|
|
sepiapterin + H2O + H+ <=> Xanthopterin-B2 + NH3
|
3.5.4.11
pterin deaminase
3.5.4.24
sepiapterin deaminase
|
–
–
|
|
|
BRENDA:
BR22739
KEGG:
R02974
MetaCyc:
SEPIAPTERIN-DEAMINASE-RXN
SABIO-RK:
2828
|
|
|
|
dihydrobiopterin + NADP+ <=> sepiapterin + NADPH + H+
|
1.1.1.153
sepiapterin reductase (L-erythro-7,8-dihydrobiopterin forming)
1.1.1.184
carbonyl reductase (NADPH)
1.1.1.53
3alpha(or 20beta)-hydroxysteroid dehydrogenase
|
–
–
–
|
K
|
|
BRENDA:
BR29218
KEGG:
R02975
MetaCyc:
SEPIAPTERIN-REDUCTASE-RXN
SABIO-RK:
2829
|
|
|
|
L-threo-7,8-dihydrobiopterin + NADP+ <=> sepiapterin + NADPH + H+
|
1.1.1.325
sepiapterin reductase (L-threo-7,8-dihydrobiopterin forming)
|
–
|
|
|
BRENDA:
BR50019
KEGG:
R09989
MetaCyc:
RXN-13222
|
|
|
|
1'-oxo-2'-L-hydroxypropyl-tetrahydropterin <=> sepiapterin
|
not assigned
|
–
|
K
|
|
KEGG:
R11766
|
|
|
|
sepiapterin <=> pterin
|
4.2.3.12
6-pyruvoyltetrahydropterin synthase
|
–
|
|
|
BRENDA:
BS363426
|
|
|
|
sepiapterin + H2O <=> 6-[(2S)-2-hydroxypropanoyl]-7,8-dihydropteridine-2,4(1H,3H)-dione + NH3
|
3.5.4.11
pterin deaminase
|
–
|
|
|
BRENDA:
BS413925
|
|
|
|
1''-oxo-2''-L-hydroxypropyl-tetrahydropterin + NADP+ <=> sepiapterin + NADPH
|
1.1.1.153
sepiapterin reductase (L-erythro-7,8-dihydrobiopterin forming)
|
–
|
|
|
BRENDA:
BS383004
|
|
|
|
sepiapterin + NADPH <=> 1''-hydroxy-2''-oxopropyltetrahydropterin + NADP+
|
1.1.1.153
sepiapterin reductase (L-erythro-7,8-dihydrobiopterin forming)
|
–
|
|
|
BRENDA:
BS385725
|
|
|
|
sepiapterin + NADPH + H+ <=> tetrahydrobiopterin + NADP+
|
1.1.1.153
sepiapterin reductase (L-erythro-7,8-dihydrobiopterin forming)
1.1.1.325
sepiapterin reductase (L-threo-7,8-dihydrobiopterin forming)
|
–
–
|
|
|
BRENDA:
BS438462
|
|
|
|
sepiapterin + H2O <=> 6-carboxy-5,6,7,8-tetrahydropterin + acetaldehyde + tripolyphosphate
|
4.1.2.50
6-carboxytetrahydropterin synthase
|
–
|
|
|
BRENDA:
BS419068
|
|
|
|
NADH + H+ + sepiapterin <=> dihydrobiopterin + NAD+
|
1.1.1.153
sepiapterin reductase (L-erythro-7,8-dihydrobiopterin forming)
|
–
|
|
|
SABIO-RK:
9566
|
|