Urabaine

Formula : C36-H32-N2-O4
CAS : 108906-93-0 

Aporphine alkaloid of Phoenicanthus obliqua from Sri Lanka (Annonaceae).

Uracil dna glycosylase

Formula :
CAS : 117681-65-9 

An enzyme that catalyzes the HYDROLYSIS of the N-glycosidic bond between sugar phosphate backbone and URACIL residue during DNA synthesis.

Uracil permease

Formula :
CAS : 64177-90-8 

Mediates uptake of uracil in S cerevisiae; does not transport other natural pyrimidines such as cytosine, thymine or uridine.