Desulfitobacterium hafniense	-	690746, 705880, 714264, 727525, 727925	
Desulfitobacterium hafniense	a strictly anaerobic bacterium	673691	
Desulfitobacterium hafniense	gene pylS	676218	
Escherichia coli	-	727524, 727678	
Methanocaldococcus jannaschii	-	716190	
Methanosarcina acetivorans	-	706527	
Methanosarcina acetivorans	gene pylS	676083	
Methanosarcina barkeri	-	704197, 715267, 727525, 727925, 728142, 744388, 745929	
Methanosarcina barkeri	gene pylS	673677, 676141, 676766, 716337	
Methanosarcina barkeri	strains Fusaro and MS, gene pylS	673691	
Methanosarcina barkeri Fusaro / DSM 804	gene pylS	676766	
Methanosarcina barkeri str. Fusaro	-	692360	
Methanosarcina mazei	-	690734, 693638, 716190, 726549, 726589, 727286, 727315, 727522, 728143, 744388	
Methanosarcina mazei	a methanogenic archeon, strain JCM9314	671091	
Methanosarcina mazei	gene pylS	676882	
Methanosarcina mazei ATCC BAA-159 / DSM 3647 / Goe1 / Go1 / JCM 11833 / OCM 88	-	744388	
Methanosarcina mazei DSM 3647	-	726549, 726589, 727286, 727522	
Methanosarcina sp.	-	744700	
Methanosarcina thermophila	gene pylS	673691