1.1.99.20	dimer	2 * 58800, SDS-PAGE	
1.1.99.20	monomer	1 * 72000, SDS-PAGE	
1.1.99.20	tetramer	4 * 57000, Flavobacterium sp. No.203, SDS-PAGE	
1.1.99.20	tetramer	4 * 60000, mixed culture of Flavobacterium sp. and Pseudomonas sp., SDS-PAGE