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. 2017 Apr 3;8:14861. doi: 10.1038/ncomms14861

Table 1. K d values of CID–CTD and RRM–RNA interactions.

Domain Mutant Ligand Kd
CID WT Double-repeat CTD >1,000 μM
CID WT Double-repeat S2P 23.4±2.7 μM
CID WT Double-repeat S5P 83.7±12.6 μM
CID WT Double-repeat S7P 241.8±28.7 μM
RRM cleaved WT RNA: AUUAGUAAAA 1.84±0.63 μM
SUMO-RRM WT RNA: AUUAGUAAAA 1.72±0.06 μM
SUMO-RRM R392E RNA: AUUAGUAAAA 3.33±0.53 μM
SUMO-RRM K402A RNA: AUUAGUAAAA 2.49±0.33 μM
SUMO-RRM Y404A RNA: AUUAGUAAAA unstable protein
SUMO-RRM T407A RNA: AUUAGUAAAA unstable protein
SUMO-RRM R428E RNA: AUUAGUAAAA 2.87±0.85 μM
SUMO-RRM F445A RNA: AUUAGUAAAA >1,000 μM
SUMO-RRM K447D/A RNA: AUUAGUAAAA unstable protein
SUMO-RRM F449A RNA: AUUAGUAAAA 1.99±0.19 μM
SUMO-RRM R450A RNA: AUUAGUAAAA 1.91±0.71 μM
SUMO-RRM R472E RNA: AUUAGUAAAA 17.8±27.5 μM
SUMO-RRM F479A RNA: AUUAGUAAAA unstable protein
SUMO-RRM D486K/A RNA: AUUAGUAAAA unstable protein
SUMO-RRM F487A RNA: AUUAGUAAAA 25.6±15.7 μM
SUMO-RRM S492A RNA: AUUAGUAAAA 4.20±0.56 μM
SUMO-RRM R504E RNA: AUUAGUAAAA 2.37±0.17 μM