Table 1

SNP genotyping
SNP position	refSNP ID	Patient 1	Patient 2	Patient 3	Patient 4

41205658	rs7630377	ECN	ECN	ECN	ECN
41209520	rs9859392	ECN	ECN	ECN	ECN
41218746	rs3915129	ECN	NI	ECN	ECN
41237448	rs13072632	ECN	ECN	ECN	ECN
41243358	rs11564447	ECN	ECN	NI	ECN
41262697	rs9824212	ECN	ECN	ECN	ECN
41268711	rs1880480	ECN	ECN	ECN	ECN

Constitutional DNA and parathyroid adenoma DNA with CTNNB1 mutation S37A from 4 pHPT patients were genotyped with the GeneChip 500 K Mapping Array Set. The CTNNB1 gene is located between positions 41216016 and 41256928 http://genome.ucsc.edu. ECN, equal copy number. NI, non-informative.
Björklund et al. Molecular Cancer 2008 7:53 doi:10.1186/1476-4598-7-53