ID A0A2T8HYH8_9RHOB Unreviewed; 456 AA.
AC A0A2T8HYH8;
DT 18-JUL-2018, integrated into UniProtKB/TrEMBL.
DT 18-JUL-2018, sequence version 1.
DT 24-JAN-2024, entry version 23.
DE RecName: Full=Glutamate--cysteine ligase {ECO:0000256|PIRNR:PIRNR017901};
DE EC=6.3.2.2 {ECO:0000256|PIRNR:PIRNR017901};
GN ORFNames=DDE20_02830 {ECO:0000313|EMBL:PVH30488.1};
OS Pararhodobacter oceanensis.
OC Bacteria; Pseudomonadota; Alphaproteobacteria; Rhodobacterales;
OC Paracoccaceae; Pararhodobacter.
OX NCBI_TaxID=2172121 {ECO:0000313|EMBL:PVH30488.1, ECO:0000313|Proteomes:UP000245911};
RN [1] {ECO:0000313|EMBL:PVH30488.1, ECO:0000313|Proteomes:UP000245911}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=AM505 {ECO:0000313|EMBL:PVH30488.1,
RC ECO:0000313|Proteomes:UP000245911};
RA Wang X.-L., Du Z.-J.;
RT "Pararhodobacter oceanense sp. nov., isolated from marine intertidal
RT sediment.";
RL Submitted (APR-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:PVH30488.1}.
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DR EMBL; QDKM01000001; PVH30488.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A2T8HYH8; -.
DR OrthoDB; 9780152at2; -.
DR Proteomes; UP000245911; 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:PVH30488.1};
KW Nucleotide-binding {ECO:0000256|PIRNR:PIRNR017901};
KW Plastid {ECO:0000256|ARBA:ARBA00022640};
KW Reference proteome {ECO:0000313|Proteomes:UP000245911};
KW Transit peptide {ECO:0000256|ARBA:ARBA00022946}.
FT DISULFID 112..332
FT /evidence="ECO:0000256|PIRSR:PIRSR017901-50"
SQ SEQUENCE 456 AA; 51048 MW; B6043B0A8BBC1833 CRC64;
MSIPQSGGGP IENRDQLVEY LSIGSKPVED WRIGTEHEKF GYCKDTQVPL PYEGERSILA
VLEGLRDRYN WDPVLEAGKL IGLTRDGANV SLEPGGQLEL SGAPLETIHQ TCDEVNEHLR
EVKSIADEVG VGFIGLGAAP IWSHDDMPLM PKGRYKLMDG YMQKVGTHGR QMMRRTCTVQ
VNLDFGSEAD MVKKLRVALA LQPVATALFA NSPFFENKVN GHKSWRSRVW RDLDPARTGT
LPFVFDQGFG FEQYVDYALD VPMYFVYRDG KYIDALGQSF RDFLQGKLPA LPGEIPTLSD
WADHLTTIFP EARLKQFIEM RGADGGQWRR LCALPGLWVG LLYDQSALDA AWDLAKDWDL
ETRDEMRVAA SVDGLAARTN GIYMRELANE VLNIADAGLR ARARPGSGGL VPDETHFLNA
LRDSIETGQT PADELLEHYH GDWNGDISRV YDEYSY
//
