ID A0A257J2A6_9PROT Unreviewed; 452 AA.
AC A0A257J2A6;
DT 20-DEC-2017, integrated into UniProtKB/TrEMBL.
DT 20-DEC-2017, sequence version 1.
DT 24-JAN-2024, entry version 22.
DE RecName: Full=Glutamate--cysteine ligase {ECO:0000256|PIRNR:PIRNR017901};
DE EC=6.3.2.2 {ECO:0000256|PIRNR:PIRNR017901};
GN ORFNames=CFE28_03570 {ECO:0000313|EMBL:OYU69158.1};
OS Alphaproteobacteria bacterium PA2.
OC Bacteria; Pseudomonadota; Alphaproteobacteria.
OX NCBI_TaxID=2015570 {ECO:0000313|EMBL:OYU69158.1, ECO:0000313|Proteomes:UP000215921};
RN [1] {ECO:0000313|EMBL:OYU69158.1, ECO:0000313|Proteomes:UP000215921}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=PA2 {ECO:0000313|EMBL:OYU69158.1};
RA Kojadinovic M., Villain A., Puppo C., Fon Sing S., Prioretti L., Hubert P.,
RA Gregori G., Zhang Y., Sassi J.-F., Claverie J.-M., Blanc G., Gontero B.;
RT "A metagenomic investigation of the 'star' freshwater diatom Asterionella
RT formosa and its bacterial cohort.";
RL Submitted (JUN-2017) 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:OYU69158.1}.
CC ---------------------------------------------------------------------------
CC Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms
CC Distributed under the Creative Commons Attribution (CC BY 4.0) License
CC ---------------------------------------------------------------------------
DR EMBL; NKIZ01000001; OYU69158.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A257J2A6; -.
DR Proteomes; UP000215921; 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:OYU69158.1};
KW Nucleotide-binding {ECO:0000256|PIRNR:PIRNR017901};
KW Plastid {ECO:0000256|ARBA:ARBA00022640};
KW Reference proteome {ECO:0000313|Proteomes:UP000215921};
KW Transit peptide {ECO:0000256|ARBA:ARBA00022946}.
FT DISULFID 110..330
FT /evidence="ECO:0000256|PIRSR:PIRSR017901-50"
SQ SEQUENCE 452 AA; 50419 MW; 9F1CB644505D553A CRC64;
MAGTEVDDRP LTMQDLLAWF EKGSKPADRW RVGAEHEKFV FRLGSHDTVA YDGPNGIKAL
LEGLKRFGWS GVYEGETIIG LERGMANVSL EPGGQFELSG APLETMHDIC AETGDHLNEV
KTVADELGLG FLGLGFTPNW RRDQIPVMPK GRYKIMREYM PKVGNLGLDM MFRTCTVQAN
LDYGSEADMV AKFRTSLALQ PIGTALFANS PFVEGKPSGF LTKRANIWTD TDPNRTGMLD
FVFRDGFNFE TYAQYLLDVP MYFAKRNDQY VDLSGKSFRQ FMAGTLAEMP GDRATMKDFA
DHSTTAFPEV RLKQYLEMRG SDSGPWSRLC ALPALWTGIF YDSQALAAAW DLCKDWPLED
HERLRADVSR LGMKAQIGGR TVQDIAKDMV AIAKSGLKNR NRLSGGMVDE TGYLAELEEI
SDSGMTPADR LLELYNGPWQ GDVTPVFDAF AY
//
