Table 3. Summary of BPPS results for five superfamilies.

Superfamily	Subgroup	# Sequences	% Identity*	# Nodes in subtree	Minimum subtree size
GNAT		237,359	98	44	200
	Gna1 family	1243		1
GTPases		127,418	95	121	500
	R4 family	18,901		26
	Rab subfamily	7002		12
	Rab8 sub-subfamily	3.312		7
	TF family	25,224		10
	EFTu/CysN subfamily	4429		3
Helicases		131,321	98	47	300
	RNA helicases	36,788		8
EEP		45,799	99	166	100
	exoIII-AP-endo	13,711		47
	INPP5	3855		14
TDG/UDG		23,592	98	47	100
	TDG	1639		6
	UDG	376		1

^*The maximum % identity allowed between any two sequences in the set.