Hair keratin
Encyclopedia
Hair keratin is a type of keratin
found in hair
and nails
. There are two types of hair keratin:
Keratin
Keratin refers to a family of fibrous structural proteins. Keratin is the key of structural material making up the outer layer of human skin. It is also the key structural component of hair and nails...
found in 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 nails
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....
. There are two types of hair keratin:
- the acidic type I hair keratinType I hair keratinType I hair keratin is one of the two types of hair keratin. It is an acidic protein which heterodimerizes with type II hair keratins to form hair and nails....
- 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,
- type I hair keratin 5,
- type I hair keratin 6,
- type I hair keratin 7,
- type I hair keratin 8,
- the basic type II hair keratinType II hair keratinType 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....
.- type II hair keratin 1,
- type II hair keratin 2,
- type II hair keratin 3,
- type II hair keratin 4,
- type II hair keratin 5,
- type II hair keratin 6,
External links
- http://www.expasy.org/spotlight/snapshot/2006/05/hair_keratin.shtml