Complex sentence: UPF1015 has two isoforms Q9BPX7-1 and Q9BPX7-2 and consists of two exons that are both highly conserved among vertebrates.
Split into simpler sentences: UPF1015 has two isoforms, Q9BPX7-1 and Q9BPX7-2. Both consists of two exons that are both highly conserved among vertebrates.