ID   GSH1_ECOLU              Reviewed;         518 AA.
AC   B7N6S3;
DT   14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT   10-FEB-2009, sequence version 1.
DT   25-MAY-2022, entry version 67.
DE   RecName: Full=Glutamate--cysteine ligase {ECO:0000255|HAMAP-Rule:MF_00578};
DE            EC=6.3.2.2 {ECO:0000255|HAMAP-Rule:MF_00578};
DE   AltName: Full=Gamma-ECS {ECO:0000255|HAMAP-Rule:MF_00578};
DE            Short=GCS {ECO:0000255|HAMAP-Rule:MF_00578};
DE   AltName: Full=Gamma-glutamylcysteine synthetase {ECO:0000255|HAMAP-Rule:MF_00578};
GN   Name=gshA {ECO:0000255|HAMAP-Rule:MF_00578}; OrderedLocusNames=ECUMN_3013;
OS   Escherichia coli O17:K52:H18 (strain UMN026 / ExPEC).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC   Enterobacteriaceae; Escherichia.
OX   NCBI_TaxID=585056;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=UMN026 / ExPEC;
RX   PubMed=19165319; DOI=10.1371/journal.pgen.1000344;
RA   Touchon M., Hoede C., Tenaillon O., Barbe V., Baeriswyl S., Bidet P.,
RA   Bingen E., Bonacorsi S., Bouchier C., Bouvet O., Calteau A., Chiapello H.,
RA   Clermont O., Cruveiller S., Danchin A., Diard M., Dossat C., Karoui M.E.,
RA   Frapy E., Garry L., Ghigo J.M., Gilles A.M., Johnson J., Le Bouguenec C.,
RA   Lescat M., Mangenot S., Martinez-Jehanne V., Matic I., Nassif X., Oztas S.,
RA   Petit M.A., Pichon C., Rouy Z., Ruf C.S., Schneider D., Tourret J.,
RA   Vacherie B., Vallenet D., Medigue C., Rocha E.P.C., Denamur E.;
RT   "Organised genome dynamics in the Escherichia coli species results in
RT   highly diverse adaptive paths.";
RL   PLoS Genet. 5:E1000344-E1000344(2009).
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=ATP + L-cysteine + L-glutamate = ADP + gamma-L-glutamyl-L-
CC         cysteine + H(+) + phosphate; Xref=Rhea:RHEA:13285, ChEBI:CHEBI:15378,
CC         ChEBI:CHEBI:29985, ChEBI:CHEBI:30616, ChEBI:CHEBI:35235,
CC         ChEBI:CHEBI:43474, ChEBI:CHEBI:58173, ChEBI:CHEBI:456216; EC=6.3.2.2;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00578};
CC   -!- PATHWAY: Sulfur metabolism; glutathione biosynthesis; glutathione from
CC       L-cysteine and L-glutamate: step 1/2. {ECO:0000255|HAMAP-
CC       Rule:MF_00578}.
CC   -!- SIMILARITY: Belongs to the glutamate--cysteine ligase type 1 family.
CC       Type 1 subfamily. {ECO:0000255|HAMAP-Rule:MF_00578}.
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DR   EMBL; CU928163; CAR14184.1; -; Genomic_DNA.
DR   RefSeq; WP_000611791.1; NC_011751.1.
DR   RefSeq; YP_002413706.1; NC_011751.1.
DR   AlphaFoldDB; B7N6S3; -.
DR   SMR; B7N6S3; -.
DR   STRING; 585056.ECUMN_3013; -.
DR   EnsemblBacteria; CAR14184; CAR14184; ECUMN_3013.
DR   KEGG; eum:ECUMN_3013; -.
DR   PATRIC; fig|585056.7.peg.3190; -.
DR   HOGENOM; CLU_020728_3_0_6; -.
DR   OMA; RYSWLLM; -.
DR   UniPathway; UPA00142; UER00209.
DR   Proteomes; UP000007097; Chromosome.
DR   GO; GO:0005524; F:ATP binding; IEA:UniProtKB-KW.
DR   GO; GO:0004357; F:glutamate-cysteine ligase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0006750; P:glutathione biosynthetic process; IEA:UniProtKB-UniRule.
DR   HAMAP; MF_00578; Glu_cys_ligase; 1.
DR   InterPro; IPR014746; Gln_synth/guanido_kin_cat_dom.
DR   InterPro; IPR007370; Glu_cys_ligase.
DR   InterPro; IPR006334; Glut_cys_ligase.
DR   PANTHER; PTHR38761; PTHR38761; 1.
DR   Pfam; PF04262; Glu_cys_ligase; 1.
DR   SUPFAM; SSF55931; SSF55931; 1.
DR   TIGRFAMs; TIGR01434; glu_cys_ligase; 1.
PE   3: Inferred from homology;
KW   ATP-binding; Glutathione biosynthesis; Ligase; Nucleotide-binding.
FT   CHAIN           1..518
FT                   /note="Glutamate--cysteine ligase"
FT                   /id="PRO_1000129592"
SQ   SEQUENCE   518 AA;  58368 MW;  42965D58AF866DFB CRC64;
     MIPDVSQALA WLEKHPQALK GIQRGLERET LRVNADGTLA TTGHPEALGS ALTHKWITTD
     FAEALLEFIT PVDGDIEHML TFMRDLHRYT ARNMGDERMW PLSMPCYIAE GQDIELAQYG
     TSNTGRFKTL YREGLKNRYG ALMQTISGVH YNFSLPMAFW QAKCGDISGA DAKEKISAGY
     FRVIRNYYRF GWVIPYLFGA SPAICSSFLQ GKPTSLPFEK TECGMYYLPY ATSLRLSDLG
     YTNKSQSNLG ITFNDLYEYV AGLKQAIKTP SEEYAKIGIE KDGKRLQINS NVLQIENELY
     APIRPKRVTR SGESPSDALL RGGIEYIEVR SLDINPFSPI GVDEQQVRFL DLFMVWCALA
     DAPEMSSKEL ACTRVNWNRV ILEGRKPDLT LGIGCETAQF PLPQVGKDLF RDLKRVAQTL
     DSINGGEAYQ KVCDELVACF DNPDLTFSAR ILRSMIDTGI GGTGKAFAEA YRNLLREEPL
     EILREEDFVA EREASERRQQ EMEAADTEPF AVWLEKHA