ID B2UMC7_AKKM8 Unreviewed; 345 AA.
AC B2UMC7;
DT 01-JUL-2008, integrated into UniProtKB/TrEMBL.
DT 01-JUL-2008, sequence version 1.
DT 27-MAR-2024, entry version 102.
DE RecName: Full=L-threonine 3-dehydrogenase {ECO:0000256|HAMAP-Rule:MF_00627};
DE Short=TDH {ECO:0000256|HAMAP-Rule:MF_00627};
DE EC=1.1.1.103 {ECO:0000256|HAMAP-Rule:MF_00627};
GN Name=tdh {ECO:0000256|HAMAP-Rule:MF_00627};
GN OrderedLocusNames=Amuc_0233 {ECO:0000313|EMBL:ACD04076.1};
OS Akkermansia muciniphila (strain ATCC BAA-835 / DSM 22959 / JCM 33894 / BCRC
OS 81048 / CCUG 64013 / CIP 107961 / Muc).
OC Bacteria; Verrucomicrobiota; Verrucomicrobiae; Verrucomicrobiales;
OC Akkermansiaceae; Akkermansia.
OX NCBI_TaxID=349741 {ECO:0000313|EMBL:ACD04076.1, ECO:0000313|Proteomes:UP000001031};
RN [1] {ECO:0000313|Proteomes:UP000001031}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC BAA-835 / DSM 22959 / JCM 33894 / BCRC 81048 / CCUG 64013
RC / CIP 107961 / Muc {ECO:0000313|Proteomes:UP000001031};
RX PubMed=21390229; DOI=10.1371/journal.pone.0016876;
RA van Passel M.W., Kant R., Zoetendal E.G., Plugge C.M., Derrien M.,
RA Malfatti S.A., Chain P.S., Woyke T., Palva A., de Vos W.M., Smidt H.;
RT "The genome of Akkermansia muciniphila, a dedicated intestinal mucin
RT degrader, and its use in exploring intestinal metagenomes.";
RL PLoS ONE 6:E16876-E16876(2011).
CC -!- FUNCTION: Catalyzes the NAD(+)-dependent oxidation of L-threonine to 2-
CC amino-3-ketobutyrate. {ECO:0000256|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:0000256|HAMAP-Rule:MF_00627};
CC -!- COFACTOR:
CC Name=Zn(2+); Xref=ChEBI:CHEBI:29105;
CC Evidence={ECO:0000256|HAMAP-Rule:MF_00627};
CC Note=Binds 2 Zn(2+) ions per subunit. {ECO:0000256|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:0000256|HAMAP-Rule:MF_00627}.
CC -!- SUBUNIT: Homotetramer. {ECO:0000256|HAMAP-Rule:MF_00627}.
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000256|HAMAP-Rule:MF_00627}.
CC -!- SIMILARITY: Belongs to the zinc-containing alcohol dehydrogenase
CC family. {ECO:0000256|HAMAP-Rule:MF_00627}.
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DR EMBL; CP001071; ACD04076.1; -; Genomic_DNA.
DR AlphaFoldDB; B2UMC7; -.
DR SMR; B2UMC7; -.
DR STRING; 349741.Amuc_0233; -.
DR PaxDb; 349741-Amuc_0233; -.
DR KEGG; amu:Amuc_0233; -.
DR eggNOG; COG1063; Bacteria.
DR HOGENOM; CLU_026673_11_0_0; -.
DR BioCyc; AMUC349741:G1GBX-261-MONOMER; -.
DR UniPathway; UPA00046; UER00505.
DR Proteomes; UP000001031; 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 {ECO:0000256|ARBA:ARBA00022490, ECO:0000256|HAMAP-Rule:MF_00627};
KW Metal-binding {ECO:0000256|ARBA:ARBA00022723, ECO:0000256|HAMAP-
KW Rule:MF_00627};
KW NAD {ECO:0000256|ARBA:ARBA00023027, ECO:0000256|HAMAP-Rule:MF_00627};
KW Oxidoreductase {ECO:0000256|ARBA:ARBA00023002, ECO:0000256|HAMAP-
KW Rule:MF_00627}; Reference proteome {ECO:0000313|Proteomes:UP000001031};
KW Zinc {ECO:0000256|ARBA:ARBA00022833, ECO:0000256|HAMAP-Rule:MF_00627}.
FT DOMAIN 13..341
FT /note="Enoyl reductase (ER)"
FT /evidence="ECO:0000259|SMART:SM00829"
FT ACT_SITE 43
FT /note="Charge relay system"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00627"
FT ACT_SITE 46
FT /note="Charge relay system"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00627"
FT BINDING 41
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_label="1"
FT /ligand_note="catalytic"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00627"
FT BINDING 66
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_label="1"
FT /ligand_note="catalytic"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00627"
FT BINDING 67
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_label="1"
FT /ligand_note="catalytic"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00627"
FT BINDING 96
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_label="2"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00627"
FT BINDING 99
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_label="2"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00627"
FT BINDING 102
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_label="2"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00627"
FT BINDING 110
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_label="2"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00627"
FT BINDING 178
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00627"
FT BINDING 198
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00627"
FT BINDING 203
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00627"
FT BINDING 265..267
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00627"
FT BINDING 289..290
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00627"
FT SITE 151
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:0000256|HAMAP-Rule:MF_00627"
SQ SEQUENCE 345 AA; 37543 MW; CA4ED41B7FE919AF CRC64;
MGGMKALVKT QAGPGLELMD VPMPEVGPND VLIKIHKTAI CGTDLHIWNW DKWAQQTIPV
GMHVGHEFCG VIESVGSSVT EYKPGEIVSG EGHIVCGHCR SCRSGQKHLC PNTKGVGVNR
PGCFAEYLSI PQDNVVRIHK SIPMEIASIF DPLGNAVHTA LSWDLVGEDV LITGAGVIGC
MAAAVCKKAG AKTVVITDIN DFRLGLAKTL GADRTVNVTR EKLEDVMKEL EMTEGFDVCL
EMSGAPSCLK DIIDNSRNGA NISLLGIQPD GSSIEWNKFI WKGLKMKGIY GREIFETWHK
MDSMIRSGLN VAPIITHRLP YTEFREGFEA MNSGKSGKVV LDWIV
//
