ID A0A231PFL6_9ACTN Unreviewed; 342 AA.
AC A0A231PFL6;
DT 25-OCT-2017, integrated into UniProtKB/TrEMBL.
DT 25-OCT-2017, sequence version 1.
DT 27-MAR-2024, entry version 26.
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 ORFNames=CHR28_21120 {ECO:0000313|EMBL:OXS33440.1};
OS Streptomyces sp. XY006.
OC Bacteria; Actinomycetota; Actinomycetes; Kitasatosporales;
OC Streptomycetaceae; Streptomyces.
OX NCBI_TaxID=2021410 {ECO:0000313|EMBL:OXS33440.1, ECO:0000313|Proteomes:UP000215527};
RN [1] {ECO:0000313|EMBL:OXS33440.1, ECO:0000313|Proteomes:UP000215527}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=XY006 {ECO:0000313|EMBL:OXS33440.1,
RC ECO:0000313|Proteomes:UP000215527};
RA Shan W., Liu H., Zhou Y., Yu X.;
RT "Draft Genome Sequence of Streptomyces sp. XY006, an Endophyte Isolated
RT from Tea (Camellia sinensis).";
RL Submitted (JUL-2017) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: Catalyzes the NAD(+)-dependent oxidation of L-threonine to 2-
CC amino-3-ketobutyrate. {ECO:0000256|HAMAP-Rule:MF_00627}.
CC -!- FUNCTION: Catalyzes the oxidation of 2-deoxy-scyllo-inosamine (DOIA)
CC with NAD(+) or NADP(+), forming 3-amino-2,3-dideoxy-scyllo-inosose
CC (amino-DOI). {ECO:0000256|ARBA:ARBA00037678}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=2-deoxy-scyllo-inosamine + NAD(+) = 3-amino-2,3-dideoxy-
CC scyllo-inosose + H(+) + NADH; Xref=Rhea:RHEA:33883,
CC ChEBI:CHEBI:15378, ChEBI:CHEBI:57540, ChEBI:CHEBI:57945,
CC ChEBI:CHEBI:65002, ChEBI:CHEBI:65003; EC=1.1.1.329;
CC Evidence={ECO:0000256|ARBA:ARBA00036792};
CC -!- CATALYTIC ACTIVITY:
CC Reaction=2-deoxy-scyllo-inosamine + NADP(+) = 3-amino-2,3-dideoxy-
CC scyllo-inosose + H(+) + NADPH; Xref=Rhea:RHEA:33879,
CC ChEBI:CHEBI:15378, ChEBI:CHEBI:57783, ChEBI:CHEBI:58349,
CC ChEBI:CHEBI:65002, ChEBI:CHEBI:65003; EC=1.1.1.329;
CC Evidence={ECO:0000256|ARBA:ARBA00036830};
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 -!- PATHWAY: Antibiotic biosynthesis. {ECO:0000256|ARBA:ARBA00004792}.
CC -!- PATHWAY: Metabolic intermediate biosynthesis; 2-deoxystreptamine
CC biosynthesis; 2-deoxystreptamine from D-glucose 6-phosphate: step 3/4.
CC {ECO:0000256|ARBA:ARBA00037908}.
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. DOIA dehydrogenase subfamily. {ECO:0000256|ARBA:ARBA00038004}.
CC -!- CAUTION: The sequence shown here is derived from an EMBL/GenBank/DDBJ
CC whole genome shotgun (WGS) entry which is preliminary data.
CC {ECO:0000313|EMBL:OXS33440.1}.
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DR EMBL; NOKT01000017; OXS33440.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A231PFL6; -.
DR OrthoDB; 241504at2; -.
DR UniPathway; UPA00046; UER00505.
DR Proteomes; UP000215527; Unassembled WGS sequence.
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 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};
KW Zinc {ECO:0000256|ARBA:ARBA00022833, ECO:0000256|HAMAP-Rule:MF_00627}.
FT DOMAIN 12..338
FT /note="Enoyl reductase (ER)"
FT /evidence="ECO:0000259|SMART:SM00829"
FT ACT_SITE 40
FT /note="Charge relay system"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00627"
FT ACT_SITE 43
FT /note="Charge relay system"
FT /evidence="ECO:0000256|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:0000256|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:0000256|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:0000256|HAMAP-Rule:MF_00627"
FT BINDING 93
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_label="2"
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 107
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_label="2"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00627"
FT BINDING 175
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00627"
FT BINDING 195
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00627"
FT BINDING 200
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00627"
FT BINDING 262..264
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00627"
FT BINDING 286..287
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000256|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:0000256|HAMAP-Rule:MF_00627"
SQ SEQUENCE 342 AA; 36338 MW; 20B9091E90E0973A CRC64;
MKALVKQKAE PGLWLADVPE PAIGPGDVLI KVLRTGICGT DLHIRAWDGW AQQAISTPLV
VGHEFVGEVV ETGRDVTDVS VGDRVSGEGH LVCGKCRNCQ AGRRHLCRAT VGLGVGRDGA
FAEYVALPAG NVWVHRVPVD LDVAAIFDPF GNAVHTALSF PLVGEDVLIT GAGPIGLMAA
AVARHAGARN VVITDVSEER LELARKIGVS LALDVSGASI ADGQRTLGLR EGFDIGLEMS
GRPEAMRDMI ANMTHGGRIA MLGLPAQEFP VDWARIVTSM ITIKGIYGRE MFETWYAMSV
LLEGGLDLAP VITGRYGHRD FEAAFEDAAS GRGGKVILDW TA
//
