Gene Normal function Cancer in which gene is mutated
APC Scaffold protein, interacts with microtubules Colorectal
BRCA1 DNA repair, transcription factor Breast and ovarian
CDKN2A Regulates cell division Melanoma
NF1 GTpase activator Neurofibromatosis
p53 Regulates cell division Many types of cancer
RB Regulates cell division Retinoblastoma
Table 23.5: Some tumor-suppressor genes and their normal functions