Table 2.

Comparison of the branch length and branch length variance for various cyclin groups

Cyclin group	Cyclin subfamily	Rm for group*	Rv for group*	No. of terminal nodes in group
Inv cyclins: coelenterates, echinodermates, insects.	A	37	3.73	11
	B	44	7.89	9
	B3	78	4.9	11
	D	39.5	3.9	10
	E	9	4	10
Inv cyclins: echinodermates, insects.	A	38	4.44	9
	B	64	7.86	7
	B3	83	3.67	9
	D	40.5	3.5	8
	E	10.5	4.75	8
Ver cyclins: lower and higher chordates	A1	29	2.59	17
	A2	13	1.18	17
	B1	16	2.69	13
	B2	24	2	15
	B3	75.5	4.9	10
	D1	33	3.36	13
	D2	8.5	1	14
	D3	25	3.44	9
	E1	17.5	2.19	16
	E2	30	2.23	17
Ver cyclins: coelenterates, lower and higher chordates	A1	28	2.32	19
	A2	12	1.05	19
	B1	15	2.5	15
	B2	22	1.88	17
	B3	74.5	4.42	12
	D1	28	2.85	15
	D2	8.5	1.38	16
	D3	23	2.82	11
	E1	16.5	2	18
	E2	29	2.05	19
Fungal cyclins	CLB1-2	55	1.57	9
	CLB3-4	68	5.11	7
	CLB5-6	90	1.6	5
	CDC13	41	4.18	11

*R_m - the branch length characteristic, R_v - the branch length variance characteristic (see Methods).