PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 18761457-5 2008 Plotting the fragment ion abundances for ions formed from precursors with fewer than 11 water molecules as a function of hydration extent results in an energy resolved breakdown curve from which the appearance energies of the b 2 (+), y 2 (+), z 2 (+*), c 2 (+), and (KYK + H) (+) fragment ions formed from this peptide ion can be obtained; these values are 78, 88, 42, 11, and 9 kcal/mol, respectively. Water 88-93 complement C2 Homo sapiens 254-257