ID A0A495RPU0_SPHMI Unreviewed; 457 AA.
AC A0A495RPU0;
DT 05-JUN-2019, integrated into UniProtKB/TrEMBL.
DT 05-JUN-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=DFR51_2380 {ECO:0000313|EMBL:RKS89166.1};
OS Sphingosinicella microcystinivorans.
OC Bacteria; Pseudomonadota; Alphaproteobacteria; Sphingomonadales;
OC Sphingosinicellaceae; Sphingosinicella.
OX NCBI_TaxID=335406 {ECO:0000313|EMBL:RKS89166.1, ECO:0000313|Proteomes:UP000276029};
RN [1] {ECO:0000313|EMBL:RKS89166.1, ECO:0000313|Proteomes:UP000276029}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DSM 19791 {ECO:0000313|EMBL:RKS89166.1,
RC ECO:0000313|Proteomes:UP000276029};
RA Goeker M.;
RT "Genomic Encyclopedia of Type Strains, Phase IV (KMG-IV): sequencing the
RT most valuable type-strain genomes for metagenomic binning, comparative
RT biology and taxonomic classification.";
RL Submitted (OCT-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:RKS89166.1}.
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DR EMBL; RBWX01000008; RKS89166.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A495RPU0; -.
DR OrthoDB; 9780152at2; -.
DR Proteomes; UP000276029; 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:RKS89166.1};
KW Nucleotide-binding {ECO:0000256|PIRNR:PIRNR017901};
KW Plastid {ECO:0000256|ARBA:ARBA00022640};
KW Transit peptide {ECO:0000256|ARBA:ARBA00022946}.
FT DISULFID 114..334
FT /evidence="ECO:0000256|PIRSR:PIRSR017901-50"
SQ SEQUENCE 457 AA; 51184 MW; 68ECFF2048E420AA CRC64;
MSTRKAGEGD ALPIESKDDL LSVFERGSKP AERWRIGTEH EKFVYRTTDH RAPSYDEQGG
IRDLLMAMTR FGWEPVEENG YVIALAGDDG NVSLEPAGQF ELSGAPLENL HQTCAETGRH
LKQVQEVGKE LGLGFLGLGM WPDKRRDELP IMPKGRYNIM LRHMPRVGSL GLDMMLRTCT
IQTNLDYASE ADMVKKFRVS LALQPLATAL FANSPFTEGK PNGFLSYRSH IWTDTDAART
GMLPFVFEDG FGFERWADYI LDVPMYFAVR GGKYVDLAGQ DFRAFMDGKL TALPGERATL
GDWNDHISTA FPEVRLKSYL EMRGADGGPW NRICALPAFW VGLLYDDIAL DAAWDAVKHW
TIADHRRIRE EVPKLGLQAK GPRGRTFQQL GKEVLAIAEA GLTRRARLNS SGDSEAIFLA
PLFEIVESGK TPAERLLEAY HGRWAGDLSR IYAEESF
//
