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ENZYME

ENZYME entry: EC 1.1.1.103

Accepted Name
L-threonine 3-dehydrogenase
Alternative Name(s)
TDH
Reaction catalysed
L-threonine + NAD(+) <=> (2S)-2-amino-3-oxobutanoate + H(+) + NADH
Comment(s)
  • Acts in concert with EC 2.3.1.29 in the degradation of threonine to glycine.
  • This threonine-degradation pathway is common to prokaryotic and eukaryotic cells and the two enzymes involved form a complex.
  • In aqueous solution, the product L-2-amino-3-oxobutanoate can spontaneously decarboxylate to form aminoacetone.
Cross-references
BRENDA1.1.1.103
EC2PDB1.1.1.103
ExplorEnz1.1.1.103
PRIAM enzyme-specific profiles1.1.1.103
KEGG Ligand Database for Enzyme Nomenclature1.1.1.103
IUBMB Enzyme Nomenclature1.1.1.103
IntEnz1.1.1.103
MEDLINEFind literature relating to 1.1.1.103
MetaCyc1.1.1.103
Rhea expert-curated reactions1.1.1.103
UniProtKB/Swiss-Prot
A0KQV6, TDH_AERHHA4SHB7, TDH_AERS4B9J738, TDH_AGRRK
Q5E0F9, TDH_ALIF1B5ETJ6, TDH_ALIFMB6ESA4, TDH_ALISL
B4S298, TDH_ALTMDB8J714, TDH_ANAD2Q2IJN4, TDH_ANADE
A7HEI5, TDH_ANADFB4UMJ1, TDH_ANASKQ65JE7, TDH_BACLD
O31776, TDH_BACSUA7Z4X0, TDH_BACVZQ2KIR8, TDH_BOVIN
B1YXP0, TDH_BURA4A0B459, TDH_BURCHB4EFZ7, TDH_BURCJ
Q0B5Q1, TDH_BURCMQ38ZS8, TDH_BURL3A9AR24, TDH_BURM1
A3MAC8, TDH_BURM7A2RZW5, TDH_BURM9Q62EL5, TDH_BURMA
A1UXP8, TDH_BURMSB1K269, TDH_BURO0Q1BK24, TDH_BURO1
A3P139, TDH_BURP0Q3JID4, TDH_BURP1A3NF91, TDH_BURP6
Q63PD9, TDH_BURPSQ2T9E1, TDH_BURTAA4JKG7, TDH_BURVG
Q8R7K0, TDH_CALS4Q11L77, TDH_CHESBQ7NXH5, TDH_CHRVO
A8ARK6, TDH_CITK8Q48AM4, TDH_COLP3B6J2S1, TDH_COXB2
A9KET6, TDH_COXBNA9NA21, TDH_COXBRQ83F39, TDH_COXBU
A7MID0, TDH_CROS8Q6AAR3, TDH_CUTAKC1D195, TDH_DEIDV
Q9RTU4, TDH_DEIRAA7ZTH0, TDH_ECO24B7ULH2, TDH_ECO27
B7MFI0, TDH_ECO45B7L742, TDH_ECO55Q8XEJ1, TDH_ECO57
B5YWB7, TDH_ECO5EB7NPC5, TDH_ECO7IB7N1S0, TDH_ECO81
B7M4A3, TDH_ECO8AC4ZXK8, TDH_ECOBWB1X950, TDH_ECODH
A8A681, TDH_ECOHSA1AHF3, TDH_ECOK1Q0TBJ0, TDH_ECOL5
Q8FCA2, TDH_ECOL6B1IZH4, TDH_ECOLCP07913, TDH_ECOLI
B7NES3, TDH_ECOLUB6I3J6, TDH_ECOSEB1LK55, TDH_ECOSM
Q1R4X4, TDH_ECOUTC5BB99, TDH_EDWI9A4W529, TDH_ENT38
B7LVH6, TDH_ESCF3B0TYR8, TDH_FRAP2Q14IB6, TDH_FRAT1
A7NDM9, TDH_FRATFQ2A282, TDH_FRATHB2SDJ2, TDH_FRATM
A0Q5K3, TDH_FRATNQ0BKV5, TDH_FRATOQ5NGW4, TDH_FRATT
A4IZ92, TDH_FRATWQ5QUN8, TDH_IDILOB5XTI4, TDH_KLEP3
A6TFL2, TDH_KLEP7Q5X748, TDH_LEGPAA5IGK7, TDH_LEGPC
Q5ZXM9, TDH_LEGPHQ5WYJ7, TDH_LEGPLA6W1W3, TDH_MARMS
Q8K3F7, TDH_MOUSEB2JPU0, TDH_PARP8B2T7X5, TDH_PARPJ
Q6MD15, TDH_PARUWQ13SG2, TDH_PARXLQ6DAT5, TDH_PECAS
C6DIA7, TDH_PECCPQ7MY48, TDH_PHOLLQ6LRD9, TDH_PHOPR
Q8MIR0, TDH_PIGB4F134, TDH_PROMHQ15ZU4, TDH_PSEA6
Q3IHW0, TDH_PSET1A1SVW5, TDH_PSYINQ9UYX0, TDH_PYRAB
Q8U259, TDH_PYRFUO58389, TDH_PYRHOB3PUI4, TDH_RHIE6
Q2K618, TDH_RHIECQ1MDT5, TDH_RHIL3Q983J7, TDH_RHILO
B5ZXE7, TDH_RHILWQ52998, TDH_RHIMEQ5LN53, TDH_RUEPO
A4FND4, TDH_SACENB5EXC3, TDH_SALA4A9MKQ8, TDH_SALAR
Q57IC5, TDH_SALCHB5FLI6, TDH_SALDCB5R5E1, TDH_SALEP
B5RGH0, TDH_SALG2B4T9A1, TDH_SALHSB4SXB9, TDH_SALNS
Q5PC07, TDH_SALPAA9MVL0, TDH_SALPBC0Q1V0, TDH_SALPC
B5BHZ1, TDH_SALPKB4TZV9, TDH_SALSVQ8Z2F4, TDH_SALTI
Q8ZL52, TDH_SALTYA8GLC6, TDH_SERP5A1S1Q3, TDH_SHEAM
B8EDS6, TDH_SHEB2A3CYN0, TDH_SHEB5A6WUG6, TDH_SHEB8
A9KWY0, TDH_SHEB9Q07W50, TDH_SHEFNB0TNM4, TDH_SHEHH
A3QJC8, TDH_SHELPQ8E8J1, TDH_SHEONA8GYP8, TDH_SHEPA
A4YCC5, TDH_SHEPCA0L2Q3, TDH_SHESAA8FPE0, TDH_SHESH
Q0HDA3, TDH_SHESMQ0HPI5, TDH_SHESRA1RE07, TDH_SHESW
B1KL24, TDH_SHEWMB2U5D5, TDH_SHIB3Q31V06, TDH_SHIBS
Q329N8, TDH_SHIDSQ0SYE5, TDH_SHIF8P59409, TDH_SHIFL
Q3YVY1, TDH_SHISSC3MFH1, TDH_SINFNA6UBM6, TDH_SINMW
Q02BT1, TDH_SOLUEQ82MN2, TDH_STRAWQ9L233, TDH_STRCO
B1VWE7, TDH_STRGGB2FQN4, TDH_STRMKQ67N85, TDH_SYMTH
Q5JI69, TDH_THEKOB6YTJ5, TDH_THEONQ72L62, TDH_THET2
Q5SKS4, TDH_THET8B7VR52, TDH_VIBA3A5F0N6, TDH_VIBC3
Q9KL62, TDH_VIBCHC3LWF0, TDH_VIBCMP59410, TDH_VIBPA
Q8D442, TDH_VIBVUQ7MFL5, TDH_VIBVYQ8PNN2, TDH_XANAC
Q3BWT0, TDH_XANC5Q4URI9, TDH_XANC8B0RU31, TDH_XANCB
O34268, TDH_XANCPQ2NZP2, TDH_XANOMQ5GWI3, TDH_XANOR
A1JHX8, TDH_YERE8A7FCU5, TDH_YERP3Q1C278, TDH_YERPA
B2JYP4, TDH_YERPBQ8ZJN2, TDH_YERPEA9R685, TDH_YERPG
Q1CD13, TDH_YERPNA4TSC6, TDH_YERPPQ66GC5, TDH_YERPS
B1JQW2, TDH_YERPY

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All ENZYME / UniProtKB/Swiss-Prot entries corresponding to 1.1.1.-
All ENZYME / UniProtKB/Swiss-Prot entries corresponding to 1.1.-.-
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