Table 1.
Summary of genotype data contained in dbSNP
| Data set | Genotypes | SNPs | Populations | Individuals | Average SNP density | Reference |
|---|---|---|---|---|---|---|
| HAPMAP | 159,862,776 | 954,302 | 4 | 270 | 3149 | (International HapMap Consortium 2003) |
| PERLEGEN | 110,385,051 | 1,576,578 | 3 | 71 | 1938 | (Hinds et al. 2005) |
| Affymetrix | 6,189,466 | 125,778 | 6 | 116 | 24,029 | (Kennedy et al. 2003) |
| TSC | 4,932,382 | 19,048 | 17 | 1963 | 312,754 | (International SNP Map Working Group 2001) |
| EGP | 3,184,170 | 37,737 | 1 | 90 | 72,443 | (Livingston et al. 2004) |
| PGA/UW | 573,194 | 15,981 | 2 | 47 | 153,861 | (Crawford et al. 2004) |
| IIPGA | 176,162 | 3801 | 3 | 47 | 430,361 | (Innate Immunity PGA, http://innateimmunity.net/) |
| NIHPDR | 159,549 | 1982 | 1a | 448 | 1,419,125 | (Collins et al. 1998) |
| WICVAR | 33,240 | 1462 | 1 | 130 | 2,011,277 | |
| HG_BONN | 24,522 | 320 | 1 | 143 | 5,284,550 | (Freudenberg-Hua et al. 2003) |
a
The NIHPDR data contains a single mixed population.