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. 2009 Sep 9;284(44):30718–30726. doi: 10.1074/jbc.M109.037812

TABLE 4.

Stoichiometry of BppL·DARPin complexes

Proteins Theoreticalmolecular weight Molecular weightmeasured by MALS/refractometry/SEC StoichiometryBppL3:DARPins
Da Da
BppL3 53,910 (3 × 17 970) 54,000
BppL3 + DARPin 18 53,910 + 14,795 63,627 1:1
BppL3 + DARPin 19 53,910 + 14,777 60,370 1:1
BppL3 + DARPin 20 53,910 + 14,716 61,618 1:1