Acetivibrio thermocellus	gene pfl, strain 27405	672873	
Archaeoglobus fulgidus	-	736285	
Archaeoglobus fulgidus	a hyperthermophile, gene pfl2	675371	
Chlamydomonas reinhardtii	-	674782	
Chlamydomonas reinhardtii	strain CC-125 and cell wall-less strain CC-277	686477	
Clostridium beijerinckii	ATCC 14823	487218	
Clostridium butyricum	-	487222, 487234	
Clostridium butyricum	ATCC 19398	487218, 487219	
Clostridium butyricum	DSM552	14931	
Clostridium butyricum DSM 552	DSM552	14931