TruSeq DNA and RNA CD Indexes

Combinatorial dual (CD) index adapters (formerly TruSeq HT).

A-tailing is performed before adapter ligation. For example, the additional A base is in parentheses in the i7 adapter, as follows.

Index 1 (i7) Adapters

(A)GATCGGAAGAGCACACGTCTGAACTCCAGTCAC[i7]ATCTCGTATGCCGTCTTCTGCTTG