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. 1999 Sep 28;96(20):11200–11205. doi: 10.1073/pnas.96.20.11200

Table 5.

Results of complementation studies of wild-type (WT) M1 RNA and tetraloop mutants

pSelM1 Complementation
WT ++++
L3m ++++
L9m
L9A111m +
L12m ++++
L14m
L18m

The mutants are classified by their ability to complement E. coli NHY322 A49 at 43°C; ++++, indicates complementation of NHY322, A49; +, partial complementation; −, does not complement.