ID   GSH1_KLEP3              Reviewed;         518 AA.
AC   B5XVC3;
DT   14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT   25-NOV-2008, sequence version 1.
DT   25-MAY-2022, entry version 63.
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=KPK_1108;
OS   Klebsiella pneumoniae (strain 342).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC   Enterobacteriaceae; Klebsiella/Raoultella group; Klebsiella.
OX   NCBI_TaxID=507522;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=342;
RX   PubMed=18654632; DOI=10.1371/journal.pgen.1000141;
RA   Fouts D.E., Tyler H.L., DeBoy R.T., Daugherty S., Ren Q., Badger J.H.,
RA   Durkin A.S., Huot H., Shrivastava S., Kothari S., Dodson R.J., Mohamoud Y.,
RA   Khouri H., Roesch L.F.W., Krogfelt K.A., Struve C., Triplett E.W.,
RA   Methe B.A.;
RT   "Complete genome sequence of the N2-fixing broad host range endophyte
RT   Klebsiella pneumoniae 342 and virulence predictions verified in mice.";
RL   PLoS Genet. 4:E1000141-E1000141(2008).
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; CP000964; ACI08599.1; -; Genomic_DNA.
DR   AlphaFoldDB; B5XVC3; -.
DR   SMR; B5XVC3; -.
DR   EnsemblBacteria; ACI08599; ACI08599; KPK_1108.
DR   KEGG; kpe:KPK_1108; -.
DR   HOGENOM; CLU_020728_3_0_6; -.
DR   OMA; RYSWLLM; -.
DR   OrthoDB; 967793at2; -.
DR   UniPathway; UPA00142; UER00209.
DR   Proteomes; UP000001734; 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_1000129597"
SQ   SEQUENCE   518 AA;  58085 MW;  D4FF1C3B4EE55C26 CRC64;
     MIPDVSQALA WLEKHPQALQ GIQRGLERET LRVNADGTLA TTGHPLALGS ALTHKWITTD
     FAEALLEFIT PVDGDIEHML TFMRDVHRYT ARQLGDERMW PLSMPCYIAP GQDIELAQYG
     TSNVGRLKTL YREGLKNRYG ALMQTISGVH YNFSLPMAFW QAKCGVEDVE SGKEAISAGY
     FRSIRNYYRF GWVIPYLFGA SPAICSSFLQ GKPTTLPFEE AGNGMYYLPY ATSLRLSDLG
     YTNKSQSNLG ITFNDLHEYV AGLKRAIKTP SEEYAKIGLQ KDGKYLQINS NILQIENELY
     APIRPKRVTR RGETPSDALL RGGIEYIEVR SLDINPFSPI GVDAQQVRFL DLFMVWCALA
     DAPEMSSDEL LCTRTNWNRV ILEGRKPGLT LGIGCESAQF PLAQVGKDLF RDLRRVAQTL
     DSIHGGQAYQ QVCDELLACF DDPELTFSAR ILRSMIEEGI GGTGRALADR YRTQLREEPL
     EILSEADFIA EREASVARQK KVEAEDSEPF EALLARHA