GSHB_BUCAP
ID GSHB_BUCAP Reviewed; 320 AA.
AC Q8K931;
DT 08-NOV-2002, integrated into UniProtKB/Swiss-Prot.
DT 01-OCT-2002, sequence version 1.
DT 03-AUG-2022, entry version 112.
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}; OrderedLocusNames=BUsg_529;
OS Buchnera aphidicola subsp. Schizaphis graminum (strain Sg).
OC Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC Erwiniaceae; Buchnera.
OX NCBI_TaxID=198804;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=Sg;
RX PubMed=12089438; DOI=10.1126/science.1071278;
RA Tamas I., Klasson L., Canbaeck B., Naeslund A.K., Eriksson A.-S.,
RA Wernegreen J.J., Sandstroem J.P., Moran N.A., Andersson S.G.E.;
RT "50 million years of genomic stasis in endosymbiotic bacteria.";
RL Science 296:2376-2379(2002).
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; AE013218; AAM68070.1; -; Genomic_DNA.
DR RefSeq; WP_011054036.1; NC_004061.1.
DR AlphaFoldDB; Q8K931; -.
DR SMR; Q8K931; -.
DR STRING; 198804.BUsg_529; -.
DR EnsemblBacteria; AAM68070; AAM68070; BUsg_529.
DR KEGG; bas:BUsg_529; -.
DR eggNOG; COG0189; Bacteria.
DR HOGENOM; CLU_068239_0_0_6; -.
DR OMA; WMRKDPP; -.
DR OrthoDB; 878336at2; -.
DR UniPathway; UPA00142; UER00210.
DR Proteomes; UP000000416; 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; 3.30.1490.20; -; 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 PANTHER; PTHR21621:SF4; PTHR21621:SF4; 1.
DR Pfam; PF02955; GSH-S_ATP; 1.
DR Pfam; PF02951; GSH-S_N; 1.
DR SUPFAM; SSF52440; SSF52440; 1.
DR TIGRFAMs; TIGR01380; glut_syn; 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.
FT CHAIN 1..320
FT /note="Glutathione synthetase"
FT /id="PRO_0000197460"
FT DOMAIN 130..315
FT /note="ATP-grasp"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00162"
FT BINDING 156..212
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00162"
FT BINDING 286
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00162"
FT BINDING 288
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00162"
SQ SEQUENCE 320 AA; 37166 MW; 20D4A253EEBBD83E CRC64;
MRKKKNLKIG IVMDSITLIN IKKDSSFAIL LEAQKRQHEI YYMEMNDLYL RKGQSYATTK
SIEIQKNQNN YFKFIQKKDI SLNELDAILM RKDPPFNTEF IYATYILERA EEKGVLVINK
PKSLRDCNEK IFISWFSRFT TDTLVTRKLS KIHNFWKEKN DIILKPLDAM GGKGVFRIKK
DDPNFSVIVE TLTNYEKKYC MIQTYLPEVQ FGDKRILIVN GKPIPWSLTR IPKHGETRAN
LAVGGEGRVQ KLNDKDWEIA NYLAPILKKR GLILVGLDVI GDKLTEINVT SPTCICEIEE
KKNISITGIL IDYIEDKIYK