Location of splice sites and sequences responsible for generating various spliced HBV pgRNA

5’ donor splice site nucleotide position*Splice site sequence (based on HBV genotype D)Splice variants produced by splicing at this splice site
2067/8CAG/GCAAGCSp2, Sp3, Sp8, Sp10, Sp12, Sp15, Sp16, Sp17
2087/8GGG/GTGAGT (genotype B and C only)Sp4, Sp5
2447/8AAT/GTTAGTSp1, Sp2, Sp4, Sp7, Sp8, Sp9, Sp10, Sp12, Sp13, Sp15
2471/2AAG/GTGGGRSp6, Sp11, Sp16, Sp18
2985/6AAG/GTAGGASp7, Sp8, Sp14, Sp18, Sp19, Sp20
3’ acceptor splice site nucleotide position*Splice site sequence (based on HBV genotype D)Splice variants produced by splicing at this splice site
2234/5GAA/GSp12, Sp15
2349/50TAG/ASp2, Sp4, Sp8, Sp10, Sp16
2901/2CAG/TSp7, Sp8, Sp13, Sp18
281/2TAG/GSp9, Sp10, Sp11, Sp12, Sp17, Sp20
488/9CAG/GSp1, Sp2, Sp3, Sp4, Sp5, Sp6, Sp7, Sp8, Sp14, Sp15, Sp16, Sp18

* Numbering is based on EcoR1 start site. HBV: hepatitis B virus; C: cytosine; A: adenine; G: guanine; T: thymine; R: adenine or guanine