- 2-substituted
pyrimidines, with urea to give 2-pyrimidinones, and
guanidines to give 2-aminopyrimidines are typical.: 149–239
Pyrimidines can be prepared...
-
Cyclobutane pyrimidine dimer (CPD) is a
dimer which features a four-membered ring
formed by the
fusion of two double-bonded
carbons from
adjacent pyrimidines. CPDs...
- Eukaryota), the
first three steps are done by
three different enzymes.
Pyrimidines are
ultimately catabolized (degraded) to CO2, H2O, and urea. Cytosine...
- of cytosine, uracil, and
thymine is
derived of
pyrimidine, so
those three bases are
called the
pyrimidine bases. Each of the base
pairs in a
typical double-helix...
- all four nucleotides. De novo
synthesis of
pyrimidines and
purines follows two
different pathways.
Pyrimidines are
synthesized first from
aspartate and...
-
cellular processes, both
purines and
pyrimidines are
needed by the cell, and in
similar quantities. Both
purine and
pyrimidine are self-inhibiting and activating...
-
Brown DJ,
Evans RF,
Cowden WB, Fenn MD (1994).
Taylor EC (ed.). The
Pyrimidines.
Heterocyclic Compounds. Vol. 52. New York, NY: Wiley. ISBN 9780471506560...
-
divided into two groups, the single-ringed
pyrimidines and the double-ringed purines. In DNA, the
pyrimidines are
thymine and cytosine; the
purines are...
-
Pyrimidine phosphorylase may
refer to:
Thymidine phosphorylase Uridine phosphorylase This set
index article includes a list of
related items that share...
-
Pyrimidine analogues are
antimetabolites which mimic the
structure of
metabolic pyrimidines.
Nucleobase analogues Fluorouracil (5FU),
which inhibits thymidylate...
