ID   GSH1_PSEA8              Reviewed;         527 AA.
AC   B7V3V0;
DT   14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT   10-FEB-2009, sequence version 1.
DT   25-MAY-2022, entry version 64.
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=PLES_55971;
OS   Pseudomonas aeruginosa (strain LESB58).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Pseudomonadales;
OC   Pseudomonadaceae; Pseudomonas.
OX   NCBI_TaxID=557722;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=LESB58;
RX   PubMed=19047519; DOI=10.1101/gr.086082.108;
RA   Winstanley C., Langille M.G.I., Fothergill J.L., Kukavica-Ibrulj I.,
RA   Paradis-Bleau C., Sanschagrin F., Thomson N.R., Winsor G.L., Quail M.A.,
RA   Lennard N., Bignell A., Clarke L., Seeger K., Saunders D., Harris D.,
RA   Parkhill J., Hancock R.E.W., Brinkman F.S.L., Levesque R.C.;
RT   "Newly introduced genomic prophage islands are critical determinants of in
RT   vivo competitiveness in the Liverpool epidemic strain of Pseudomonas
RT   aeruginosa.";
RL   Genome Res. 19:12-23(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; FM209186; CAW30351.1; -; Genomic_DNA.
DR   RefSeq; WP_009877231.1; NC_011770.1.
DR   AlphaFoldDB; B7V3V0; -.
DR   SMR; B7V3V0; -.
DR   KEGG; pag:PLES_55971; -.
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..527
FT                   /note="Glutamate--cysteine ligase"
FT                   /id="PRO_1000129599"
SQ   SEQUENCE   527 AA;  59220 MW;  3F31E8D1DABA6608 CRC64;
     MSDLLSRRLA LLGAAANLPL LTECLHGIER ECLRVDSDGK LALTPHPRAL GSTLTHPQIT
     TDYSEALLEF ITPTETDVAD TLADLERIHR FASSKLDGEY LWSPSMPCEL PDEESIPIAR
     YGSSLIGRLK YVYRKGLALR YGKTMQCIAG IHYNFSLPER LWPLLRQAEG SELSERDYQS
     AAYIALIRNF RRYSWLLMYL FGASPALDAG FLRGRPSQLE RLDEHTLYLP YATSLRMSDL
     GYQNNAQAGL TPCYNDLQSY IDSLRQAVST PYPPYEKVGT KQDGEWVQLN TNILQIENEY
     YSSIRPKRVT YTGERPVQAL AARGVQYVEV RCLDINPFLP LGIDLDEARF LDAFLLFCAF
     SDSPLLNGEC SDATDNFLAV VKEGRRPGLQ LQRRGQPVEL QVWANELLER IADTAALLDR
     ARGGEAHAAA LAAQRAKVAD AELTPSAQVL KVMRERGESF EAFSLRQSRE HAEYFRQHPL
     AAEEQARFEK MASDSLAEQT ELERDQDGDF DTFVAAYQAS ILGLISN