GSHAB_CLOPE
ID GSHAB_CLOPE Reviewed; 778 AA.
AC Q8XK30;
DT 30-AUG-2002, integrated into UniProtKB/Swiss-Prot.
DT 01-MAR-2002, sequence version 1.
DT 03-AUG-2022, entry version 113.
DE RecName: Full=Glutathione biosynthesis bifunctional protein GshAB {ECO:0000255|HAMAP-Rule:MF_00782};
DE AltName: Full=Gamma-GCS-GS {ECO:0000255|HAMAP-Rule:MF_00782};
DE Short=GCS-GS {ECO:0000255|HAMAP-Rule:MF_00782};
DE Includes:
DE RecName: Full=Glutamate--cysteine ligase {ECO:0000255|HAMAP-Rule:MF_00782};
DE EC=6.3.2.2 {ECO:0000255|HAMAP-Rule:MF_00782};
DE AltName: Full=Gamma-ECS {ECO:0000255|HAMAP-Rule:MF_00782};
DE Short=GCS {ECO:0000255|HAMAP-Rule:MF_00782};
DE AltName: Full=Gamma-glutamylcysteine synthetase {ECO:0000255|HAMAP-Rule:MF_00782};
DE Includes:
DE RecName: Full=Glutathione synthetase {ECO:0000255|HAMAP-Rule:MF_00782};
DE EC=6.3.2.3 {ECO:0000255|HAMAP-Rule:MF_00782};
DE AltName: Full=GSH synthetase {ECO:0000255|HAMAP-Rule:MF_00782};
DE Short=GS {ECO:0000255|HAMAP-Rule:MF_00782};
DE Short=GSH-S {ECO:0000255|HAMAP-Rule:MF_00782};
DE Short=GSHase {ECO:0000255|HAMAP-Rule:MF_00782};
DE AltName: Full=Glutathione synthase {ECO:0000255|HAMAP-Rule:MF_00782};
GN Name=gshAB {ECO:0000255|HAMAP-Rule:MF_00782};
GN Synonyms=gshF {ECO:0000255|HAMAP-Rule:MF_00782}; OrderedLocusNames=CPE1573;
OS Clostridium perfringens (strain 13 / Type A).
OC Bacteria; Firmicutes; Clostridia; Eubacteriales; Clostridiaceae;
OC Clostridium.
OX NCBI_TaxID=195102;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=13 / Type A;
RX PubMed=11792842; DOI=10.1073/pnas.022493799;
RA Shimizu T., Ohtani K., Hirakawa H., Ohshima K., Yamashita A., Shiba T.,
RA Ogasawara N., Hattori M., Kuhara S., Hayashi H.;
RT "Complete genome sequence of Clostridium perfringens, an anaerobic flesh-
RT eater.";
RL Proc. Natl. Acad. Sci. U.S.A. 99:996-1001(2002).
CC -!- FUNCTION: Synthesizes glutathione from L-glutamate and L-cysteine via
CC gamma-L-glutamyl-L-cysteine. {ECO:0000255|HAMAP-Rule:MF_00782}.
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_00782};
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_00782};
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 2 magnesium or manganese ions per subunit. {ECO:0000250};
CC -!- PATHWAY: Sulfur metabolism; glutathione biosynthesis; glutathione from
CC L-cysteine and L-glutamate: step 1/2. {ECO:0000255|HAMAP-
CC Rule:MF_00782}.
CC -!- PATHWAY: Sulfur metabolism; glutathione biosynthesis; glutathione from
CC L-cysteine and L-glutamate: step 2/2. {ECO:0000255|HAMAP-
CC Rule:MF_00782}.
CC -!- SUBUNIT: Monomer. {ECO:0000255|HAMAP-Rule:MF_00782}.
CC -!- SIMILARITY: In the N-terminal section; belongs to the glutamate--
CC cysteine ligase type 1 family. Type 2 subfamily. {ECO:0000255|HAMAP-
CC Rule:MF_00782}.
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DR EMBL; BA000016; BAB81279.1; -; Genomic_DNA.
DR RefSeq; WP_011010516.1; NC_003366.1.
DR AlphaFoldDB; Q8XK30; -.
DR SMR; Q8XK30; -.
DR STRING; 195102.gene:10490837; -.
DR PRIDE; Q8XK30; -.
DR EnsemblBacteria; BAB81279; BAB81279; BAB81279.
DR KEGG; cpe:CPE1573; -.
DR HOGENOM; CLU_020728_1_0_9; -.
DR OMA; EANFNPM; -.
DR UniPathway; UPA00142; UER00209.
DR UniPathway; UPA00142; UER00210.
DR Proteomes; UP000000818; Chromosome.
DR GO; GO:0005524; F:ATP binding; IEA:UniProtKB-UniRule.
DR GO; GO:0004357; F:glutamate-cysteine ligase activity; 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_00782; Glut_biosynth; 1.
DR InterPro; IPR011761; ATP-grasp.
DR InterPro; IPR013815; ATP_grasp_subdomain_1.
DR InterPro; IPR014746; Gln_synth/guanido_kin_cat_dom.
DR InterPro; IPR007370; Glu_cys_ligase.
DR InterPro; IPR006335; Glut_biosynth.
DR InterPro; IPR006334; Glut_cys_ligase.
DR InterPro; IPR040657; GshAB_ATP-grasp.
DR InterPro; IPR020561; PRibGlycinamid_synth_ATP-grasp.
DR PANTHER; PTHR38761; PTHR38761; 1.
DR Pfam; PF18419; ATP-grasp_6; 1.
DR Pfam; PF01071; GARS_A; 1.
DR Pfam; PF04262; Glu_cys_ligase; 1.
DR SUPFAM; SSF55931; SSF55931; 1.
DR TIGRFAMs; TIGR01435; glu_cys_lig_rel; 1.
DR PROSITE; PS50975; ATP_GRASP; 1.
PE 3: Inferred from homology;
KW ATP-binding; Glutathione biosynthesis; Ligase; Magnesium; Manganese;
KW Metal-binding; Multifunctional enzyme; Nucleotide-binding;
KW Reference proteome.
FT CHAIN 1..778
FT /note="Glutathione biosynthesis bifunctional protein GshAB"
FT /id="PRO_0000192549"
FT DOMAIN 521..777
FT /note="ATP-grasp"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00782"
FT REGION 1..354
FT /note="Glutamate--cysteine ligase"
FT BINDING 548..606
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00782"
FT BINDING 728
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="1"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00782"
FT BINDING 728
FT /ligand="Mn(2+)"
FT /ligand_id="ChEBI:CHEBI:29035"
FT /ligand_label="1"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00782"
FT BINDING 747
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="1"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00782"
FT BINDING 747
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="2"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00782"
FT BINDING 747
FT /ligand="Mn(2+)"
FT /ligand_id="ChEBI:CHEBI:29035"
FT /ligand_label="1"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00782"
FT BINDING 747
FT /ligand="Mn(2+)"
FT /ligand_id="ChEBI:CHEBI:29035"
FT /ligand_label="2"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00782"
FT BINDING 749
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="2"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00782"
FT BINDING 749
FT /ligand="Mn(2+)"
FT /ligand_id="ChEBI:CHEBI:29035"
FT /ligand_label="2"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00782"
SQ SEQUENCE 778 AA; 90463 MW; 2008FF46AF06423E CRC64;
MVNLDKGLLK IIKDESLEDY FIKANFGLEK ENVRVTESGN LALTPHPKAF GDREKNAYIK
TDFSESQLEM VTPVCNTLEE VYSFICNLNK VVSLEIMKNG EFLWPQSNPP ILPREEEIPI
AKLSNREDEL YRENLSYKYG KKKQVISGIH YNFSFKEEFI KLLYKELKVE KDFREFKDDI
YLRMARNFQK YHWLLIYLTG ASPVFHESYI EEIKEEGEKL GEDSYYIKDD TSLRNSSYGY
KNKKDYYVSY NSIEEYASDI KNLVKDKEIQ SIKEYYNPIR LKSLGSEDML ESLLHKGIDY
LEVRLLDLDP LSIQGVSKET LYLLHLFMIY TLLKENKEIT YKDQEEFFKN HDMVALKGRN
EEAVIYENGV PVLLKDKGRE ILSEMDEIVE ILFSNNEEFK NVIKRALEKI NNPHDTISEK
LIKDIKEEGY INFHMRLAKE YLNNFKNKEF NLVGYEDLEL STQILILDAI KRGIEFNIMD
RLENFISLSD GEKVEYVKQA TKTSKDSYIT ALIMENKLVT KDILRENNIR VPKGKDYDNI
DEAKKDFRLF KDEKIVIKPK STNFGLGISI FPGEYSREDY DKAVEIAFRE DSSILIEEFM
TGKEYRFLVI GEEVVGILHR EPANVIGNGE STIEELVSEK NKDPLRGKGY KTPLEKIKLG
EIEEMFLKNQ GLSFKSIPKN GEKIYLRENS NISTGGDSID FTDKIHPSYK EVALKSAKAV
KALICGVDMV IDNIEEEAKE KNHGIIELNF NPAIHIHCFP YKGENRKAGE KILDLLFN
