ID A0A3R8TLK3_9CAUL Unreviewed; 453 AA.
AC A0A3R8TLK3;
DT 10-APR-2019, integrated into UniProtKB/TrEMBL.
DT 10-APR-2019, sequence version 1.
DT 24-JAN-2024, entry version 16.
DE RecName: Full=Glutamate--cysteine ligase {ECO:0000256|PIRNR:PIRNR017901};
DE EC=6.3.2.2 {ECO:0000256|PIRNR:PIRNR017901};
GN ORFNames=EIK80_00525 {ECO:0000313|EMBL:RRN65806.1};
OS Caulobacter sp. 602-1.
OC Bacteria; Pseudomonadota; Alphaproteobacteria; Caulobacterales;
OC Caulobacteraceae; Caulobacter.
OX NCBI_TaxID=2492472 {ECO:0000313|EMBL:RRN65806.1, ECO:0000313|Proteomes:UP000268773};
RN [1] {ECO:0000313|EMBL:RRN65806.1, ECO:0000313|Proteomes:UP000268773}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=602-1 {ECO:0000313|EMBL:RRN65806.1,
RC ECO:0000313|Proteomes:UP000268773};
RA Gao J., Sun J.;
RT "The genome of Caulobacter sp 602-1.";
RL Submitted (NOV-2018) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: Catalyzes the synthesis of gamma-glutamylcysteine (gamma-GC).
CC {ECO:0000256|PIRNR:PIRNR017901}.
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|PIRNR:PIRNR017901};
CC -!- PATHWAY: Sulfur metabolism; glutathione biosynthesis; glutathione from
CC L-cysteine and L-glutamate: step 1/2. {ECO:0000256|ARBA:ARBA00005006}.
CC -!- SUBUNIT: Homodimer or monomer when oxidized or reduced, respectively.
CC {ECO:0000256|ARBA:ARBA00011153}.
CC -!- SUBCELLULAR LOCATION: Plastid, chloroplast
CC {ECO:0000256|ARBA:ARBA00004229}.
CC -!- SIMILARITY: Belongs to the carboxylate-amine ligase family.
CC Glutamate--cysteine ligase type 2 subfamily.
CC {ECO:0000256|ARBA:ARBA00010253}.
CC -!- SIMILARITY: Belongs to the glutamate--cysteine ligase type 2 family.
CC EgtA subfamily. {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:RRN65806.1}.
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DR EMBL; RRYI01000001; RRN65806.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A3R8TLK3; -.
DR OrthoDB; 9780152at2; -.
DR Proteomes; UP000268773; 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:0042398; P:cellular modified amino acid biosynthetic process; IEA:InterPro.
DR GO; GO:0006750; P:glutathione biosynthetic process; IEA:UniProtKB-UniRule.
DR Gene3D; 3.30.590.20; -; 1.
DR InterPro; IPR035434; GCL_bact_plant.
DR InterPro; IPR006336; GCS2.
DR InterPro; IPR014746; Gln_synth/guanido_kin_cat_dom.
DR InterPro; IPR011556; Glut_cys_lig_pln_type.
DR NCBIfam; TIGR01436; glu_cys_lig_pln; 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|PIRNR:PIRNR017901};
KW Chloroplast {ECO:0000256|ARBA:ARBA00022528};
KW Disulfide bond {ECO:0000256|ARBA:ARBA00023157,
KW ECO:0000256|PIRSR:PIRSR017901-50};
KW Glutathione biosynthesis {ECO:0000256|ARBA:ARBA00022684};
KW Ligase {ECO:0000256|PIRNR:PIRNR017901, ECO:0000313|EMBL:RRN65806.1};
KW Nucleotide-binding {ECO:0000256|PIRNR:PIRNR017901};
KW Plastid {ECO:0000256|ARBA:ARBA00022640};
KW Transit peptide {ECO:0000256|ARBA:ARBA00022946}.
FT DISULFID 111..331
FT /evidence="ECO:0000256|PIRSR:PIRSR017901-50"
SQ SEQUENCE 453 AA; 50052 MW; 976CB204586FE415 CRC64;
MADTANVQER QLTLADLTEY FAQGSKPKER FRVGAEHEKF GFYLGSHAPV PYEGDKGVHA
LLTGLQRFGW KPVMEGEVVI GLERNGANVS LEPGGQFELS GAPLATMHDI CDETGQHLDE
VKTVADELGL GFVGLGFSPL WTREQVPVMP KGRYVIMRNY MPKVGNLGLD MMLRTCTVQA
NLDFSSEADM VAKFRMSLAL QPIATALFAN SPFTEGKPNG FLSARANVWT DTDPNRTGLL
DFVFEDGFDF ERYARYALDV PMYFVKRGDK YIDVAGRSFR DFIEGKLPEL PGEIATMKDW
ADHTTTAFPE VRLKTYLEMR GADAGPWSRL CALPALWTGV FYDDAALAAA WDLCKDWTLE
DREGLRRDVP KLGLKATVAG RSAQDVAKDF VAIAKSGLKN RANLNGGFLD ETIYLGELEQ
IADSGVTPAE KLLSLYNGAW GGDISRVFTD CAY
//
