Systematic analysis of Heat Shock Protein 70 (HSP70) gene family in radish and potential roles in stress tolerance

Table 2 Ka-Ks calculation for each pair of HSP70 in radish

Paralog pairs	S-sites	N-sites	Ka	Ks	Ka/Ks	Selection pressure	Duplication type	Duplication time (Mya)
RsHSP70-11/RsHSP70-27	117.17	413.83	0.24	1.05	0.23	Purifying selection	Segmental	7.58
RsHSP70-21/RsHSP70-31	444.33	1496.67	0.03	0.67	0.04	Purifying selection	Segmental	4.82
RsHSP70-3/RsHSP70-14	151.92	556.08	0.01	0.89	0.01	Purifying selection	Segmental	6.37
RsHSP70-4/RsHSP70-11	487.42	1558.58	0.10	0.65	0.16	Purifying selection	Segmental	4.69
RsHSP70-4/RsHSP70-27	103.92	382.08	0.26	0.68	0.39	Purifying selection	Segmental	4.86
RsHSP70-6/RsHSP70-12	603.67	2009.33	0.03	0.37	0.10	Purifying selection	Segmental	2.62
RsHSP70-7/RsHSP70-9	488.83	1548.17	0.02	0.35	0.05	Purifying selection	Segmental	2.49
RsHSP70-4/RsHSP70-5	382.42	1243.58	0.10	0.46	0.22	Purifying selection	Tandem	3.32

S-sites Number of synonymous sites, N-sites Number of non-synonymous sites, Ka Non-synonymous substitution rate, Ks Synonymous substitution, Mya Million years ago

ISSN: 1471-2229