miscellaneous:There are two types of cytoskeletal and microfibrillar keratin: I (acidic; 40-55 kDa) and II (neutral to basic; 56-70 kDa).,PTM:Undergoes deimination of some arginine residues (citrullination).,similarity:Belongs to the intermediate filament family.,tissue specificity:Expressed exclusively in skin.,
cytoskeleton,intermediate filament,keratin filament,extracellular exosome,
Expressed exclusively in skin.