1) Celtic boy name 2) Not Prot 3) Roman rel 
==Hierarchy== The name CATH is an acronym of the four main levels in the classification. CATH defines four classes: mostly-alpha, mostly-beta, alpha and beta, few secondary structures. In order to better understand the CATH classification system it is useful to know how it is constructed: much of the work is done by automatic methods, however ther...
Cathetar
Cathetar
Catheter