Sequence of deoxyribonucleic acid (DNA) or ribonucleic acid (RNA) nucleotides, located between the start-code sequence (initiation codon) and the stop-code sequence (termination codon), which is transcribed and translated to generate a protein.
Source:
PAC, 2018, 90, 1121. 'Terminology of bioanalytical methods (IUPAC Recommendations 2018)' on page 1149 (https://doi.org/10.1515/pac-2016-1120)