Protein Domain : DNA-dependent protein kinase catalytic subunit, CC1/2 IPR046803

Type	Domain
Description	DNA-dependent protein kinase catalytic subunit (DNA-PKcs) is involved in DNA nonhomologous end joining (NHEJ) which is recruited by Ku70/80 heterodimer to DNA ends and required for double-strand break (DSB) repair. It folds into three well-defined large structural units, consisting of a N-terminal region, the Circular Cradle (consisting of five supersecondary α-helical structures CC1 to CC5), and the C-terminal Head (comprising FAT, FRB, kinase, and FATC). The N-terminal and CCs regions resemble HEAT repeats, and thus, they are also referred to as N-HEAT and M-HEAT ('middle'), respectively. The CCs form a curved elliptical ring that serves as a scaffold to maintain the integrity of the whole complex. This entry represents CC1 and CC2, which contain the Highly conserved region I (HCR-I) [ , , , ].
Short Name	DNAPKcs_CC1-2

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