4g_B] [1v4g_D] [1v4g_A] SWISS-PROT database: [P0A6W9] Domain organization of [GSH1_ECOLI] by SWISSPFAM

Other resources with information on 1V4G

Community annotation for 1V4G at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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