AGAP2 and glioblastoma: We thank Özgün Babur of Bilkent University for his work on the BioPAX interaction converter, Lawrence A. Donehower of Baylor College of Medicine for reviewing the manuscript and providing valuable input regarding AGAP2, Wei Qing Wang at MSKCC for contributions to the curated GBM network, Cameron Brennan at MSKCC for expertise on glioblastoma biology and the TCGA Research Network and NIH staff for a generous collaborative enterprise and production of rich datasets.