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Database: UniProt
Entry: TDH_SHIDS
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ID   TDH_SHIDS               Reviewed;         341 AA.
AC   Q329N8;
DT   15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT   06-DEC-2005, sequence version 1.
DT   13-SEP-2023, entry version 116.
DE   RecName: Full=L-threonine 3-dehydrogenase {ECO:0000255|HAMAP-Rule:MF_00627};
DE            Short=TDH {ECO:0000255|HAMAP-Rule:MF_00627};
DE            EC=1.1.1.103 {ECO:0000255|HAMAP-Rule:MF_00627};
GN   Name=tdh {ECO:0000255|HAMAP-Rule:MF_00627}; OrderedLocusNames=SDY_4049;
OS   Shigella dysenteriae serotype 1 (strain Sd197).
OC   Bacteria; Pseudomonadota; Gammaproteobacteria; Enterobacterales;
OC   Enterobacteriaceae; Shigella.
OX   NCBI_TaxID=300267;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=Sd197;
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   -!- FUNCTION: Catalyzes the NAD(+)-dependent oxidation of L-threonine to 2-
CC       amino-3-ketobutyrate. {ECO:0000255|HAMAP-Rule:MF_00627}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=L-threonine + NAD(+) = (2S)-2-amino-3-oxobutanoate + H(+) +
CC         NADH; Xref=Rhea:RHEA:13161, ChEBI:CHEBI:15378, ChEBI:CHEBI:57540,
CC         ChEBI:CHEBI:57926, ChEBI:CHEBI:57945, ChEBI:CHEBI:78948;
CC         EC=1.1.1.103; Evidence={ECO:0000255|HAMAP-Rule:MF_00627};
CC   -!- COFACTOR:
CC       Name=Zn(2+); Xref=ChEBI:CHEBI:29105;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00627};
CC       Note=Binds 2 Zn(2+) ions per subunit. {ECO:0000255|HAMAP-
CC       Rule:MF_00627};
CC   -!- PATHWAY: Amino-acid degradation; L-threonine degradation via oxydo-
CC       reductase pathway; glycine from L-threonine: step 1/2.
CC       {ECO:0000255|HAMAP-Rule:MF_00627}.
CC   -!- SUBUNIT: Homotetramer. {ECO:0000255|HAMAP-Rule:MF_00627}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_00627}.
CC   -!- SIMILARITY: Belongs to the zinc-containing alcohol dehydrogenase
CC       family. {ECO:0000255|HAMAP-Rule:MF_00627}.
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DR   EMBL; CP000034; ABB63967.1; -; Genomic_DNA.
DR   RefSeq; WP_000646020.1; NC_007606.1.
DR   RefSeq; YP_405458.1; NC_007606.1.
DR   AlphaFoldDB; Q329N8; -.
DR   SMR; Q329N8; -.
DR   STRING; 300267.SDY_4049; -.
DR   EnsemblBacteria; ABB63967; ABB63967; SDY_4049.
DR   KEGG; sdy:SDY_4049; -.
DR   PATRIC; fig|300267.13.peg.4765; -.
DR   HOGENOM; CLU_026673_11_0_6; -.
DR   OMA; LKGVFHN; -.
DR   UniPathway; UPA00046; UER00505.
DR   Proteomes; UP000002716; Chromosome.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0008743; F:L-threonine 3-dehydrogenase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0008270; F:zinc ion binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0019518; P:L-threonine catabolic process to glycine; IEA:UniProtKB-UniPathway.
DR   Gene3D; 3.90.180.10; Medium-chain alcohol dehydrogenases, catalytic domain; 1.
DR   Gene3D; 3.40.50.720; NAD(P)-binding Rossmann-like Domain; 1.
DR   HAMAP; MF_00627; Thr_dehydrog; 1.
DR   InterPro; IPR013149; ADH-like_C.
DR   InterPro; IPR013154; ADH-like_N.
DR   InterPro; IPR002328; ADH_Zn_CS.
DR   InterPro; IPR011032; GroES-like_sf.
DR   InterPro; IPR004627; L-Threonine_3-DHase.
DR   InterPro; IPR036291; NAD(P)-bd_dom_sf.
DR   InterPro; IPR020843; PKS_ER.
DR   NCBIfam; TIGR00692; tdh; 1.
DR   PANTHER; PTHR43401; L-THREONINE 3-DEHYDROGENASE; 1.
DR   PANTHER; PTHR43401:SF2; L-THREONINE 3-DEHYDROGENASE; 1.
DR   Pfam; PF08240; ADH_N; 1.
DR   Pfam; PF00107; ADH_zinc_N; 1.
DR   SMART; SM00829; PKS_ER; 1.
DR   SUPFAM; SSF50129; GroES-like; 1.
DR   SUPFAM; SSF51735; NAD(P)-binding Rossmann-fold domains; 1.
DR   PROSITE; PS00059; ADH_ZINC; 1.
PE   3: Inferred from homology;
KW   Cytoplasm; Metal-binding; NAD; Oxidoreductase; Reference proteome; Zinc.
FT   CHAIN           1..341
FT                   /note="L-threonine 3-dehydrogenase"
FT                   /id="PRO_1000051662"
FT   ACT_SITE        40
FT                   /note="Charge relay system"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00627"
FT   ACT_SITE        43
FT                   /note="Charge relay system"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00627"
FT   BINDING         38
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /ligand_label="1"
FT                   /ligand_note="catalytic"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00627"
FT   BINDING         63
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /ligand_label="1"
FT                   /ligand_note="catalytic"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00627"
FT   BINDING         64
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /ligand_label="1"
FT                   /ligand_note="catalytic"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00627"
FT   BINDING         93
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /ligand_label="2"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00627"
FT   BINDING         96
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /ligand_label="2"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00627"
FT   BINDING         99
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /ligand_label="2"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00627"
FT   BINDING         107
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /ligand_label="2"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00627"
FT   BINDING         175
FT                   /ligand="NAD(+)"
FT                   /ligand_id="ChEBI:CHEBI:57540"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00627"
FT   BINDING         195
FT                   /ligand="NAD(+)"
FT                   /ligand_id="ChEBI:CHEBI:57540"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00627"
FT   BINDING         200
FT                   /ligand="NAD(+)"
FT                   /ligand_id="ChEBI:CHEBI:57540"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00627"
FT   BINDING         262..264
FT                   /ligand="NAD(+)"
FT                   /ligand_id="ChEBI:CHEBI:57540"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00627"
FT   BINDING         286..287
FT                   /ligand="NAD(+)"
FT                   /ligand_id="ChEBI:CHEBI:57540"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00627"
FT   SITE            148
FT                   /note="Important for catalytic activity for the proton
FT                   relay mechanism but does not participate directly in the
FT                   coordination of zinc atom"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00627"
SQ   SEQUENCE   341 AA;  37169 MW;  354556FFA47BEDAE CRC64;
     MKALSKLKAE EGIWMTDVPV PELGHNDLLI KIRKTAICGT DVHIYNWDEW SQKTIPVPMV
     VGHEYVGEVV GIGQEVKGFK IGDRVSGEGH ITCGHCRNCR GGRTHLCRNT IGVGVNRPGC
     FAEYLVIPAF NAFKIPGNIS DDLASIFDPF GNAVHTALSF DLVGEDVLVS GAGPIGIMAA
     AVAKHVGARN VVITDVNEYR LELARKMGIT RAANVAKENL NDVMAELGMT EGFDVGLEMS
     GAPPAFRTML DTMNHGGRIA MLGIPPSDMS IDWTKVIFKG LFIKGIYGRE MFETWYKMAA
     LIQSGLDLSP IITHRFSIDD FQKGFDAMRS GQSGKVILSW D
//
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