native top-down MS data of human protamines collected on orbitrap fusion lumos. Samples were collected from different patient populations, namely normal, asthenozoospermia, and oliogoasthenozoospermia
Electrospray ionization (ESI) quadrupole ion trap mass spectrometry (QIT-MS) and collisionally activated dissociation (CAD) were used to evaluate the rare-earth binding properties of two hydrophobic c