|
|
5,10-methenyltetrahydrofolate + H2O <=> 10-formyltetrahydrofolate + H+
|
3.5.4.9
methenyltetrahydrofolate cyclohydrolase
|
–
|
| |
BRENDA:
BR22746
KEGG:
R01655
MetaCyc:
METHENYLTHFCYCLOHYDRO-RXN
SABIO-RK:
74
|
|
|
|
5-formimidoyltetrahydrofolate + H+ <=> NH3 + 5,10-methenyltetrahydrofolate
|
4.3.1.4
formimidoyltetrahydrofolate cyclodeaminase
|
–
|
| |
BRENDA:
BR3426
KEGG:
R02302
MetaCyc:
4.3.1.4-RXN
SABIO-RK:
2264
|
|
|
|
5-formimidoyltetrahydrofolate + L-glutamate <=> N-formimino-L-glutamate + tetrahydrofolate
|
2.1.2.5
glutamate formimidoyltransferase
|
–
|
| |
BRENDA:
BR43944;
BS451911
KEGG:
R02287
MetaCyc:
GLUTAMATE-FORMIMINOTRANSFERASE-RXN
SABIO-RK:
2252
|
|
|
|
4,5-dihydro-4-oxo-5-imidazolepropanoate <=> Urocanate + H2O
|
4.2.1.49
urocanate hydratase
|
–
|
| |
BRENDA:
BR428
KEGG:
R02914
MetaCyc:
UROCANATE-HYDRATASE-RXN
|
|
|
|
L-histidine <=> NH3 + Urocanate
|
4.3.1.3
histidine ammonia-lyase
|
–
|
| |
BRENDA:
BR3425
KEGG:
R01168
MetaCyc:
HISTIDINE-AMMONIA-LYASE-RXN
SABIO-RK:
11319;
1406
|
|
|
|
4,5-dihydro-4-oxo-5-imidazolepropanoate + H2O <=> N-formimino-L-glutamate
|
3.5.2.7
imidazolonepropionase
|
–
|
| |
BRENDA:
BR19259
KEGG:
R02288
MetaCyc:
IMIDAZOLONEPROPIONASE-RXN
|
|
