Heterobifunctional isotope‐labeled amine‐reactive photo‐cross‐linker for structural investigation of proteins by matrix‐assisted laser desorption/ionization tandem time‐of‐flight and electrospray ionization LTQ‐Orbitrap mass spectrometryFabian Krauth, Andrea Sinz, Christian Ihling et al.|Rapid Communications in Mass Spectrometry|2009Cited by 38