ID   GCS2_SHIF8              Reviewed;         372 AA.
AC   Q0T746;
DT   12-JUN-2007, integrated into UniProtKB/Swiss-Prot.
DT   05-SEP-2006, sequence version 1.
DT   03-AUG-2022, entry version 77.
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=SFV_0521;
OS   Shigella flexneri serotype 5b (strain 8401).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC   Enterobacteriaceae; Shigella.
OX   NCBI_TaxID=373384;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=8401;
RX   PubMed=16822325; DOI=10.1186/1471-2164-7-173;
RA   Nie H., Yang F., Zhang X., Yang J., Chen L., Wang J., Xiong Z., Peng J.,
RA   Sun L., Dong J., Xue Y., Xu X., Chen S., Yao Z., Shen Y., Jin Q.;
RT   "Complete genome sequence of Shigella flexneri 5b and comparison with
RT   Shigella flexneri 2a.";
RL   BMC Genomics 7:173-173(2006).
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; CP000266; ABF02780.1; -; Genomic_DNA.
DR   RefSeq; WP_001130611.1; NC_008258.1.
DR   AlphaFoldDB; Q0T746; -.
DR   SMR; Q0T746; -.
DR   EnsemblBacteria; ABF02780; ABF02780; SFV_0521.
DR   KEGG; sfv:SFV_0521; -.
DR   HOGENOM; CLU_044848_1_1_6; -.
DR   OMA; LIFGLHV; -.
DR   BioCyc; SFLE373384:SFV_RS02890-MON; -.
DR   Proteomes; UP000000659; 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_0000291516"
SQ   SEQUENCE   372 AA;  41655 MW;  0D4469A072DF4304 CRC64;
     MPLPDFHVSE PFTLGIELEM QVVNPPGYDL NQDSSMLIDA VKNKITAGEV KHDITESMLE
     LATDVCRDIN QAAGQFSAMQ KVVLQAAADH HLEICGGGTP PFQKWQRQEV CDNERYQRTL
     ENFGYLIQQA TVFGQHVHVG CASGDDAIYL LHGLSRFVPH FIALSAASPY MQGTDTRFAP
     SRPNIFSAFP DNGPMPWVSN WQQFEALFRC LSYTTMIDSI KDLHWDIRPS PHFGTVEVRV
     MDTPLTLSHA VNMAGLIQAT AHWLLTERPF KHQEKDYLLY KFNRFQACRY GLEGVITDPH
     TGDRRPLTED TLRLLEKIAP SAHKIGASSA IEALHRQVVS GLNEAQLMRD FVADGGSLIG
     LVKKHCEIWA GD