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