Table 1.
Variants Identified in the Human HCN1 Gene
| Location | Nucleotide | Amino acid | dbSNP | Frequency of minor allele in: |
|
|---|---|---|---|---|---|
| Patients n=82 | Controls n=50 | ||||
| Nonsynonymous | |||||
| Exon 1 | c.124C>T | p.P42S | ss73757979 | 0.21 | 0.13 |
| c.187_195del | p.G63_G65del | ss73757931 | 2.4 | ND | |
| c.193_201del | p.G65_G67del | ss73757936 | 2.4 | ND | |
| c.202_210del | p.G68_G70del | ss73757939 | 1.2 | ND | |
| c.202_207del | p.G68_G69del | ss73757941 | 1.2 | ND | |
| Exon 8 | c.2641G>A | p.A881T | ss73757981 | 0.21 | 0.03 |
| Synonymous and intronic variants | |||||
| Exon 6 | c.1521C>T | p.A507A | ss73757962 | 0.62 | ND |
| Intron 7 | c.1783+7dupT | NA | ss73757966 | 1.22 | 0.0 |
Nucleotide positions based on GenBank Accession Number AF488549. The translational start site of HCN1 is considered to be nucleotide position 1.
n=260;
n=84;
n=510; Del, deletion; Ins, insertion; NA, not applicable; ND, not determined.