Table 3.

Virion parameters

Virus	Optimal buffer, salinity (M)	Density in CsCl (g ml−1)	Mean virion diam (nm) ± SD	Genome packaging density (nucleotides nm−3)	Genome type (reference)
HRPV-1	HRPV-1 buffer, 1.6a	1.29b	41.1 ± 2.2	0.192	Circular ssDNA (49)
HRPV-2	9% SW, 1.3	1.28	54.0 ± 4.3	0.127	Circular ssDNA (58)
HRPV-3	15% SW, 2.2	1.27	67.2 ± 5.2	0.133	Circular dsDNA (58)
HRPV-6	12% SW, 1.8	1.26	48.5 ± 2.7	0.153	Circular ssDNA (58)
HGPV-1	15% SW, 2.2	1.34	55.5 ± 5.2	0.211	Circular dsDNA (58)
HHPV-1	18% SW, 2.7	1.27c	51.7 ± 4.0	0.227	Circular dsDNA (53)
His2	18% SW, 2.7	1.30d	70.6 ± 3.6	0.173	Linear dsDNA (11)

^aSee reference 48.

^bSee reference 49.

^cSee reference 53.

^dSee reference 11.