Table 4. Oligonucleotides used in this study.

Oligonucleotides	Sequence (5’ to 3’)
42N truncation CKβ-NdeI-5’	GAATTCCATATGCGTGACGCCGAGCGCC
S39ACKβ-AscI-5’	AAAACGGCGGCGCGCCGCGTCGCTGTCGCGTG
S40ACKβ-AscI-5’	AAAACGCCGGCGCGCCTCGGCGCTGTCGCGTGACG
S42ACKβ-AscI-5’	AAAACGGCGGCGCGCCTCGTCGCTGGCGCGTGACGCCG
S39AS42ACKβ-AscI-5’	AAAACGGCGGCGCGCCGCGTCGCTGGCGCGTGACGCCG
S40AS42ACKβ-AscI-5’	AAAACGGCGGCGCGCCTCGGCGCTGGCGCGTGACGCCG
S39AS40ACKβ-AscI-5’	AAAACGGCGGCGCGCCGCGGCGCTGTCGCGTGACG
S39DS40DCKβ-AscI-5’	AAAACGGCGGCGCGCCGATGATCTGTCGCGTGACG
CKβ-BamHI-3’	CGCGGATCCTCAGGATGAGGAGTGGACACTGG