For Pygo2, the genomic sequences used for PCR were: GCCTGGGTTGCTTGTCTTCTG and CCACCTTACTTGTGTGTGAGGATACATAC, CCAAGTCCCAGCATCTCTTAC and CCAGTCATACCAGCAACAAG, and exon sequences TGGGTGCTGGGAACAGAAC and CAACAACAACAGAAGACAAGC.