LC-MS analysis of (apo)flavodoxin.

Monomeric protein species are labelled M. Molecular masses of NBD-Cl and NBD are 199.6 and 164.1 Da, respectively. Expected mass and measured mass are average masses.单体蛋白物种（monomeric protein species）标记为M。NBD-Cl与NBD的分子质量分别为199.6 Da与164.1 Da。预期质量与实测质量均取平均质量。