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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
BRENDA 1.1.1.103
EC2PDB 1.1.1.103
ExplorEnz 1.1.1.103
PRIAM enzyme-specific profiles 1.1.1.103
KEGG Ligand Database for Enzyme Nomenclature 1.1.1.103
IUBMB Enzyme Nomenclature 1.1.1.103
IntEnz 1.1.1.103
MEDLINE Find literature relating to 1.1.1.103
MetaCyc 1.1.1.103
Rhea expert-curated reactions 1.1.1.103
UniProtKB/Swiss-Prot
A0KQV6, TDH_AERHH A4SHB7, TDH_AERS4 Q5E0F9, TDH_ALIF1
B5ETJ6, TDH_ALIFM B6ESA4, TDH_ALISL B4S298, TDH_ALTMD
B8J714, TDH_ANAD2 Q2IJN4, TDH_ANADE A7HEI5, TDH_ANADF
B4UMJ1, TDH_ANASK Q65JE7, TDH_BACLD O31776, TDH_BACSU
A7Z4X0, TDH_BACVZ Q2KIR8, TDH_BOVIN B1YXP0, TDH_BURA4
A0B459, TDH_BURCH B4EFZ7, TDH_BURCJ Q0B5Q1, TDH_BURCM
Q38ZS8, TDH_BURL3 A9AR24, TDH_BURM1 A3MAC8, TDH_BURM7
A2RZW5, TDH_BURM9 Q62EL5, TDH_BURMA A1UXP8, TDH_BURMS
B1K269, TDH_BURO0 Q1BK24, TDH_BURO1 A3P139, TDH_BURP0
Q3JID4, TDH_BURP1 A3NF91, TDH_BURP6 Q63PD9, TDH_BURPS
Q2T9E1, TDH_BURTA A4JKG7, TDH_BURVG Q8R7K0, TDH_CALS4
Q11L77, TDH_CHESB Q7NXH5, TDH_CHRVO A8ARK6, TDH_CITK8
Q48AM4, TDH_COLP3 B6J2S1, TDH_COXB2 A9KET6, TDH_COXBN
A9NA21, TDH_COXBR Q83F39, TDH_COXBU A7MID0, TDH_CROS8
Q6AAR3, TDH_CUTAK C1D195, TDH_DEIDV Q9RTU4, TDH_DEIRA
A7ZTH0, TDH_ECO24 B7ULH2, TDH_ECO27 B7MFI0, TDH_ECO45
B7L742, TDH_ECO55 Q8XEJ1, TDH_ECO57 B5YWB7, TDH_ECO5E
B7NPC5, TDH_ECO7I B7N1S0, TDH_ECO81 B7M4A3, TDH_ECO8A
C4ZXK8, TDH_ECOBW B1X950, TDH_ECODH A8A681, TDH_ECOHS
A1AHF3, TDH_ECOK1 Q0TBJ0, TDH_ECOL5 Q8FCA2, TDH_ECOL6
B1IZH4, TDH_ECOLC P07913, TDH_ECOLI B7NES3, TDH_ECOLU
B6I3J6, TDH_ECOSE B1LK55, TDH_ECOSM Q1R4X4, TDH_ECOUT
C5BB99, TDH_EDWI9 A4W529, TDH_ENT38 B7LVH6, TDH_ESCF3
B0TYR8, TDH_FRAP2 Q14IB6, TDH_FRAT1 A7NDM9, TDH_FRATF
Q2A282, TDH_FRATH B2SDJ2, TDH_FRATM A0Q5K3, TDH_FRATN
Q0BKV5, TDH_FRATO Q5NGW4, TDH_FRATT A4IZ92, TDH_FRATW
Q5QUN8, TDH_IDILO B5XTI4, TDH_KLEP3 A6TFL2, TDH_KLEP7
Q5X748, TDH_LEGPA A5IGK7, TDH_LEGPC Q5ZXM9, TDH_LEGPH
Q5WYJ7, TDH_LEGPL A6W1W3, TDH_MARMS Q8K3F7, TDH_MOUSE
B2JPU0, TDH_PARP8 B2T7X5, TDH_PARPJ Q6MD15, TDH_PARUW
Q13SG2, TDH_PARXL Q6DAT5, TDH_PECAS C6DIA7, TDH_PECCP
Q7MY48, TDH_PHOLL Q6LRD9, TDH_PHOPR Q8MIR0, TDH_PIG
B4F134, TDH_PROMH Q15ZU4, TDH_PSEA6 Q3IHW0, TDH_PSET1
A1SVW5, TDH_PSYIN Q9UYX0, TDH_PYRAB Q8U259, TDH_PYRFU
O58389, TDH_PYRHO B3PUI4, TDH_RHIE6 Q2K618, TDH_RHIEC
Q1MDT5, TDH_RHIJ3 Q983J7, TDH_RHILO B5ZXE7, TDH_RHILW
Q52998, TDH_RHIME B9J738, TDH_RHIR8 Q5LN53, TDH_RUEPO
A4FND4, TDH_SACEN B5EXC3, TDH_SALA4 A9MKQ8, TDH_SALAR
Q57IC5, TDH_SALCH B5FLI6, TDH_SALDC B5R5E1, TDH_SALEP
B5RGH0, TDH_SALG2 B4T9A1, TDH_SALHS B4SXB9, TDH_SALNS
Q5PC07, TDH_SALPA A9MVL0, TDH_SALPB C0Q1V0, TDH_SALPC
B5BHZ1, TDH_SALPK B4TZV9, TDH_SALSV Q8Z2F4, TDH_SALTI
Q8ZL52, TDH_SALTY A8GLC6, TDH_SERP5 A1S1Q3, TDH_SHEAM
B8EDS6, TDH_SHEB2 A3CYN0, TDH_SHEB5 A6WUG6, TDH_SHEB8
A9KWY0, TDH_SHEB9 Q07W50, TDH_SHEFN B0TNM4, TDH_SHEHH
A3QJC8, TDH_SHELP Q8E8J1, TDH_SHEON A8GYP8, TDH_SHEPA
A4YCC5, TDH_SHEPC A0L2Q3, TDH_SHESA A8FPE0, TDH_SHESH
Q0HDA3, TDH_SHESM Q0HPI5, TDH_SHESR A1RE07, TDH_SHESW
B1KL24, TDH_SHEWM B2U5D5, TDH_SHIB3 Q31V06, TDH_SHIBS
Q329N8, TDH_SHIDS Q0SYE5, TDH_SHIF8 P59409, TDH_SHIFL
Q3YVY1, TDH_SHISS C3MFH1, TDH_SINFN A6UBM6, TDH_SINMW
Q02BT1, TDH_SOLUE Q82MN2, TDH_STRAW Q9L233, TDH_STRCO
B1VWE7, TDH_STRGG B2FQN4, TDH_STRMK Q67N85, TDH_SYMTH
Q5JI69, TDH_THEKO B6YTJ5, TDH_THEON Q72L62, TDH_THET2
Q5SKS4, TDH_THET8 B7VR52, TDH_VIBA3 A5F0N6, TDH_VIBC3
Q9KL62, TDH_VIBCH C3LWF0, TDH_VIBCM P59410, TDH_VIBPA
Q8D442, TDH_VIBVU Q7MFL5, TDH_VIBVY Q8PNN2, TDH_XANAC
Q3BWT0, TDH_XANC5 Q4URI9, TDH_XANC8 B0RU31, TDH_XANCB
O34268, TDH_XANCP Q2NZP2, TDH_XANOM Q5GWI3, TDH_XANOR
A1JHX8, TDH_YERE8 A7FCU5, TDH_YERP3 Q1C278, TDH_YERPA
B2JYP4, TDH_YERPB Q8ZJN2, TDH_YERPE A9R685, TDH_YERPG
Q1CD13, TDH_YERPN A4TSC6, TDH_YERPP Q66GC5, 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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