This entry represents the long non-catalytic N-terminal region in PI4K proteins. This region forms a large alpha solenoid structure [1].

1: Architecture of the human PI4KIIIalpha lipid kinase complex. Lees JA, Zhang Y, Oh MS, Schauder CM, Yu X, Baskin JM, Dobbs K, Notarangelo LD, De Camilli P, Walz T, Reinisch KM; Proc Natl Acad Sci U S A. 2017;114:13720-13725. PMID:29229838