6.3.2.61	?	x * 49000, calculated from amino acid sequence	
6.3.2.61	?	x * 40000, SDS-PAGE	
6.3.2.61	?	x * 49600, SDS-PAGE	
6.3.2.61	multimer	x * 8000 + x * 50000 + x * 32000, SDS-PAGE