1.3.1.13	-	390556	
1.3.1.13	Ni-NTA column chromatography	740113	
1.3.1.13	Ni-NTA column chromatography, and Superdex 200 gel filtration	740420	
1.3.1.13	partially	390557	
1.3.1.13	strain 23055, partially	390560