3helical	4helical	C_type_lectin
DNA_bind	EF_hand	GAP-domain
Hatpase	SAM-domain	TNF
ZnF	b-grasp	beta-trefoil
cohesin	concovalin	death
defensin	dsRBD	gelsolin
histone	immunoglobulin	knot
knottin	kringle	lambda_rep
ob-fold	periplasmic	ph
ras	rhod	ser_thr_phos