ID   GSHB_SYNY3              Reviewed;         320 AA.
AC   P73493;
DT   30-MAY-2000, integrated into UniProtKB/Swiss-Prot.
DT   01-FEB-1997, sequence version 1.
DT   27-MAR-2024, entry version 141.
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=slr1238;
OS   Synechocystis sp. (strain PCC 6803 / Kazusa).
OC   Bacteria; Cyanobacteriota; Cyanophyceae; Synechococcales; Merismopediaceae;
OC   Synechocystis.
OX   NCBI_TaxID=1111708;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=PCC 6803 / Kazusa;
RX   PubMed=8905231; DOI=10.1093/dnares/3.3.109;
RA   Kaneko T., Sato S., Kotani H., Tanaka A., Asamizu E., Nakamura Y.,
RA   Miyajima N., Hirosawa M., Sugiura M., Sasamoto S., Kimura T., Hosouchi T.,
RA   Matsuno A., Muraki A., Nakazaki N., Naruo K., Okumura S., Shimpo S.,
RA   Takeuchi C., Wada T., Watanabe A., Yamada M., Yasuda M., Tabata S.;
RT   "Sequence analysis of the genome of the unicellular cyanobacterium
RT   Synechocystis sp. strain PCC6803. II. Sequence determination of the entire
RT   genome and assignment of potential protein-coding regions.";
RL   DNA Res. 3:109-136(1996).
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; BA000022; BAA17533.1; -; Genomic_DNA.
DR   PIR; S77430; S77430.
DR   AlphaFoldDB; P73493; -.
DR   SMR; P73493; -.
DR   IntAct; P73493; 1.
DR   STRING; 1148.gene:10498398; -.
DR   PaxDb; 1148-1652612; -.
DR   EnsemblBacteria; BAA17533; BAA17533; BAA17533.
DR   KEGG; syn:slr1238; -.
DR   eggNOG; COG0189; Bacteria.
DR   InParanoid; P73493; -.
DR   PhylomeDB; P73493; -.
DR   BioCyc; MetaCyc:MONOMER-20776; -.
DR   BRENDA; 6.3.2.3; 382.
DR   UniPathway; UPA00142; UER00210.
DR   Proteomes; UP000001425; Chromosome.
DR   GO; GO:0005737; C:cytoplasm; IBA:GO_Central.
DR   GO; GO:0005524; F:ATP binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0004363; F:glutathione synthase activity; IBA:GO_Central.
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..320
FT                   /note="Glutathione synthetase"
FT                   /id="PRO_0000197490"
FT   DOMAIN          133..317
FT                   /note="ATP-grasp"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00162"
FT   BINDING         159..215
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
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"
FT   BINDING         290
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00162"
SQ   SEQUENCE   320 AA;  35069 MW;  6C7BD439A23D185A CRC64;
     MKLAFIIDPL EKLDPGHDST VAIMEAAQKL GHEVFVTSVG DLAVINGQAW AKLAAVRLQP
     VILVDGHWQV SQPWSELSKS QWMALTECQA VFMRKDPPVT VQYLYATFIL ELLAPTKTMV
     INSPQGLREA NEKMYTLQFA AVMPPTVVSL DKGLIRQFLE EHGAAVLKPL GGKAGEGILF
     LDPGDRNFNS LVEISTQHGK EPVMVQRFLP EAKEGDKRII LLDGDPIGAV NRIPSGAEFR
     GNMAVGGQVA PTTITSREIE ICALLKPKLQ ADGLYFVGID VIGGYLTEVN VTSPTGIREI
     DRLEGVRLGE KVICWLEKQF
//