Figure 1. Messenger RNA (mRNA) isomers of the PRL gene. mRNA variant 1 contains 894 nucleotides and includes a coding region (CDS) of 55-738 nucleotides, which contains 84 nucleotides encoding a signal peptide (SP) and 600 nucleotides encoding matrix protein (MP). mRNA variant 2 contains 1013 nucleotides and a CDS of 174-857 nucleotides, which contains 84 nucleotides, encoding SP and 600 nucleotides encoding MP. mRNA variant X1 contains 1016 nucleotides and CDS of 174-860 nucleotides, which contains 87 nucleotides encoding SP and 600 nucleotides encoding MP. mRNA variant X2 contains 1029 nucleotides and CDS of 187-873 nucleotides, which contains 84 nucleotides encoding SP and 600 nucleotides encoding MP.