Tags: Protein.
Keratin type I cuticular Ha3-I is a protein that in humans is encoded by the KRT33A gene.The protein encoded by this gene is a member of the keratin gene family. It is one of the type I hair keratin genes which are clustered in a region of chromosome 17q12-q21 and have the same direction of transcription. As a type I hair keratin it is an acidic protein which heterodimerizes with type II keratins to form hair and nails.