|
|
(S)-acetoin <=> (R)-acetoin
|
5.1.2.4
acetoin racemase
|
–
|
K
|
|
BRENDA:
BR181
KEGG:
R02949
MetaCyc:
ACETOIN-RACEMASE-RXN
|
|
|
|
(2R,3R)-butane-2,3-diol + NAD+ <=> (R)-acetoin + NADH + H+
|
1.1.1.1
alcohol dehydrogenase
1.1.1.4
(R,R)-butanediol dehydrogenase
1.1.1.6
glycerol dehydrogenase
1.1.1.81
hydroxypyruvate reductase
|
–
–
–
–
|
BMK
|
|
BRENDA:
BR26052;
BS165092;
BS421731
KEGG:
R02946
MetaCyc:
RR-BUTANEDIOL-DEHYDROGENASE-RXN
SABIO-RK:
15100;
2802
|
|
|
|
H+ + (S)-2-Hydroxy-2-methyl-3-oxobutanoate <=> (R)-acetoin + CO2
|
4.1.1.5
acetolactate decarboxylase
|
–
|
BMK
|
|
BRENDA:
BR309;
BS1472
KEGG:
R02948
MetaCyc:
ACETOLACTATE-DECARBOXYLASE-RXN
|
|
|
|
meso-2,3-butanediol + NAD+ <=> (R)-acetoin + NADH + H+
|
1.1.1
1.1.1.4
(R,R)-butanediol dehydrogenase
1.1.1.76
(S,S)-butanediol dehydrogenase
1.1.1.B20
|
–
–
–
–
|
MK
|
|
BRENDA:
BR49656;
BS165094;
BS165096;
BS437688
KEGG:
R02344;
R10505
MetaCyc:
RXN-11035
SABIO-RK:
15101
|
|
|
|
diacetyl + NADPH + H+ <=> (R)-acetoin + NADP+
|
1.1.1.B4
|
–
|
|
|
BRENDA:
BS438688
KEGG:
R02856
|
|
|
|
(R)-2-hydroxy-2-methyl-3-oxobutanoate <=> (R)-acetoin + CO2
|
4.1.1.5
acetolactate decarboxylase
|
–
|
|
|
BRENDA:
BS367957
|
|
|
|
(R)-acetoin + NADPH + H+ <=> (2R,3R)-butane-2,3-diol + NAD+
|
1.1.1.4
(R,R)-butanediol dehydrogenase
|
–
|
|
|
BRENDA:
BS436658
|
|
|
|
(R)-acetoin + NADPH + H+ <=> meso-2,3-butanediol + NADP+
|
1.1.1.B20
|
–
|
|
|
BRENDA:
BS440448
|
|
|
|
(R)-acetoin + NADPH + H+ <=> (2R,3R)-butane-2,3-diol + NADP+
|
1.1.1.2
alcohol dehydrogenase (NADP+)
1.1.1.4
(R,R)-butanediol dehydrogenase
|
–
–
|
|
|
BRENDA:
BS403106
|
|
|
|
acetaldehyde + acetaldehyde <=> (R)-acetoin
|
4.1.1.7
benzoylformate decarboxylase
4.1.2.38
benzoin aldolase
|
–
–
|
|
|
BRENDA:
BS372222
|
|