ID   TTDB_SHIBS              Reviewed;         201 AA.
AC   Q31WX2;
DT   28-NOV-2006, integrated into UniProtKB/Swiss-Prot.
DT   06-DEC-2005, sequence version 1.
DT   25-MAY-2022, entry version 78.
DE   RecName: Full=L(+)-tartrate dehydratase subunit beta;
DE            Short=L-TTD beta;
DE            EC=4.2.1.32;
GN   Name=ttdB; OrderedLocusNames=SBO_2920;
OS   Shigella boydii serotype 4 (strain Sb227).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC   Enterobacteriaceae; Shigella.
OX   NCBI_TaxID=300268;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=Sb227;
RX   PubMed=16275786; DOI=10.1093/nar/gki954;
RA   Yang F., Yang J., Zhang X., Chen L., Jiang Y., Yan Y., Tang X., Wang J.,
RA   Xiong Z., Dong J., Xue Y., Zhu Y., Xu X., Sun L., Chen S., Nie H., Peng J.,
RA   Xu J., Wang Y., Yuan Z., Wen Y., Yao Z., Shen Y., Qiang B., Hou Y., Yu J.,
RA   Jin Q.;
RT   "Genome dynamics and diversity of Shigella species, the etiologic agents of
RT   bacillary dysentery.";
RL   Nucleic Acids Res. 33:6445-6458(2005).
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=(2R,3R)-tartrate = H2O + oxaloacetate; Xref=Rhea:RHEA:15413,
CC         ChEBI:CHEBI:15377, ChEBI:CHEBI:16452, ChEBI:CHEBI:30924; EC=4.2.1.32;
CC   -!- SUBUNIT: Heterotetramer of two alpha and two beta subunits.
CC       {ECO:0000250}.
CC   -!- SIMILARITY: Belongs to the class-I fumarase family. {ECO:0000305}.
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DR   EMBL; CP000036; ABB67436.1; -; Genomic_DNA.
DR   RefSeq; WP_000722955.1; NC_007613.1.
DR   AlphaFoldDB; Q31WX2; -.
DR   SMR; Q31WX2; -.
DR   EnsemblBacteria; ABB67436; ABB67436; SBO_2920.
DR   KEGG; sbo:SBO_2920; -.
DR   HOGENOM; CLU_098588_0_0_6; -.
DR   OMA; IYHCGPL; -.
DR   Proteomes; UP000007067; Chromosome.
DR   GO; GO:0008730; F:L(+)-tartrate dehydratase activity; IEA:UniProtKB-EC.
DR   Gene3D; 3.20.130.10; -; 1.
DR   InterPro; IPR004647; Fe-S_hydro-lyase_TtdB-typ_cat.
DR   InterPro; IPR036660; Fe-S_hydroAse_TtdB_cat_sf.
DR   Pfam; PF05683; Fumerase_C; 1.
DR   SUPFAM; SSF117457; SSF117457; 1.
DR   TIGRFAMs; TIGR00723; ttdB_fumA_fumB; 1.
PE   3: Inferred from homology;
KW   Lyase.
FT   CHAIN           1..201
FT                   /note="L(+)-tartrate dehydratase subunit beta"
FT                   /id="PRO_0000262705"
FT   ACT_SITE        37
FT                   /evidence="ECO:0000255"
SQ   SEQUENCE   201 AA;  22637 MW;  E81321CD0DEDAA19 CRC64;
     MKKILTTPIK AEDLQDIRVG DVIYLTGTLV TCRDVCHRRL IELKRPIPYD LNGKAIFHAG
     PIVRKNGDKW EMVSVGPTTS MRMESFEREF IEQTGVKLVV GKGGMGPLTE EGCQKFKALH
     VIFPAGCAVL AATQVEEIEE VHWTELGMPE SLWVCRGKEF GPLIVSIDTH GNNLIAENKK
     LFAERRDPIV EEICEHVHYI K