locus-tag	class	description
JavanS619_0020	IPR011010	DNA breaking-rejoining enzyme, catalytic core
JavanS619_0020	IPR013762	Integrase-like, catalytic domain superfamily
JavanS619_0020	IPR002104	Integrase, catalytic domain
JavanS619_0020	IPR010998	Integrase/recombinase, N-terminal
JavanS619_0020	IPR004107	Integrase, SAM-like, N-terminal