ID L1KQW5_9ACTN Unreviewed; 424 AA.
AC L1KQW5;
DT 06-MAR-2013, integrated into UniProtKB/TrEMBL.
DT 06-MAR-2013, sequence version 1.
DT 24-JAN-2024, entry version 42.
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=STRIP9103_08761 {ECO:0000313|EMBL:EKX62865.1};
OS Streptomyces ipomoeae 91-03.
OC Bacteria; Actinomycetota; Actinomycetes; Kitasatosporales;
OC Streptomycetaceae; Streptomyces.
OX NCBI_TaxID=698759 {ECO:0000313|EMBL:EKX62865.1, ECO:0000313|Proteomes:UP000010411};
RN [1] {ECO:0000313|EMBL:EKX62865.1, ECO:0000313|Proteomes:UP000010411}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=91-03 {ECO:0000313|EMBL:EKX62865.1,
RC ECO:0000313|Proteomes:UP000010411};
RA Huguet-Tapia J.C., Durkin A.S., Pettis G.S., Badger J.H.;
RL Submitted (NOV-2012) 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:EKX62865.1}.
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DR EMBL; AEJC01000483; EKX62865.1; -; Genomic_DNA.
DR RefSeq; WP_009327219.1; NZ_AEJC01000483.1.
DR AlphaFoldDB; L1KQW5; -.
DR PATRIC; fig|698759.3.peg.6443; -.
DR OrthoDB; 9780152at2; -.
DR UniPathway; UPA01014; -.
DR Proteomes; UP000010411; 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:UP000010411}.
SQ SEQUENCE 424 AA; 46015 MW; 7C72DA8585D2CE96 CRC64;
MSDSLSGCTE QRSAVTEAEA EALVRGICFK TGPPRTLGVE VEWHVHELRD PRLPAPPARL
AAAYAALRTL PLTSALTVEP GGQLEISSAP AASLTECVRS VSADLDAVRA TLREVDLGIS
GFGHDPWNPP TRYLREPRYD AMEVYLDRFG PEGRSMMCSS ASVQVCLDAG YEEPGPLGHE
RRWWLAHQLG AVLMAAFAHS PLARGRVTGW RSTRQALWAA MDPGRTTAPP LDGDPRGAWA
RLVLDAPVMC VRSDDGPWGV PGGMTFREWT RTDVPPSRAD LDYHLTTLFP PVRPRGHIEL
RMIDAQPGED GWIVPLAVTA ALFDDAEAAE IAYRTVKPLA ERSGSLLPPR DPLWITAARS
GLADPELREA AAVCFAAAAE ALPRLGASAE VRKAVVEFTD RYVTRGRCPA DDLLDLFHGK
DIPA
//
