1.18.6.2	?	x * 50000 plus x * 55000, SDS-PAGE	
1.18.6.2	?	x * 53793, subunit VnfD, x * 52724, subunit VnfK, x * 13274, subunit vnfG, calculated	
1.18.6.2	dimer	2 * 32000, SDS-PAGE, isolated iron-subunit