Reviewed, UniProtKB/Swiss-Prot P0A6X0 (GSH1_ECOL6)

Names and origin

Protein names

Recommended name:
    Glutamate--cysteine ligase
    EC=6.3.2.2
Alternative name(s):
    Gamma-glutamylcysteine synthetase
    Gamma-ECS
      Short name=GCS

Gene names

Name:	gshA
Ordered Locus Names:	c3245

Organism

Escherichia coli O6 [Complete proteome] [HAMAP]

Taxonomic identifier

217992 [NCBI]

Taxonomic lineage

Bacteria › Proteobacteria › Gammaproteobacteria › Enterobacteriales › Enterobacteriaceae › Escherichia

Protein attributes

Sequence length	518 AA.
Sequence status	Complete.
Sequence processing	The displayed sequence is not processed.
Protein existence	Inferred from homology.

General annotation (Comments)

Catalytic activity	ATP + L-glutamate + L-cysteine = ADP + phosphate + gamma-L-glutamyl-L-cysteine. HAMAP MF_00578
Pathway	Sulfur metabolism; glutathione biosynthesis; glutathione from L-cysteine and L-glutamate: step 1/2. HAMAP MF_00578
Sequence similarities	Belongs to the glutamate--cysteine ligase type 1 family. Type 1 subfamily.

Ontologies

Keywords
Biological process	Glutathione biosynthesis
Ligand	ATP-binding Nucleotide-binding
Molecular function	Ligase
Technical term	Complete proteome
Gene Ontology (GO)
Biological process	glutathione biosynthetic process Inferred from electronic annotation. Source: HAMAP
Molecular function	ATP binding Inferred from electronic annotation. Source: UniProtKB-KW glutamate-cysteine ligase activity Inferred from electronic annotation. Source: HAMAP
Complete GO annotation...

Sequence annotation (Features)

	Feature key	Position(s)	Length	Description	Graphical view	Feature identifier
Molecule processing
	Chain	1 – 518	518	Glutamate--cysteine ligase HAMAP MF_00578		PRO_0000192525

Sequences

	Sequence		Length	Mass (Da)
	P0A6X0-1 [UniParc]. Last modified March 29, 2005. Version 1. Checksum: 4E58C447B4D7FF16	FASTA	518	58,269
	10 20 30 40 50 60 MIPDVSQALA WLEKHPQALK GIQRGLERET LRVNADGTLA TTGHPEALGS ALTHKWITTD 70 80 90 100 110 120 FAEALLEFIT PVDGDIEHML TFMRDLHRYT ARNMGDERMW PLSMPCYIAE GQDIELAQYG 130 140 150 160 170 180 TSNTGRFKTL YREGLKNRYG ALMQTISGVH YNFSLPMAFW QAKCGDISGA DAKEKISAGY 190 200 210 220 230 240 FRVIRNYYRF GWVIPYLFGA SPAICSSFLQ GKPTSLPFEK TECGMYYLPY ATSLRLSDLG 250 260 270 280 290 300 YTNKSQSNLG ITFNDLYEYV AGLKQAIKTP SEEYAKIGIE KDGKRLQINS NVLQIENELY 310 320 330 340 350 360 APIRPKRVTR SGESPSDALL RGGIEYIEVR SLDINPFSPI GVDEQQVRFL DLFMVWCALA 370 380 390 400 410 420 DAPEMSSSEL ACTRVNWNRV ILEGRKPGLT LGIGCETAQF PLPQVGKDLF RDLKRVAQTL 430 440 450 460 470 480 DSINGGEAYQ KVCDELVACF DNPDLTFSAR ILRSMIDTGI GGTGKAFAEA YRNLLREEPL 490 500 510 EILREEDFVA EREASERRQQ EMEAADTEPF AVWLEKHA

References

[1]

"Extensive mosaic structure revealed by the complete genome sequence of uropathogenic Escherichia coli." Welch R.A., Burland V., Plunkett G. III, Redford P., Roesch P., Rasko D., Buckles E.L., Liou S.-R., Boutin A., Hackett J., Stroud D., Mayhew G.F., Rose D.J., Zhou S., Schwartz D.C., Perna N.T., Mobley H.L.T., Donnenberg M.S., Blattner F.R. Proc. Natl. Acad. Sci. U.S.A. 99:17020-17024(2002) [PubMed: 12471157] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. Strain: O6:H1 / CFT073 / ATCC 700928 / UPEC.

Cross-references

Sequence databases
EMBLGenBankDDBJ	AE014075 Genomic DNA. Translation: AAN81697.1.
RefSeq	NP_755127.1.
3D structure databases
SMR	P0A6X0. Positions 1-515.
ModBase	Search...
Genome annotation databases
GeneID	1039015.
GenomeReviews	Gene locus c3245 in contig AE014075_GR.
KEGG	ecc:c3245.
Organism-specific databases
CMR	Search...
Phylogenomic databases
HOGENOM	P0A6X0.
OMA	P0A6X0. EYIEVRA.
Enzyme and pathway databases
BRENDA	6.3.2.2. 292881.
Family and domain databases
HAMAP	MF_00578. [Tree]
InterPro	IPR007370. Glu_cys_ligase. IPR006334. Glut_cys_ligase. [Graphical view]
Pfam	PF04262. Glu_cys_ligase. 1 hit. [Graphical view]
TIGRFAMs	TIGR01434. glu_cys_ligase. 1 hit.
ProtoNet	Search...

Entry information

Entry name

GSH1_ECOL6

Accession

Primary (citable) accession number: P0A6X0
Secondary accession number(s): P06980, P78228

Entry history

Integrated into UniProtKB/Swiss-Prot:	April 1, 1988
Last sequence update:	March 29, 2005
Last modified:	June 16, 2009
This is version 23 of the entry and version 1 of the sequence. [Complete history]

Entry status

Reviewed (UniProtKB/Swiss-Prot)

Annotation project

HAMAP (High-quality Automated and Manual Annotation of microbial Proteomes)