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. Author manuscript; available in PMC: 2011 Oct 25.
Published in final edited form as: N Engl J Med. 2009 Aug 5;361(11):1058–1066. doi: 10.1056/NEJMoa0903840

Table 2.

Tier 1 Mutations.*

Annotated Gene Mutation Type Annotation SIFT Prediction Conservation Score Base Conservation Variant Frequency Best Probe
Skin Tumor % cDNA
CDC42 Missense S30L Tolerated 597 1 1.03 49.27 46.3 27,990

NRAS Missense G12D Deleterious 616 1 0.66 43.00 42.0 7,468

IDH1 Missense R132C Deleterious 445 1 0.81 46.06 63.9 11,400

IMPG2 Missense G834D Deleterious 472 0.018 0.67 46.22 0.4 NA

ANKRD26 Missense K1300N Deleterious 444 1 0.70 51.73 33.1 514

LTA4H Missense F107S Tolerated 539 0.946 0.68 45.28 47.9 12,138

FREM2 Missense Q2077E Tolerated 464 1 0.37 48.92 0 NA

C19orf62 Splice-site Exon 5-1 NA 444 1 0.27 38.71 38.8 5,021

SRRM1 Silent P691 NA 553 0.988 0.97 46.61 ND 12,858

PCDHA6 Silent A731 NA NS 0.423 0.66 49.75 ND Absent

CEP170 In-frame insertion Codon 177 in-frame ins L NA 513 1 0.28 28.57 52.0 15,298

NPM1 Frame-shift insertion W288fs NA 689 1 0 45.46 85.4 27,150
*

The term cDNA denotes complementary DNA, ins L insertion of Leu, NA not available, ND not done, NS no score, and SIFT Sorting Intolerant from Tolerant.

The best probe refers to the signal value for the most highly expressed probe on the Affymetrix GeneChip Human Genome U133 Plus 2.0 array, transformed by statistical algorithms (MAS 5.0).

The variant frequency was calculated from cDNA subclones.