uracil

1. 5,6-dihydrouracil:NAD+ oxidoreductase

No catalyst recordedcytosolOne of 3 routes

1. deoxyuridine:orthophosphate 2-deoxy-D-ribosyltransferase

Catalysed by UPP2, UPP1cytosol

1. uridine:phosphate alpha-D-ribosyltransferase

Catalysed by UPP2, UPP1cytosol

1. 5,6-dihydrouracil:NAD+ oxidoreductase
2. 5,6-dihydrouracil + H2O = 3-(carbamoylamino)propanoate + H(+)

Catalysed by DPYScytosol

1. uridine:phosphate alpha-D-ribosyltransferase
2. cytidine + H2O + H(+) = uridine + NH4(+)

Catalysed by UPP2, UPP1, CDAcytosol

1. deoxyuridine:orthophosphate 2-deoxy-D-ribosyltransferase
2. thymidine kinase (deoxyuridine)
3. dGTP:pyruvate 2-O-phosphotransferase

Catalysed by UPP2, UPP1, PKM, PKLRcytosol

1. uridine:phosphate alpha-D-ribosyltransferase
2. uridine:phosphate alpha-D-ribosyltransferase
3. purine nucleoside phosphorylase (nicotinamide)

Catalysed by