ID   GSHB_BUCBP              Reviewed;         324 AA.
AC   P59495;
DT   04-APR-2003, integrated into UniProtKB/Swiss-Prot.
DT   04-APR-2003, sequence version 1.
DT   27-MAR-2024, entry version 117.
DE   RecName: Full=Glutathione synthetase {ECO:0000255|HAMAP-Rule:MF_00162};
DE            EC=6.3.2.3 {ECO:0000255|HAMAP-Rule:MF_00162};
DE   AltName: Full=GSH synthetase {ECO:0000255|HAMAP-Rule:MF_00162};
DE            Short=GSH-S {ECO:0000255|HAMAP-Rule:MF_00162};
DE            Short=GSHase {ECO:0000255|HAMAP-Rule:MF_00162};
DE   AltName: Full=Glutathione synthase {ECO:0000255|HAMAP-Rule:MF_00162};
GN   Name=gshB {ECO:0000255|HAMAP-Rule:MF_00162};
GN   OrderedLocusNames=bbp_490;
OS   Buchnera aphidicola subsp. Baizongia pistaciae (strain Bp).
OC   Bacteria; Pseudomonadota; Gammaproteobacteria; Enterobacterales;
OC   Erwiniaceae; Buchnera.
OX   NCBI_TaxID=224915;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=Bp;
RX   PubMed=12522265; DOI=10.1073/pnas.0235981100;
RA   van Ham R.C.H.J., Kamerbeek J., Palacios C., Rausell C., Abascal F.,
RA   Bastolla U., Fernandez J.M., Jimenez L., Postigo M., Silva F.J.,
RA   Tamames J., Viguera E., Latorre A., Valencia A., Moran F., Moya A.;
RT   "Reductive genome evolution in Buchnera aphidicola.";
RL   Proc. Natl. Acad. Sci. U.S.A. 100:581-586(2003).
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=ATP + gamma-L-glutamyl-L-cysteine + glycine = ADP +
CC         glutathione + H(+) + phosphate; Xref=Rhea:RHEA:13557,
CC         ChEBI:CHEBI:15378, ChEBI:CHEBI:30616, ChEBI:CHEBI:43474,
CC         ChEBI:CHEBI:57305, ChEBI:CHEBI:57925, ChEBI:CHEBI:58173,
CC         ChEBI:CHEBI:456216; EC=6.3.2.3; Evidence={ECO:0000255|HAMAP-
CC         Rule:MF_00162};
CC   -!- COFACTOR:
CC       Name=Mg(2+); Xref=ChEBI:CHEBI:18420; Evidence={ECO:0000250};
CC       Name=Mn(2+); Xref=ChEBI:CHEBI:29035; Evidence={ECO:0000250};
CC       Note=Binds 1 Mg(2+) or Mn(2+) ion per subunit. {ECO:0000250};
CC   -!- PATHWAY: Sulfur metabolism; glutathione biosynthesis; glutathione from
CC       L-cysteine and L-glutamate: step 2/2. {ECO:0000255|HAMAP-
CC       Rule:MF_00162}.
CC   -!- SIMILARITY: Belongs to the prokaryotic GSH synthase family.
CC       {ECO:0000255|HAMAP-Rule:MF_00162}.
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DR   EMBL; AE016826; AAO27195.1; -; Genomic_DNA.
DR   RefSeq; WP_011091596.1; NC_004545.1.
DR   AlphaFoldDB; P59495; -.
DR   SMR; P59495; -.
DR   STRING; 224915.bbp_490; -.
DR   KEGG; bab:bbp_490; -.
DR   eggNOG; COG0189; Bacteria.
DR   HOGENOM; CLU_068239_0_0_6; -.
DR   OrthoDB; 9785415at2; -.
DR   UniPathway; UPA00142; UER00210.
DR   Proteomes; UP000000601; Chromosome.
DR   GO; GO:0005524; F:ATP binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0004363; F:glutathione synthase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR   Gene3D; 3.40.50.20; -; 1.
DR   Gene3D; 3.30.1490.20; ATP-grasp fold, A domain; 1.
DR   Gene3D; 3.30.470.20; ATP-grasp fold, B domain; 1.
DR   HAMAP; MF_00162; GSH_S; 1.
DR   InterPro; IPR011761; ATP-grasp.
DR   InterPro; IPR013815; ATP_grasp_subdomain_1.
DR   InterPro; IPR006284; Glut_synth_pro.
DR   InterPro; IPR004218; GSHS_ATP-bd.
DR   InterPro; IPR004215; GSHS_N.
DR   InterPro; IPR016185; PreATP-grasp_dom_sf.
DR   NCBIfam; TIGR01380; glut_syn; 1.
DR   PANTHER; PTHR21621:SF4; GLUTATHIONE SYNTHETASE; 1.
DR   PANTHER; PTHR21621; RIBOSOMAL PROTEIN S6 MODIFICATION PROTEIN; 1.
DR   Pfam; PF02955; GSH-S_ATP; 1.
DR   Pfam; PF02951; GSH-S_N; 1.
DR   SUPFAM; SSF56059; Glutathione synthetase ATP-binding domain-like; 1.
DR   SUPFAM; SSF52440; PreATP-grasp domain; 1.
DR   PROSITE; PS50975; ATP_GRASP; 1.
PE   3: Inferred from homology;
KW   ATP-binding; Glutathione biosynthesis; Ligase; Magnesium; Manganese;
KW   Metal-binding; Nucleotide-binding; Reference proteome.
FT   CHAIN           1..324
FT                   /note="Glutathione synthetase"
FT                   /id="PRO_0000197461"
FT   DOMAIN          125..312
FT                   /note="ATP-grasp"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00162"
FT   BINDING         152..209
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00162"
FT   BINDING         283
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00162"
FT   BINDING         285
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00162"
SQ   SEQUENCE   324 AA;  37363 MW;  95B1F0E16987167B CRC64;
     MTINLGIIMD PISSINIKKD SSFAILLEAQ NRKYKIYYME LKDLYLKDNK PYSHTKLLRI
     KNNKKQWFTL EQQKDVSLSN LDVILMRKNP PINRAYIYAT YILEQAERNG SYIINKPSSL
     RSYNEKLFTT THFPQYIPKT LITSNSTKIH NFIKTYKDII IKPLHGMAGL SIFRIKEHDP
     NTSVIIETMT KYETIPCISQ NYITDIQKGD KRILIINGIP FPWCLARIPK KHENRGNLSI
     GGYGNTQKLS KNDWEIALSI APTLNKKGIF FAGIDIIGTK LTEINITSPT CIQEIEQDTG
     ISISTIILDN LEKNLKKRKT NRYL
//