SDHB bisulfite modified promoter sequence with primers indicated. SDHB MS-HRM (1) primer sequences are shown in boxes and SDHB MS-HRM (2) primers are underlined. SDHB MSP primer sequences are shaded in grey. CpG dinucleotides are in bold. The number in parentheses on the left is the nucleotide position relative to the starting codon ATG (shaded in black).