Type I hair keratin
Encyclopedia
Type I hair keratin is one of the two types of hair keratin
. It is an acidic protein
which heterodimerizes with type II hair keratin
s to form hair
and nail
s.
Hair keratin
Hair keratin is a type of keratin found in hair and nails. There are two types of hair keratin:* the acidic type I hair keratin**type I hair keratin 1, **type I hair keratin 2, **type I hair keratin 3A, **type I hair keratin 3B, **type I hair keratin 4,...
. It is an acidic protein
Protein
Proteins are biochemical compounds consisting of one or more polypeptides typically folded into a globular or fibrous form, facilitating a biological function. A polypeptide is a single linear polymer chain of amino acids bonded together by peptide bonds between the carboxyl and amino groups of...
which heterodimerizes with type II hair keratin
Type II hair keratin
Type II hair keratin is one of the two types of hair keratin. It is a basic protein which heterodimerizes with type I hair keratins to form hair and nails....
s to form hair
Hair
Hair is a filamentous biomaterial, that grows from follicles found in the dermis. Found exclusively in mammals, hair is one of the defining characteristics of the mammalian class....
and nail
Nail (anatomy)
A nail is a horn-like envelope covering the dorsal aspect of the terminal phalanges of fingers and toes in humans, most non-human primates, and a few other mammals. Nails are similar to claws, which are found on numerous other animals....
s.