2 1 1 http://purl.obolibrary.org/obo/GO_0008026 ATP-dependent helicase activity 'ATP-dependent helicase activity' SubClassOf 'purine NTP-dependent helicase activity' 'ATP-dependent helicase activity' SubClassOf 'helicase activity' http://purl.obolibrary.org/obo/GO_0070035 purine NTP-dependent helicase activity 'purine NTP-dependent helicase activity' SubClassOf 'helicase activity' http://purl.obolibrary.org/obo/FYPO_0006850 abnormal cell cycle arrest in mitotic G2 phase following single cell division during nitrogen starvation 'abnormal cell cycle arrest in mitotic G2 phase following single cell division during nitrogen starvation' SubClassOf 'abnormal cell cycle arrest in mitotic G2 phase during nitrogen starvation' http://purl.obolibrary.org/obo/GO_0070035 purine NTP-dependent helicase activity 'purine NTP-dependent helicase activity' SubClassOf 'helicase activity'