Unstructured region on APC between 1st and 2nd catenin-bdg motifs
APC_u5 is a short region of natively unstructured sequence lying between the first and the second 15-residue beta-catenin binding motifs, APC_15aa, pfam05972, on APC or adenomatous polyposis coli proteins in higher eukaryotes. The function is not known.
Jiyao W et al.(2023). "The conserved domain database in 2023.",