We detected 24 p53 mutations in 15/25 ( 60 % ) NMSCs , 1 deletion and 23 base substitutions , the majority ( 78 % ) being UV-specific C to T transitions at bipyrimidine sites .
O O O B-GeneOrGeneProduct O O O O O O O B-DiseaseOrPhenotypicFeature O O O O O O O O O O O O O O O O B-SequenceVariant I-SequenceVariant I-SequenceVariant O O O O O