Collision-induced-dissociation ESI-FTICR mass spectrum of tripeptide (Gly-Gly-His)

1
Collision-induced-dissociation ESI-FTICR mass
spectrum of tripeptide (Gly-Gly-His)
MGly-Gly-His
M-H-
His-C2NH4-
His-COOH-
His-H-
100
2
Collision-induced-dissociation ESI-FTICR mass
spectrum of Cu2 bind tripeptide (Gly-Gly-His)
MGly-Gly-HisCu(II)3H aM-CO2- ba-CH2CHNH2
- cb-CONH-
3
Table S1
Ions Ion Concentration Peak Current (nA)
Ni(II) 10 pM 22.4 -6.5
Cr(III) 50 mM 24.1 0.5
Zn(II) 0.5M 22.9 -4.1
Ba(II) 1 mM 23.4 -2.1
Pb(III) 1 mM 24.0 0.4
Co(II) 1 mM 22.8 -4.6
Hg(II) 10 mM 23.7 -0.8
Fe(III) 10 mM 23.8 -0.5
Ca(II) 10 mM 22.9 -4.2
Cd(II) 1 mM 23.0 -3.8

Cu(II) 9.8 pM 23.9 -