Opinion ID: 3201535
Heading Depth: 3
Heading Rank: 1

Heading: A method of labeling a nucleic acid molecule,

Text: the method comprising incorporating into the nu- cleic acid molecule a nucleotide or nucleoside molecule, wherein the nucleotide or nucleoside molecule has a base that is linked to a detectable label via a cleavable linker and the nucleotide or nucleoside molecule has a ribose or deoxyribose sugar moiety, wherein the ribose or deoxyribose sugar moiety comprises a protecting group at- tached via the 2′ or 3′ oxygen atom, and said pro- tecting group can be modified or removed to expose a 3′ OH group and the protecting group comprises an azido group. Id. at col. 19 ll. 49–59 (emphases added).