Table 2. Summary of SNPs for exome captured samples and filter procedure.
Categories | III-10* | II-3 | IV-1 | III-14 (control) |
---|---|---|---|---|
Exome Capture Statistics | ||||
Target region (bp)(1) | 62085286 | 61988644 | 62085286 | 62085286 |
Raw reads | 92737976 | 138497858 | 145426084 | 139851618 |
Raw data yield (Mb) | 9465 | 11149 | 11707 | 11258 |
Reads mapped to genome | 93894979 | 140334153 | 147846058 | 142256214 |
Reads mapped to target region(2) | 53479844 | 82582631 | 87924642 | 82990685 |
Data mapped to target region (Mb) | 3677.14 | 5658.73 | 6019.33 | 5690.76 |
Coverage of target region (%) | 95.68 | 95.93 | 95.69 | 95.84 |
Average read length (bp) | 80.5 | 80.5 | 80.51 | 80.5 |
Fraction of target covered > = 10X (%) | 93.27 | 94.02 | 93.93 | 93.96 |
Fraction of target covered > = 20X (%) | 89.6 | 91.86 | 91.83 | 91.76 |
Fraction of target covered > = 30X (%) | 81.92 | 88.12 | 88.16 | 87.88 |
SNPs for exome capture | ||||
No. high-confidence genotypes | 115744429 | 115676179 | 113537889 | 114980456 |
Total number of SNPs | 85738 | 91309 | 89061 | 89972 |
Missense | 11032 | 11352 | 11127 | 11269 |
Nonsense | 127 | 144 | 143 | 143 |
Splice site(3) | 2498 | 2675 | 2651 | 2682 |
Synonymous-coding | 9600 | 9934 | 9792 | 9894 |
Hom | 36615 | 37234 | 37483 | 37668 |
Het | 49123 | 54075 | 51578 | 52304 |
Novel variants | ||||
Number not in dbSNP | 1287 | 1373 | 1358 | 1241 |
Number not in 1000 Genome and YH | 765 | 787 | 779 | 755 |
Missense | 624 | 631 | 632 | 610 |
Nonsense | 15 | 21 | 23 | 19 |
Splice site | 126 | 135 | 124 | 126 |
No. of genes presented in 3 affected patients but not in the normal family member III-14 | 32 | |||
Top-ranked detrimental effect of variants by three distinct programs (Polyphen2, SIFT and MutationTaster) | 15 | |||
No. of validated variants co-segregating with affected members | 1 |
*Index patient.
(1)Target regions refer to the regions that are actually covered by the designed probes.
(2)Reads mapped to target regions are reads that within or overlap with target region.
(3)Intronic SNPs within 10 bp of exon/intron boundary.