. Author manuscript; available in PMC: 2020 Jul 1.

Published in final edited form as: Chembiochem. 2019 May 27;20(13):1693–1700. doi: 10.1002/cbic.201900037

Table 1.

Data for ^7mGppp-RNAs 1–4 and RNAs with hypermethylated caps 5–7.

N°	RNA 5′-sequences-3′	Length	Calc (m/z) ^[a]	Found^[a]
1	^7mGpppAUAU	4-mer	1726.97	1726.97
2	^7mGpppAGUUGUUAGUCUACGUGG	18-mer	6268.63	6268.90
3	^7mGpppA_mGUUGUUAGUCUACGUGGA	19-mer	6611.86	6612.97
4	^7mGppp^6mA_mCACUUGCUUUUGACACAACU	21-mer	7124.21	7123.15
5	^2m,7mGpppAUAU	4-mer	1741.00	1741.26
6	^2m,2m,7mGpppAUAU	4-mer	1755.02	1755.22
7	^2m,2m,7mGppp^6mA_mCACUUGCUUUUGACACAACU	21-mer	7152.26	7152.32
8	^7mGpppGAUC	4-mer	1741.99	1741.70

^[a]

MALDI-TOF characterization in negative mode [M⁺-2H]⁻