Fig. 3.

Genomic structure and nucleotide sequence of transcripts initiating from the native promoter of β3Gal-T5. (A) Structure of the β3Gal-T5 locus. Exons are boxed and numbered. The ERV-L LTR is represented by an arrow. β3Gal-T5 transcripts initiating from the native promoter (NP) and LTR promoter (LP-splicing variant 1 only) are shown schematically below. The diagram is not to scale. (B) Nucleotide sequence of transcripts initiating from the β3Gal-T5 native promoter. Exon sequences are shown in uppercase reverse type, with all other sequences in lowercase. The translation initiation codon is shown in italics.