TABLE 2.

Polyomavirus genomes generate the novel viral proteins due to alternative splicing

Virus names	Early/late gene expression	Putative protein	No. of amino acids	Expected size (kDa)	References
TSPyV	Early	Top T	332	38	van der Meijden et al. (2015)
TSPyV	Early	Tiny T	85	10	van der Meijden et al. (2015)
TSPyV	Early	Small T*	197	24	van der Meijden et al. (2015)
TSPyV	Early	21 kT	184	21	van der Meijden et al. (2015)
MCPyV	Early	57 kT	432	48	Carter et al. (2013)
MCPyV	Early	ALTO	248	27	Carter et al. (2013)
MPyV	Early	Top T	421	46	Soeda et al. (1979)
MPyV	Early	Tiny T	75	8	Riley et al. (1997)
JCPyV	Early	T'165	165	18	Prins and Frisque (2001)
JCPyV	Early	T'136	136	15	Prins and Frisque (2001)
JCPyV	Early	T'135	135	15	Prins and Frisque (2001)
JCPyV	Early	T'152	152	17	Prins and Frisque (2001)
JCPyV	Early	T'147	147	16	Prins and Frisque (2001)
JCPyV	Late	ORF1	58	6.4	Saribas, Devoto et al. 2018
JCPyV	Late	ORF2	72	7.9	Saribas, Devoto et al. 2018
JCPyV	Late	Agnoprotein	71	7.8	Del Valle et al. (2002)
SV40PyV	Early	17 kDa	135	17	Zerrahn et al. (1993)
SV40PyV	Late	Agnoprotein	62	6.8	Gilbert et al. (1981)
BKPyV	Early	TruncTAg	ND	17–20	Abend et al. (2009)
BKPyV	Late	Agnoprotein	68	7.5	Rinaldo et al. (1998)

Note. All polyomaviruses universally express large and small T antigens and they are not included in this table.

ND: not determined.