Table 2.

Primers used for site-directed mutagenesis to produce Cys to Ser mutants

	Primers:
C89S	For: 5’ CTTCTACGAGGATTTCCTGTCTCCGGCGTGCGGCATATTC 3’
	Rev: 5’ GAATATGCCGCACGCCGGAGACAGGAAATCCTCGTAGAAG 3’
C92S	For: 5’ GAGGATTTCCTGTGTCCGGCGTCCGGCATATTCGAGCGCGGTTCGG 3’
	Rev: 5’ CCGAACCGCGCTCGAATATGCAGGCCGCCGGACACAGGAAATCCTC 3’
C140S	For: 5’ CTGCTGCGGCTTATTCCGTTGCCGACGAATC 3’
	Rev: 5’ GATTCGTCGGCAACGGAATAAGCCGCAGCAG 3’
C192S	For: 5’ CAAGGTGCCCGACTCCATCAACAGCGGCAAG 3’
	Rev: 5’ CTTGCCGCTGTTGATGGAGTCGGGCACCTTG 3’