The alkyl group is unreactive and the chemical and biological properties are mainly due to the nitrite group.
From the en.wikipedia.org
The coil contains about 3.6 amino acids per turn and the alkyl group of amino acid lie outside the plane of coil.
From the en.wikipedia.org
Many of these analogs have an alkyl group introduced at the C-17 position in order to prevent conjugation and hence improve oral bioavailability.
From the en.wikipedia.org
At the other end of the alkyl chain is an amidine group which also binds to oils.
From the newscientist.com
For example, silica is functionalized with an alkyl silicone, wherein the alkyl contains an amine functional group.
From the en.wikipedia.org
For instance, tertiary alcohols react with hydrochloric acid to produce tertiary alkyl halides, where the hydroxyl group is replaced by a chlorine atom by unimolecular nucleophilic substitution.