ID A0A370I7S2_9NOCA Unreviewed; 428 AA.
AC A0A370I7S2;
DT 07-NOV-2018, integrated into UniProtKB/TrEMBL.
DT 07-NOV-2018, sequence version 1.
DT 24-JAN-2024, entry version 19.
DE RecName: Full=Glutamate--cysteine ligase EgtA {ECO:0000256|HAMAP-Rule:MF_02034};
DE EC=6.3.2.2 {ECO:0000256|HAMAP-Rule:MF_02034};
DE AltName: Full=Gamma-glutamylcysteine synthase {ECO:0000256|HAMAP-Rule:MF_02034};
DE Short=GCS {ECO:0000256|HAMAP-Rule:MF_02034};
DE Short=Gamma-ECS {ECO:0000256|HAMAP-Rule:MF_02034};
GN Name=egtA {ECO:0000256|HAMAP-Rule:MF_02034};
GN ORFNames=DFR76_104533 {ECO:0000313|EMBL:RDI66782.1};
OS Nocardia pseudobrasiliensis.
OC Bacteria; Actinomycetota; Actinomycetes; Mycobacteriales; Nocardiaceae;
OC Nocardia.
OX NCBI_TaxID=45979 {ECO:0000313|EMBL:RDI66782.1, ECO:0000313|Proteomes:UP000254869};
RN [1] {ECO:0000313|EMBL:RDI66782.1, ECO:0000313|Proteomes:UP000254869}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DSM 44290 {ECO:0000313|EMBL:RDI66782.1,
RC ECO:0000313|Proteomes:UP000254869};
RA Goeker M.;
RT "Genomic Encyclopedia of Type Strains, Phase IV (KMG-IV): sequencing the
RT most valuable type-strain genomes for metagenomic binning, comparative
RT biology and taxonomic classification.";
RL Submitted (JUL-2018) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: Catalyzes the synthesis of gamma-glutamylcysteine (gamma-GC).
CC This compound is used as substrate for the biosynthesis of the low-
CC molecular thiol compound ergothioneine. {ECO:0000256|HAMAP-
CC Rule:MF_02034}.
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_02034, ECO:0000256|PIRNR:PIRNR017901};
CC -!- PATHWAY: Amino-acid biosynthesis; ergothioneine biosynthesis.
CC {ECO:0000256|HAMAP-Rule:MF_02034}.
CC -!- SIMILARITY: Belongs to the glutamate--cysteine ligase type 2 family.
CC EgtA subfamily. {ECO:0000256|HAMAP-Rule:MF_02034,
CC ECO:0000256|PIRNR:PIRNR017901}.
CC -!- CAUTION: The sequence shown here is derived from an EMBL/GenBank/DDBJ
CC whole genome shotgun (WGS) entry which is preliminary data.
CC {ECO:0000313|EMBL:RDI66782.1}.
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DR EMBL; QQBC01000004; RDI66782.1; -; Genomic_DNA.
DR RefSeq; WP_067994463.1; NZ_QQBC01000004.1.
DR AlphaFoldDB; A0A370I7S2; -.
DR STRING; 1210086.GCA_001613105_01729; -.
DR UniPathway; UPA01014; -.
DR Proteomes; UP000254869; 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:0052699; P:ergothioneine biosynthetic process; IEA:UniProtKB-UniRule.
DR GO; GO:0006750; P:glutathione biosynthetic process; IEA:UniProtKB-UniRule.
DR Gene3D; 3.30.590.20; -; 1.
DR HAMAP; MF_02034; EgtA; 1.
DR InterPro; IPR017809; EgtA_Actinobacteria.
DR InterPro; IPR035434; GCL_bact_plant.
DR InterPro; IPR006336; GCS2.
DR InterPro; IPR014746; Gln_synth/guanido_kin_cat_dom.
DR NCBIfam; TIGR03444; EgtA_Cys_ligase; 1.
DR PANTHER; PTHR34378; GLUTAMATE--CYSTEINE LIGASE, CHLOROPLASTIC; 1.
DR PANTHER; PTHR34378:SF1; GLUTAMATE--CYSTEINE LIGASE, CHLOROPLASTIC; 1.
DR Pfam; PF04107; GCS2; 1.
DR PIRSF; PIRSF017901; GCL; 1.
DR SUPFAM; SSF55931; Glutamine synthetase/guanido kinase; 1.
PE 3: Inferred from homology;
KW ATP-binding {ECO:0000256|HAMAP-Rule:MF_02034,
KW ECO:0000256|PIRNR:PIRNR017901};
KW Ligase {ECO:0000256|HAMAP-Rule:MF_02034, ECO:0000256|PIRNR:PIRNR017901};
KW Nucleotide-binding {ECO:0000256|HAMAP-Rule:MF_02034,
KW ECO:0000256|PIRNR:PIRNR017901};
KW Reference proteome {ECO:0000313|Proteomes:UP000254869}.
SQ SEQUENCE 428 AA; 45530 MW; 9931E678CFAE2238 CRC64;
MAVTAVRAPA GTGTDFSSRA AAEAYVGGVC FKQGPPALIG AELEWLTAQD EPSASGSRPS
LAELAGALGS YAPRSIAPDS PALPLPGGSR VTIEPGGQVE LSSAPFGDAA ELCERLRADA
RQLERLLRTR SIRIRAAAAD GDRLAERLLQ LPRYRAMERT FSGIGPFGKL MMCNTAATQV
SVDAGTDRAE VAARWTALYA IGPALIAAFA CSPDLHGAPV GTWASQRMRA WMRLDHARTR
PPVRQWSDPI GDYARWVLDV PLLCVRGSEE VGDWEAPPGA TFADWLCGAL DDEVGRRPDV
ADLDYHLTTV FPPVRASGHL EVRYIDAQPG DGWTVPIHAV DALLSEPAVI AEATRIGAPV
ADEWLEAARC GLAEPEIRSA AVELLTLAAE HARTPAAADE LGAAVRRCID GRMPTGEAAH
HFDDEIES
//
