ID   GSH1_ECO8A              Reviewed;         518 AA.
AC   B7M9D0;
DT   14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT   10-FEB-2009, sequence version 1.
DT   25-MAY-2022, entry version 69.
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=ECIAI1_2783;
OS   Escherichia coli O8 (strain IAI1).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC   Enterobacteriaceae; Escherichia.
OX   NCBI_TaxID=585034;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=IAI1;
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; CU928160; CAQ99609.1; -; Genomic_DNA.
DR   RefSeq; WP_000611770.1; NC_011741.1.
DR   AlphaFoldDB; B7M9D0; -.
DR   SMR; B7M9D0; -.
DR   KEGG; ecr:ECIAI1_2783; -.
DR   HOGENOM; CLU_020728_3_0_6; -.
DR   OMA; RYSWLLM; -.
DR   UniPathway; UPA00142; UER00209.
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_1000129590"
SQ   SEQUENCE   518 AA;  58315 MW;  2021BD3DD000B07F CRC64;
     MIPDVSQALA WLEKHPQALK GIQRGLERET LRVNADGTLA TTGHPEALGS ALTHKWITTD
     FAEALLEFIT PVDGDIEHML TFMRDLHRYT ARNMCDERMW 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
     DAPEMSSSEL ACTRVNWNRV ILEGRKPGLT LGIGCETAQF PLPQVGKDLF RDLKRVAQTL
     DSINGGEAYQ KVCDELVACF DNPDLTFSAR ILRSMIDTGI GGTGKAFAEA YRNLLREEPL
     EILREEDFVA EREASERRQQ EMEAADTEPF AVWLEKHA