Aeropyrum pernix	-	726887	
Aeropyrum pernix DSM 11879	-	726887	
Methanothermobacter thermautotrophicus	-	704559	
Pyrococcus furiosus	-	704559	
Saccharolobus solfataricus	-	726887	
Saccharolobus solfataricus P2	-	726887