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===adaptor ligation=== Prepare adaptors (need to be done only for the first time): 100uM PE-t: 20ul 100uM PE-b: 20ul 10x stoffel buffer: 10ul H2O: 50ul 94C for 3 min, and then cool down to 20C at the rate of 0.1C/sec. commonly used adaptors: Blunt-end adaptors: 5’NH2- ACACTCTTTCCCTACACGACGCTCTTCCGATCT-3’OH Solexa_1_up 3’NH2-ATGTGAGAAAGGGATGTGCTGCGAGAAGGCTAGA-5’OH Solexa_1_lo_nop TA adaptors (for the one adaptor protocol): 5- CAAGCAGAAGACGGCATACGAGCTCTTCCGATCT-3’OH PE_t_adapter 3-CTTCTGCCGTATGCTCGAGAAGGCTAG-5’Phos t_adaptor_rc_s regular Y adaptor: PE_t_adaptor(top) ACACTCTTTCCCTACACGACGCTCTTCCGATC*T 3'-Phosphorothioate bond PE_b_adaptor(bottom) \\5phos\\GATCGGAAGAGCGGTTCAGCAGGAATGCCGAG 5'-phosphorylation Set up ligation reaction. Note that the ATP in the Quick Ligase buffer hydrolyzes very quickly after several rounds of freeze/thaw cycles, so it’s a good idea to make small aliquots of a fresh tube of Quick Ligase Buffer, and use one small aliquot each time. adaptor:target molar ratio is 1:15 A-tailed DNA 10 ul for CVF, 3ul for CViB, CD1 PGP1 ips, and PGP1F 8 20uM Y adaptor 3 ul 5X Quick ligase buffer 10 ul Quick Ligase 3 ul H2O 24 ul for CVF, 31ul for CViB, CD1 PGP1 ips, and PGP1F 8 Incubate at room temperature for 15 minutes purify the product with Agencourt AMpure kit and elute in 40ul ddH2O
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