Table 3.

Binding of PNA and GPNA (L-series) to ribosomal A-site model RNA hairpins (Figure 7).^a

Entry	PNA	Sequence	M. Tuberculosis (HRP6)	H. Sapiens (HRP5)
1	PNA10	NH2-CCCTGCTT	1.2 (1.7)	0.4 (2.0)
2	GPNA10	NH2-CCCTL-ArgTL-ArgGCT	0.5 (2.9)	2.8 (5.0)
3	PNA11	NH2-CCTGCTT	0.2 (1.1)	0.04 (0.9)
4	PNA12	NH2-CTGCTT	0.2 (1.6)	0.06 (0.9)
5	GPNA12	NH2-CTL-ArgGCTT	0.4 (1.8)	0.8 (2.1)
6	GPNA13	NH2-CTL-ArgGCTL-ArgT	2.9 (8.0)	8.1 (8.8)
7	PNA13	NH2-CCCTPCTT	1.5 (1.1)	NBb
8	PNA14	NH2-CCCTPexCTT	2.0 (1.1)	NBb

^aAverage association constants K_a × 10⁶ M⁻¹ in sodium acetate buffer, pH 5.5; binding order is given in parenthesis.

^bNo binding, K_a < 10³ M⁻¹.