3.7.1.7	28800	-	predicted molecular mass	685112	
3.7.1.7	30000	-	determined by SDS-PAGE	685112	
3.7.1.7	35000	-	2 * 35000, SDS-PAGE	675823	
3.7.1.7	35000	-	x * 35000, recombinant OPH, SDS-PAGE	720162	
3.7.1.7	40000	-	-	657866	
3.7.1.7	40610	-	deduced from amino acid sequence	287796	
3.7.1.7	70000	-	gel filtration	675823