ID   TTDB_SHISS              Reviewed;         201 AA.
AC   Q3YXI1;
DT   28-NOV-2006, integrated into UniProtKB/Swiss-Prot.
DT   27-SEP-2005, sequence version 1.
DT   25-MAY-2022, entry version 79.
DE   RecName: Full=L(+)-tartrate dehydratase subunit beta;
DE            Short=L-TTD beta;
DE            EC=4.2.1.32;
GN   Name=ttdB; OrderedLocusNames=SSON_3199;
OS   Shigella sonnei (strain Ss046).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC   Enterobacteriaceae; Shigella.
OX   NCBI_TaxID=300269;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=Ss046;
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; CP000038; AAZ89781.1; -; Genomic_DNA.
DR   AlphaFoldDB; Q3YXI1; -.
DR   SMR; Q3YXI1; -.
DR   EnsemblBacteria; AAZ89781; AAZ89781; SSON_3199.
DR   KEGG; ssn:SSON_3199; -.
DR   HOGENOM; CLU_098588_0_0_6; -.
DR   OMA; IYHCGPL; -.
DR   Proteomes; UP000002529; 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_0000262706"
FT   ACT_SITE        37
FT                   /evidence="ECO:0000255"
SQ   SEQUENCE   201 AA;  22737 MW;  7AC2F2CD1AA9F530 CRC64;
     MKKILTTPIK AEDLQDIRVD DVIYLTGTLV TCRDVCHRRL IELKRPIPYD LNGKAIFHAG
     PIVRKNGDKW EMVSVGPTTS MRMESFEREF IEQTGVKLVV GKGGMGPLTE EGCQKFKALH
     VIFPAGCAVL AATQVEEIEE VHWTELGMPE SLWVCRVKEF GPLIVSIDTH GNNLIAENKK
     LFAERRDPIV EEICEHVHYI K