ID   GCS2_ECOSM              Reviewed;         372 AA.
AC   B1LKH2;
DT   14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT   29-APR-2008, sequence version 1.
DT   25-MAY-2022, entry version 70.
DE   RecName: Full=Putative glutamate--cysteine ligase 2 {ECO:0000255|HAMAP-Rule:MF_01609};
DE            EC=6.3.2.2 {ECO:0000255|HAMAP-Rule:MF_01609};
DE   AltName: Full=Gamma-glutamylcysteine synthetase 2 {ECO:0000255|HAMAP-Rule:MF_01609};
DE            Short=GCS 2 {ECO:0000255|HAMAP-Rule:MF_01609};
DE            Short=Gamma-GCS 2 {ECO:0000255|HAMAP-Rule:MF_01609};
GN   Name=ybdK; OrderedLocusNames=EcSMS35_0599;
OS   Escherichia coli (strain SMS-3-5 / SECEC).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC   Enterobacteriaceae; Escherichia.
OX   NCBI_TaxID=439855;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=SMS-3-5 / SECEC;
RX   PubMed=18708504; DOI=10.1128/jb.00661-08;
RA   Fricke W.F., Wright M.S., Lindell A.H., Harkins D.M., Baker-Austin C.,
RA   Ravel J., Stepanauskas R.;
RT   "Insights into the environmental resistance gene pool from the genome
RT   sequence of the multidrug-resistant environmental isolate Escherichia coli
RT   SMS-3-5.";
RL   J. Bacteriol. 190:6779-6794(2008).
CC   -!- FUNCTION: ATP-dependent carboxylate-amine ligase which exhibits weak
CC       glutamate--cysteine ligase activity. {ECO:0000255|HAMAP-Rule:MF_01609}.
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:0000255|HAMAP-Rule:MF_01609};
CC   -!- SUBUNIT: Homodimer. {ECO:0000255|HAMAP-Rule:MF_01609}.
CC   -!- SIMILARITY: Belongs to the glutamate--cysteine ligase type 2 family.
CC       YbdK subfamily. {ECO:0000255|HAMAP-Rule:MF_01609}.
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DR   EMBL; CP000970; ACB19746.1; -; Genomic_DNA.
DR   RefSeq; WP_001130634.1; NC_010498.1.
DR   AlphaFoldDB; B1LKH2; -.
DR   SMR; B1LKH2; -.
DR   EnsemblBacteria; ACB19746; ACB19746; EcSMS35_0599.
DR   KEGG; ecm:EcSMS35_0599; -.
DR   HOGENOM; CLU_044848_1_1_6; -.
DR   OMA; LIFGLHV; -.
DR   Proteomes; UP000007011; Chromosome.
DR   GO; GO:0005524; F:ATP binding; IEA:UniProtKB-KW.
DR   GO; GO:0004357; F:glutamate-cysteine ligase activity; IEA:UniProtKB-EC.
DR   GO; GO:0042398; P:cellular modified amino acid biosynthetic process; IEA:InterPro.
DR   HAMAP; MF_01609; Glu_cys_ligase_2; 1.
DR   InterPro; IPR006336; GCS2.
DR   InterPro; IPR014746; Gln_synth/guanido_kin_cat_dom.
DR   InterPro; IPR011793; YbdK.
DR   Pfam; PF04107; GCS2; 1.
DR   SUPFAM; SSF55931; SSF55931; 1.
DR   TIGRFAMs; TIGR02050; gshA_cyan_rel; 1.
PE   3: Inferred from homology;
KW   ATP-binding; Ligase; Nucleotide-binding.
FT   CHAIN           1..372
FT                   /note="Putative glutamate--cysteine ligase 2"
FT                   /id="PRO_1000148219"
SQ   SEQUENCE   372 AA;  41577 MW;  9F9C9A2DF409463A CRC64;
     MPLPDFHVSE PFTLGIELEM QVVNPPGYDL SQDSSMLIDA VKNKITAGEV KHDITESMLE
     LATDVCRDIN QAAGQFSAMQ KVVLQAAADH HLEICGGGTH PFQKWQRQEV CDNERYQRTL
     ENFGYLIQQA TVFGQHVHVG CASGDDAIYL LHGLSRFVPH FIALSAASPY MQGTDTRFAS
     SRPNIFSAFP DNGPMPWVSN WQQFEALFRC LSYTTMIDSI KDLHWDIRPS PHFGTVEVRV
     MDTPLTLSHA VNMAGLIQAT AHWLLTERPF KHQEKDYLLY KFNRFQACRY GLAGVITDPH
     TGDRRPLTED TLRLLEKIAP SANKIGASSA IEALHRQVVS GLNEAQLMRD FVADGGSLIG
     LVKKHCEIWA GD