Methanocaldococcus jannaschii	DSM 2661, gene MJ0438 or trm14	720590	
Methanocaldococcus jannaschii JAL-1	DSM 2661, gene MJ0438 or trm14	720590	
Pyrococcus furiosus	-	746421	
Pyrococcus furiosus	gene PF1002	720602	
Thermococcus kodakarensis	-	757106	
Thermus thermophilus	-	746421	
Thermus thermophilus	gene TTC1157	720602	
Thermus thermophilus DSM 7039	-	746421