Species Assignments | Mass (M0) Calculated | MALDI (M+) | ESI (M-) | ||||||
---|---|---|---|---|---|---|---|---|---|
Observed | Area | Observed | Area | Charges | |||||
% | % | ||||||||
DS DNA | 7292.8 | 7292.1 | 3.8 | ||||||
DS deA | 7175.8 | 7175.2 | 1.5 | ||||||
DS deA deA | 7058.8 | 7058.2 | 0.9 | ||||||
SS DNA + [A-HL-A]+ | 4485.1 | 4485.2 | 0.6 | ||||||
SS-L-G + [Na+] * | 4389.3 | 4387.1 | 0.6 | ||||||
SS-L-G | 4367.3 | 4368.2 | 1.0 | 4367.6 | 0.1 | 6 | |||
SS-L-A | 4351.3 | 4349.9 | 2.3 | 4349.2 | 0.5 | 5,4 | |||
SS DNA + [HO-HL-OH]+ | 4250.6 | 4250.8 | 0.6 | 4251.1 | 0.3 | 5 | |||
SS-L-OH | 4234.2 | 4233.0 | 0.8 | 4232.1 | 0.1 | 5 | |||
SS DNA + 3[Na+] | 3711.7 | 3711.4 | 1.1 | 5,4 | |||||
UA | 3701.7 | 1.0 | |||||||
SS DNA + 2[Na+] | 3690.4 | 3689.5 | 3.8 | 7,6,5,4,3 | |||||
SS DNA + [K+] | 3684.4 | 3685.4 | 1.6 | 3683.5 | 1.5 | 7,6,5,4,3 | |||
SS DNA + [Na+] | 3668.5 | 3668.8 | 3.1 | 3667.5 | 15.1 | 8,7,6,5,4,3 | |||
SS DNA | 3646.4 | 3647.4 | 18.0 | 3645.4 | 33.8 | 8,7,6,5,4,3 | |||
SS deA + [K+] | 3567.4 | 3568.4 | 3.1 | ||||||
SS deA + [Na+] | 3551.4 | 3552.4 | 1.7 | 3550.5 | 1.8 | 6,5,4,3 | |||
SS deA β-elim + [Na+] | 3533.5 | 3533.1 | 2.1 | 7,6,5,4 | |||||
SS deA | 3529.4 | 3530.2 | 16.0 | 3528.4 | 2.5 | 7,6,5,4 | |||
SS deG | 3513.4 | 3514.6 | 2.8 | ||||||
SS deA β-elim | 3511.3 | 3510.7 | 8.5 | 8,7,6,5,4 | |||||
SS deG β-elim | 3495.3 | 3494.3 | 0.3 | 7 | |||||
UA | 3422.7 | 0.7 | |||||||
SS deA deG | 3396.3 | 3397.2 | 1.3 | ||||||
UA | 3384.8 | 1.7 | |||||||
RHF G4 | 2489.6 | 2490.7 | 1.0 | 2489.0 | 0.2 | 4 | |||
RHF A5 + [Na+] | 2198.4 | 2198.0 | 0.3 | 5 | |||||
RHF A5 | 2176.4 | 2177.0 | 1.5 | 2175.9 | 5.0 | 5,4,3,2 | |||
RHF A5—PO3 | 2096.4 | 2096.1 | 0.5 | 4 | |||||
RHF A6 + [Na+] | 1885.2 | 1885.1 | 0.4 | 2 | |||||
RHF A6 | 1863.2 | 1864.2 | 1.1 | 1862.8 | 8.5 | 5,4,3,2 | |||
[SS DNA]2+ | 1824.2 | 1824.7 | 2.8 | ||||||
RHF A6—PO3 | 1783.2 | 1782.8 | 0.7 | 3,2 | |||||
LHF A6 + PO3 | 1764.2 | 1766.2 | 3.0 | ||||||
LHF A6 β-elim + [Na+] | 1688.1 | 1688.0 | 0.2 | 3,2 | |||||
LHF A6 | 1684.1 | 1685.4 | 0.2 | ||||||
LHF A6 β-elim | 1666.1 | 1667.3 | 0.5 | 1665.8 | 1.2 | 3 | |||
LHF A6-sugar | 1568.1 | 1567.6 | 1.0 | 3 | |||||
UA | 1480.1 | 0.3 | 1478.7 | 0.5 | 2 | ||||
LHF A5 | 1371.0 | 1371.7 | 0.1 | ||||||
LHF A5 β-elim | 1353.0 | 1354.1 | 0.1 | ||||||
LHF A5—sugar | 1254.0 | 1254.6 | 0.2 | 1254.5 | 2.4 | 4,3 | |||
LHF A5—sugar-PO3 | 1174.8 | 1174.7 | 0.4 | 3 | |||||
A-L-G | 855.0 | 855.8 | 0.5 | ||||||
A-L-A | 838.7 | 839.8 | 9.1 | 838.7 | 11.8 | +2 | |||
UA | 754.4 | 12.3 | +2,+1 | ||||||
UA | 732.3 | 18.6 | +2,+1 | ||||||
G-L-OH | 737.9 | 739.9 | 5.4 | 738.4 | 31.1 | +2,+1 | |||
A-L-OH | 721.9 | 722.6 | 2.8 | 721.7 | 26.1 | +3,+2 | |||
UA | 678.1 | 3.0 | |||||||
HO-L-OH | 604.2 | 605.3 | 0.7 |
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DS, double-stranded; UA, unassigned peaks; deG, deguanylated, β-elim, β-elimination reaction.