>all spd1 variants	
ATGAAATTATCTAAACAAAAGGCAAGTTTGCTTACCGCTGTTTTACTGTTACTTTCTCTT

>all spd3 variants (except spd3v6)
ATGTCTAAATCAAATCGTCGTACTTGGCAAGGTTTAGTTGTTATTTTAATAGCTATTCTC

>spd3v6
ATGTCTAAAGCAAATCGTCGTATTTGGCAAGGTTTAGCTGTCATTTTAATAGCTATAATA

>all spd4 variants
ATGAACAACATAAGATTACGTAAATTTATTTCTAGCATATTTCTAATTCTTCTAATATCA

>all sdn variants
ATGTCTAAAAAGCTTAGAAACTCTCTCGCCAGAATAGTTGTTGCAGCATTCGCATCATTT

>all sda variants
TGACATGTCTGCTGGCTATCGTGAAAAATGGGAAAGCAAACCAGAGCCAAGTGGGTGGTA