GSHB_PROMM
ID GSHB_PROMM Reviewed; 308 AA.
AC Q7TUK9;
DT 15-DEC-2003, integrated into UniProtKB/Swiss-Prot.
DT 15-DEC-2003, sequence version 2.
DT 03-AUG-2022, entry version 98.
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=PMT_2061;
OS Prochlorococcus marinus (strain MIT 9313).
OC Bacteria; Cyanobacteria; Synechococcales; Prochlorococcaceae;
OC Prochlorococcus.
OX NCBI_TaxID=74547;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=MIT 9313;
RX PubMed=12917642; DOI=10.1038/nature01947;
RA Rocap G., Larimer F.W., Lamerdin J.E., Malfatti S., Chain P., Ahlgren N.A.,
RA Arellano A., Coleman M., Hauser L., Hess W.R., Johnson Z.I., Land M.L.,
RA Lindell D., Post A.F., Regala W., Shah M., Shaw S.L., Steglich C.,
RA Sullivan M.B., Ting C.S., Tolonen A., Webb E.A., Zinser E.R.,
RA Chisholm S.W.;
RT "Genome divergence in two Prochlorococcus ecotypes reflects oceanic niche
RT differentiation.";
RL Nature 424:1042-1047(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}.
CC -!- SEQUENCE CAUTION:
CC Sequence=CAE22235.1; Type=Erroneous initiation; Evidence={ECO:0000305};
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DR EMBL; BX548175; CAE22235.1; ALT_INIT; Genomic_DNA.
DR RefSeq; WP_041385256.1; NC_005071.1.
DR AlphaFoldDB; Q7TUK9; -.
DR SMR; Q7TUK9; -.
DR STRING; 74547.PMT_2061; -.
DR EnsemblBacteria; CAE22235; CAE22235; PMT_2061.
DR KEGG; pmt:PMT_2061; -.
DR eggNOG; COG0189; Bacteria.
DR HOGENOM; CLU_068239_0_0_3; -.
DR UniPathway; UPA00142; UER00210.
DR Proteomes; UP000001423; 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; Reference proteome.
FT CHAIN 1..308
FT /note="Glutathione synthetase"
FT /id="PRO_0000197474"
FT DOMAIN 120..304
FT /note="ATP-grasp"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00162"
FT BINDING 146..202
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00162"
FT BINDING 275
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00162"
FT BINDING 277
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00162"
SQ SEQUENCE 308 AA; 33316 MW; C5D44F7E79D83F49 CRC64;
MRQLFVLDPL QCIQPAKDSS AALMQAAQRA SIEVWACTPA DLQARGDQLS AIAVPVVAEP
WISTGEPRSL PLTDFACIWM RKDPPVDEGY LYATHLLELA ERAGVCVLNR PAALRAWNEK
LGALRFNNLM APTLVASRVS ELAAFAREQE EVVLKPLGGR AGQGLVRVAG AAPGLEALLE
LVTDQEQLPV MVQRFLPAVI EGDKRILLVD GEPLGAVNRR PKAGDFRSNL AMGGRPEPTE
LDSRELQICA ELAPVLREQG LFFVGIDVID GLLSEINVTS PTGIREVERL KGVPLADQVI
ARLLVSLG
