Background
In some cases there is no need to divide modified nucleotides to submonomers (sugar, base, phosphate). Such nucleotides should be supported as single monomers.
Requirements
Unsplit nucleotides are nucleotides which have chemical structure, but submonomers (sugar, base, phosphate) are not specified
Unsplit nucleotides should have base natural analog
Unsplit nucleotides should have "class": "Nucleotide"
Background In some cases there is no need to divide modified nucleotides to submonomers (sugar, base, phosphate). Such nucleotides should be supported as single monomers.
Requirements