ID A0A1G6B488_9STRE Unreviewed; 751 AA.
AC A0A1G6B488;
DT 12-APR-2017, integrated into UniProtKB/TrEMBL.
DT 12-APR-2017, sequence version 1.
DT 24-JAN-2024, entry version 36.
DE RecName: Full=Glutathione biosynthesis bifunctional protein GshAB {ECO:0000256|HAMAP-Rule:MF_00782};
DE AltName: Full=Gamma-GCS-GS {ECO:0000256|HAMAP-Rule:MF_00782};
DE Short=GCS-GS {ECO:0000256|HAMAP-Rule:MF_00782};
DE Includes:
DE RecName: Full=Glutamate--cysteine ligase {ECO:0000256|HAMAP-Rule:MF_00782};
DE EC=6.3.2.2 {ECO:0000256|HAMAP-Rule:MF_00782};
DE AltName: Full=Gamma-ECS {ECO:0000256|HAMAP-Rule:MF_00782};
DE Short=GCS {ECO:0000256|HAMAP-Rule:MF_00782};
DE AltName: Full=Gamma-glutamylcysteine synthetase {ECO:0000256|HAMAP-Rule:MF_00782};
DE Includes:
DE RecName: Full=Glutathione synthetase {ECO:0000256|HAMAP-Rule:MF_00782};
DE EC=6.3.2.3 {ECO:0000256|HAMAP-Rule:MF_00782};
DE AltName: Full=GSH synthetase {ECO:0000256|HAMAP-Rule:MF_00782};
DE Short=GS {ECO:0000256|HAMAP-Rule:MF_00782};
DE Short=GSH-S {ECO:0000256|HAMAP-Rule:MF_00782};
DE Short=GSHase {ECO:0000256|HAMAP-Rule:MF_00782};
DE AltName: Full=Glutathione synthase {ECO:0000256|HAMAP-Rule:MF_00782};
GN Name=gshAB {ECO:0000256|HAMAP-Rule:MF_00782};
GN Synonyms=gshF {ECO:0000256|HAMAP-Rule:MF_00782};
GN ORFNames=SAMN02910293_00772 {ECO:0000313|EMBL:SDB15474.1};
OS Streptococcus henryi.
OC Bacteria; Bacillota; Bacilli; Lactobacillales; Streptococcaceae;
OC Streptococcus.
OX NCBI_TaxID=439219 {ECO:0000313|EMBL:SDB15474.1, ECO:0000313|Proteomes:UP000182508};
RN [1] {ECO:0000313|EMBL:SDB15474.1, ECO:0000313|Proteomes:UP000182508}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=A-4 {ECO:0000313|EMBL:SDB15474.1,
RC ECO:0000313|Proteomes:UP000182508};
RA de Groot N.N.;
RL Submitted (OCT-2016) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: Synthesizes glutathione from L-glutamate and L-cysteine via
CC gamma-L-glutamyl-L-cysteine. {ECO:0000256|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:0000256|ARBA:ARBA00029283, ECO:0000256|HAMAP-
CC 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:0000256|HAMAP-
CC Rule:MF_00782};
CC -!- COFACTOR:
CC Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC Evidence={ECO:0000256|ARBA:ARBA00001946};
CC -!- COFACTOR:
CC Name=Mn(2+); Xref=ChEBI:CHEBI:29035;
CC Evidence={ECO:0000256|ARBA:ARBA00001936};
CC -!- PATHWAY: Sulfur metabolism; glutathione biosynthesis; glutathione from
CC L-cysteine and L-glutamate: step 1/2. {ECO:0000256|ARBA:ARBA00005006,
CC ECO:0000256|HAMAP-Rule:MF_00782}.
CC -!- PATHWAY: Sulfur metabolism; glutathione biosynthesis; glutathione from
CC L-cysteine and L-glutamate: step 2/2. {ECO:0000256|HAMAP-
CC Rule:MF_00782}.
CC -!- SUBUNIT: Monomer. {ECO:0000256|HAMAP-Rule:MF_00782}.
CC -!- SIMILARITY: In the N-terminal section; belongs to the
CC glutamate--cysteine ligase type 1 family. Type 2 subfamily.
CC {ECO:0000256|HAMAP-Rule:MF_00782}.
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DR EMBL; FMXP01000009; SDB15474.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A1G6B488; -.
DR STRING; 439219.SAMN02910293_00772; -.
DR eggNOG; COG1181; Bacteria.
DR eggNOG; COG2918; Bacteria.
DR UniPathway; UPA00142; UER00209.
DR Proteomes; UP000182508; Unassembled WGS sequence.
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; 3.30.590.20; -; 1.
DR Gene3D; 3.30.470.20; ATP-grasp fold, B domain; 2.
DR HAMAP; MF_00782; Glut_biosynth; 1.
DR InterPro; IPR011761; ATP-grasp.
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 NCBIfam; TIGR01435; glu_cys_lig_rel; 1.
DR PANTHER; PTHR38761; GLUTAMATE--CYSTEINE LIGASE; 1.
DR PANTHER; PTHR38761:SF1; GLUTAMATE--CYSTEINE LIGASE; 1.
DR Pfam; PF18419; ATP-grasp_6; 1.
DR Pfam; PF04262; Glu_cys_ligase; 2.
DR SUPFAM; SSF55931; Glutamine synthetase/guanido kinase; 1.
DR SUPFAM; SSF56059; Glutathione synthetase ATP-binding domain-like; 1.
DR PROSITE; PS50975; ATP_GRASP; 1.
PE 3: Inferred from homology;
KW ATP-binding {ECO:0000256|HAMAP-Rule:MF_00782, ECO:0000256|PROSITE-
KW ProRule:PRU00409};
KW Glutathione biosynthesis {ECO:0000256|ARBA:ARBA00022684, ECO:0000256|HAMAP-
KW Rule:MF_00782};
KW Ligase {ECO:0000256|ARBA:ARBA00022598, ECO:0000256|HAMAP-Rule:MF_00782};
KW Magnesium {ECO:0000256|ARBA:ARBA00022842};
KW Manganese {ECO:0000256|ARBA:ARBA00023211};
KW Metal-binding {ECO:0000256|ARBA:ARBA00022723};
KW Multifunctional enzyme {ECO:0000256|ARBA:ARBA00023268, ECO:0000256|HAMAP-
KW Rule:MF_00782};
KW Nucleotide-binding {ECO:0000256|HAMAP-Rule:MF_00782, ECO:0000256|PROSITE-
KW ProRule:PRU00409}; Reference proteome {ECO:0000313|Proteomes:UP000182508}.
FT DOMAIN 489..747
FT /note="ATP-grasp"
FT /evidence="ECO:0000259|PROSITE:PS50975"
FT REGION 1..333
FT /note="Glutamate--cysteine ligase"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00782"
SQ SEQUENCE 751 AA; 84737 MW; 40BA49200A572894 CRC64;
MTLNQLLQNA PKNLPILQAT FGLERESLRI NKSTHKVAQT PHPKVLGNRS FHPYIQTDYS
EPQLELITPV ASSTSEALRF LGAITDVAGR SISKDEYLWP LSMPPRITEN EIGIAKLDSQ
YERNYRKHLA ETYGKLLQSM SGIHYNMELG KDLVQSLYQQ SGYRSMVDFR NDLHLKLAQN
FLRFRWLLTF LYGASPIAEQ GFLETPLTKP VRSLRNSSYG YVNHDEVRIS YDSLEHYISD
IEACVSDGRL IAEKEFYSPV RLRGSKRNRD YLTNGVTYLE FRCFDLNPFD NKGITQETVD
TVHLFALSLL WLDSSSAIDQ EIAKAQKLND AIALAHPLDK LPDEAPVKDI LDAMQAVINH
FDLPNYYQNL VDKIVEQIAQ PNLTLSGQLV DYLEDLSLEN FGQEKGQGYQ DYAWQAHYAL
KGYETMELST QMLLFDVIQK GLNFEIMDES DQFLKIWHGN HIEYVKNANM TARDNYVIPL
AMENKIVTKK ILSEAGFPVP AGSEFDNKDA ALRYFSQIKD KPIVVKPKST NFGLGISIFK
DSVSLEDYEK ALDIAFSEDN SVLVEVFIAG TEYRFFVLDG VCEAVLLRVA ANVVGDGKHS
IRQLVAIKNS NPLRGRDHRS PLEIIDLGDI ELLMLQQQGY SPDDILPDGI KVNLRENSNI
STGGDSIDVT SSMDASFKQL AADMAKTMGA WACGVDLIIP DKNHISSKEN PGATCIELNF
NPCMYMHTYC QEGEGQALTI KVLEKLFPEI V
//
