Synthesis of Specifically Modified Oligonucleotides for Application in Structural and Functional Analysis of RNA

Table 4

Masses of the synthetic RNAs determined by MALDI-TOF-MS (linear negative-ion mode, found M = [M−H]⁻).

Sequence	Cal. mass	Found mass	Δm	Error (%)
L2-TEST	2677.73	2675.99	0.77	0.027
2-L3-A	2585.63	2583.99	0.64	0.024
8-L1-A	2526.53	2525.96	0.43	0.017
A1L1	8041.95	8040.41	0.53	0.010
A1L2	8155.03	8153.15	0.88.	0.011
A1L3	8039.93	8039.23	0.30	0.003
A2L1	8041.95	8044.29	3.36	0.040
A2L3	8039.93	8041.17	2.24	0.030
D1L1	8098.93	8098.62	0.69	0.010
D1L2	8212.03	8211.46	0.43	0.005
D1L3	8096.93	8099.73	3.80	0.040