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Pyrimidine (C4H4N2; /pɪˈrɪ.mɪˌdiːn, paɪˈrɪ.mɪˌdiːn/) is an aromatic, heterocyclic,
organic compound similar to
pyridine (C5H5N). One of the
three diazines...
- The
purine bases adenine and
guanine and
pyrimidine base
cytosine occur in both DNA and RNA,
while the
pyrimidine bases thymine (in DNA) and
uracil (in RNA)...
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Pyrimidine dimers represent molecular lesions originating from
thymine or
cytosine bases within DNA,
resulting from
photochemical reactions.
These lesions...
- 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...
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Pyrimidine biosynthesis occurs both in the body and
through organic synthesis. De Novo
biosynthesis of a
pyrimidine is
catalyzed by
three gene products...
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demethylated form of thymine.
Uracil is a
common and
naturally occurring pyrimidine derivative. The name "uracil" was
coined in 1885 by the
German chemist...
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Pyrimidine analogues are
antimetabolites which mimic the
structure of
metabolic pyrimidines.
Nucleobase analogues Fluorouracil (5FU),
which inhibits thymidylate...
- In enzymology, a
pyrimidine-nucleoside
phosphorylase (EC 2.4.2.2) is an
enzyme that
catalyzes the
chemical reaction a
pyrimidine nucleoside + phosphate...
- a
heterocyclic aromatic organic compound that
consists of two
rings (
pyrimidine and imidazole)
fused together. It is water-soluble.
Purine also gives...
-
nitrogenous base. The
bases found in
nucleic acids are
either purines or
pyrimidines. In the more
complex multicellular animals, they are both
primarily produced...
