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. Author manuscript; available in PMC: 2010 Apr 17.
Published in final edited form as: ACS Chem Biol. 2009 Apr 17;4(4):299–307. doi: 10.1021/cb800313m

Table 2.

Structure-based analyses of 4-4-3-12 and 4-4-2-12 for inhibition of precursor self-splicing. Submonomers were either sequentially deleted or replaced with 11.

Sequence R1,R2,R3 IC50 (µM)
4-4-3-12 158 ± 14
4-4-3-10 533 ± 58
4-4-3 633 ± 153
4-4-2-12 97 ± 49
4-4-2-10 338 ± 88
4-4 733 ± 115
3 >5,000
11-4-3-12 >5,000
4-11-3-12 1,333 ± 144
11-4-2-12 1,083 ± 227
4-11-2-12 1,233 ± 252
4-4-11-12 767 ± 153
TBTA >5,000