O
1. Symbol for oxygen; orotidine.
O 2A progenitor
Bipotential progenitor cells in rat optic nerve that give rise initially to oligodendrocytes and then to type 2 astrocyt (more...)
O(2)-methylthymine-DNA glycosidase
<enzyme> Repairs o(2)-methylthymidine residues in DNA
O(4)-methylthymine-DNA methyltransferase
<enzyme> Repairs o(4)-methylthymidine residues in DNA
o(6)-methylguanine-DNA methyltransferase
<enzyme> An enzyme that transfers methyl groups from o(6)-methylguanine, and other methylated moities of DNA, to a (more...)
O-acetylcarnitine
The acetyl derivative of carnitine formed by carnitine acetyltransferase. Facilitates acetyl transport into the mitochon (more...)
O-acetylhomoserine (thiol)-lyase
<enzyme> With hydrogen sulfide, forms homocysteine
oafish
Like an oaf; simple. Oaf"ishness.
O agglutinin
An agglutinin that is formed as the result of stimulation by, and that reacts with, the relatively thermostable antigen( (more...)
