ID A7IN32_XANP2 Unreviewed; 456 AA.
AC A7IN32;
DT 11-SEP-2007, integrated into UniProtKB/TrEMBL.
DT 11-SEP-2007, sequence version 1.
DT 27-MAR-2024, entry version 74.
DE RecName: Full=Glutamate--cysteine ligase {ECO:0000256|PIRNR:PIRNR017901};
DE EC=6.3.2.2 {ECO:0000256|PIRNR:PIRNR017901};
GN OrderedLocusNames=Xaut_4204 {ECO:0000313|EMBL:ABS69425.1};
OS Xanthobacter autotrophicus (strain ATCC BAA-1158 / Py2).
OC Bacteria; Pseudomonadota; Alphaproteobacteria; Hyphomicrobiales;
OC Xanthobacteraceae; Xanthobacter.
OX NCBI_TaxID=78245 {ECO:0000313|EMBL:ABS69425.1, ECO:0000313|Proteomes:UP000002417};
RN [1] {ECO:0000313|EMBL:ABS69425.1, ECO:0000313|Proteomes:UP000002417}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC BAA-1158 / Py2 {ECO:0000313|Proteomes:UP000002417};
RG US DOE Joint Genome Institute;
RA Copeland A., Lucas S., Lapidus A., Barry K., Glavina del Rio T., Hammon N.,
RA Israni S., Dalin E., Tice H., Pitluck S., Sims D., Brettin T., Bruce D.,
RA Detter J.C., Han C., Tapia R., Brainard J., Schmutz J., Larimer F.,
RA Land M., Hauser L., Kyrpides N., Kim E., Ensigns S.A., Richardson P.;
RT "Complete sequence of chromosome of Xanthobacter autotrophicus Py2.";
RL Submitted (JUL-2007) 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}.
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DR EMBL; CP000781; ABS69425.1; -; Genomic_DNA.
DR AlphaFoldDB; A7IN32; -.
DR STRING; 78245.Xaut_4204; -.
DR KEGG; xau:Xaut_4204; -.
DR eggNOG; COG3572; Bacteria.
DR HOGENOM; CLU_026610_1_0_5; -.
DR OrthoDB; 9780152at2; -.
DR PhylomeDB; A7IN32; -.
DR Proteomes; UP000002417; Chromosome.
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:ABS69425.1};
KW Nucleotide-binding {ECO:0000256|PIRNR:PIRNR017901};
KW Plastid {ECO:0000256|ARBA:ARBA00022640};
KW Reference proteome {ECO:0000313|Proteomes:UP000002417};
KW Transit peptide {ECO:0000256|ARBA:ARBA00022946}.
FT DISULFID 114..334
FT /evidence="ECO:0000256|PIRSR:PIRSR017901-50"
SQ SEQUENCE 456 AA; 50831 MW; 0D9A388B172A7A8E CRC64;
MARDTLDATP IAGRHELVEW MEQGSKPERA FRIGTEHEKI PFTLGRHEPV PYEGPKGIRK
LLEGMRSLLG WEPIMEGPTI IGLADVTGGG AISLEPGGQF ELSGAPVSTI HETCAELNAH
LAQVREVAEP LGIGFLGIGM SPKWTRTETP VMPKGRYKIM AGYMPKVGKL GLDMMFRTCT
VQVNLDFSSE ADMVRKMRVG LALQPVATAL FANSPFTEGK PNGFLSFRSE IWRDTDNARS
GMLPFAFEDG FGFDRYVDYA LDVPMYFVKR GESYVDVSGT SFRDLLAGRH PLLPGETATL
SDWINHLSTI FPEVRLKRFL EMRGADAGPW AKLCALPALW VGLLYDQQSL DAAWDLAKDW
TAEQRQQLRD DVPRLGLKAE IAGRQLRDIA RDVLKLSEAG LKRRGFHDRL GRDETRFLEP
LEEIVLTGRS PADKLLALYN GEWDHSVEPA FQALAY
//
