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. 2009 Oct 22;37(22):7715–7727. doi: 10.1093/nar/gkp730

Table 3.

Melting temperatures of DNA duplexes in the presence and the absence of coralyne (Supplementary Figure S18)

Name Sequence Tm (°C) w/o coralyne Tm (°C) with coralyne
(A·B) 5′-_______AAAAAAAA_______-3′ 34.5 63.0
3′-_______AAAAAAAA_______-5′

One substitution

(1A·B) 5′-_______AAAA7AAA_______-3′ 34.5 59.5
3′-_______AAAAAAAA_______-5′
(A·1B) 5′-_______AAAAAAAA_______-3′ 33.5 59.0
3′-_______AAAA7AAA_______-5′

Two substitutions

(2A·B) 5′-_______AA7A7AAA_______-3′ 33.5 59.0
3′-_______AAAAAAAA_______-5′
(A·2B) 5′-_______AAAAAAAA_______-3′ 32.5 59.5
3′-_______AA7A7AAA_______-5′
(A·3B) 5′-_______AAAAAAAA_______-3′ 33.5 58.0
3′-_______AAA7A7AA_______-5′
(A·4B) 5′-_______AAAAAAAA_______-3′ 34.5 58.5
3′-_______AAA77AAA_______-5′
(1A·1B) 5′-_______AAAA7AAA_______-3′ 33.5 59.0
3′-_______AAAA7AAA_______-5′

Three substitutions

(1A·2B) 5′-_______AAAA7AAA_______-3′ 33.0 55.0
3′-_______AA7A7AAA_______-5′
(1A·3B) 5′-_______AAAA7AAA_______-3′ 33.0 53.0
3′-_______AAA7A7AA_______-5′
(1A·4B) 5′-_______AAAA7AAA_______-3′ 34.5 51.5
3′-_______AAA77AAA_______-5′
(2A·1B) 5′-_______AA7A7AAA_______-3′ 33.0 53.5
3′-_______AAAA7AAA_______-5′

Four substitutions

(2A·2B) 5′-_______AA7A7AAA_______-3′ 34.0 50.0
3′-_______AA7A7AAA_______-5′
(2A·3B) 5′-_______AA7A7AAA_______-3′ 34.0 50.0
3′-_______AAA7A7AA_______-5′
(2A·4B) 5′-_______AA7A7AAA_______-3′ 34.0 50.5
3′-_______AAA77AAA_______-5′
(3A·B) 5′-_______AA7777AA_______-3′ 34.5 53.5
3′-_______AAAAAAAA_______-5′

Five substitutions

(3A·1B) 5′-_______AA7777AA_______-3′ 34.0 52.0
3′-_______AAAA7AAA_______-5′
(3A·2B) 5′-_______AA7777AA_______-3′ 34.0 45.5
3′-_______AA7A7AAA_______-5′
(3A·3B) 5′-_______AA7777AA_______-3′ 35.5 48.0
3′-_______AAA7A7AA_______-5′
(3A·4B) 5′-_______AA7777AA_______-3′ 34.5 48.0
3′-_______AAA77AAA_______-5′

7 = 7-deaza-deoxyadenosine. All sequences have the same flanking Watson–Crick base-paired regions. For example, (A·B) is the duplex formed by oligos A and B:

A = 5′-GACCCGCAAAAAAAACCTCGCC-3′; B = 3′-CTGGGCGAAAAAAAAGGAGCGG-5′