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. 2017 Nov 21;46(2):905–916. doi: 10.1093/nar/gkx1167

Table 2. Affinity of substrate RNAs binding to H/ACA RNPs.

Guide RNA Substrate RNA Proteins K D, nM
snR34 5′ substrate Cbf5p–Nop10p–Gar1p–Nhp2p 53 ± 22
snR34 3′ substrate Cbf5p–Nop10p–Gar1p–Nhp2p 100 ± 30
snR5 5′ substrate Cbf5p–Nop10p–Gar1p–Nhp2p 160 ± 50
snR5 3′ substrate Cbf5p–Nop10p–Gar1p–Nhp2p 330 ± 70
snR34 5′ substrate Cbf5p–Nop10p–Gar1p 50 ± 20
snR34 3′ substrate Cbf5p–Nop10p–Gar1p 90 ± 20
snR34 Δ H box 3′ substrate Cbf5p–Nop10p–Gar1p–Nhp2p 90 ± 30
snR34 Δ ACA box 3′ substrate Cbf5p–Nop10p–Gar1p–Nhp2p 150 ± 30

The dissociation constants (KD) of substrate RNA binding to reconstituted H/ACA RNPs was determined by nitrocellulose filtration (Figure 4).