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Literature summary for 3.5.4.16 extracted from

  • Sawada, M.; Horikoshi, T.; Masada, M.; Akino, M.; Sugimoto, T.M.; Matsuura, S.; Nagatsu, T.
    A sensitive assay of GTP cyclohydrolase I activity in rat and human tissues using radioimmunoassay of neopterin (1986), Anal. Biochem., 154, 361-366.
    View publication on PubMed

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.06
-
GTP
-
Rattus norvegicus

Organism

Organism UniProt Comment Textmining
Homo sapiens
-
-
-
Rattus norvegicus
-
-
-

Source Tissue

Source Tissue Comment Organism Textmining
brain
-
Homo sapiens
-
brain
-
Rattus norvegicus
-
liver
-
Homo sapiens
-
liver
-
Rattus norvegicus
-

Storage Stability

Storage Stability Organism
-80°C, 6 months, stable Homo sapiens
-80°C, 6 months, stable Rattus norvegicus

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
GTP + H2O
-
Homo sapiens formate + 2-amino-4-hydroxy-6-(erythro-1,2,3-trihydroxypropyl)-dihydropteridine triphosphate
-
?
GTP + H2O
-
Rattus norvegicus formate + 2-amino-4-hydroxy-6-(erythro-1,2,3-trihydroxypropyl)-dihydropteridine triphosphate
-
?

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
22
-
no significant loss of activity after 5 h Homo sapiens
22
-
no significant loss of activity after 5 h Rattus norvegicus

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
7.8
-
-
Rattus norvegicus