"114113819"@en-us . "nucleotide"^^ . "base"@en-us . "a phosphoric ester of a nucleoside; the basic structural unit of nucleic acids (DNA or RNA)"@en-us . . "14964590-n"^^ . "110736751"@en-us . . "nucleotide"@en-us . . . "114964590"^^ . . . "0"^^ . . "a phosphoric ester of a nucleoside; the basic structural unit of nucleic acids (DNA or RNA)"@en-us . . . "0"^^ . . .