|
|
H+ + 6-carboxy-5,6,7,8-tetrahydropterin <=> 7-carboxy-7-carbaguanine + NH3
|
4.3.99.3
7-carboxy-7-deazaguanine synthase
|
–
|
| |
BRENDA:
BR50129
KEGG:
R10002
MetaCyc:
RXN0-6575
|
|
|
|
GTP + H2O <=> H+ + formate + 7,8-dihydroneopterin_3''-triphosphate
|
3.5.4.16
GTP cyclohydrolase I
|
–
|
| |
BRENDA:
BR22737
KEGG:
R00424
MetaCyc:
GTP-CYCLOHYDRO-I-RXN
SABIO-RK:
9177
|
|
|
|
7,8-dihydroneopterin_3''-triphosphate + H2O <=> 6-carboxy-5,6,7,8-tetrahydropterin + acetaldehyde + tripolyphosphate + H+
|
4.1.2.50
6-carboxytetrahydropterin synthase
|
–
|
| |
BRENDA:
BR50066
KEGG:
R09959
MetaCyc:
RXN0-5507
|
|
|
|
7-carboxy-7-carbaguanine + NH3 + ATP <=> H+ + 7-cyano-7-carbaguanine + ADP + phosphate + H2O
|
6.3.4.20
7-cyano-7-deazaguanine synthase
|
–
|
| |
BRENDA:
BR50022
KEGG:
R09978
MetaCyc:
RXN-12093
|
|
