단백질 ≫ 단백질종류 ≫ 콜라겐

콜라겐 종류   

콜라겐 조성 및 합성과정

Over 20 types if collagen known
- Collagen 1 : skin,,tendon, vascular, ligature, organs,bone
- Collagen 2 : cartilage (main component of cartilage)
- Collagen 3 : reticulate (main component of reticular fibers)
- Collagen 4 : forms bases of cell basement membrane
- Collagen 5 : cells surfaces, hair and placenta
- 섬유성 단백질(fibrous protein) : 피부, 뼈, 연골, 혈관벽, 치아, 근육을 구성하는 경단백질(albuminoid)
- 약 10,000개 이상의 아미노산 잔기를 가진  거대 섬유성 단백질이다.

Fibrils – long triple helices
I.     Skin, tendon, bone, dentin
II.    Cartilage and vitreous humor
III.   Skin, muscles, blood vessels (frequently found with type I)
V.    Fetal tissues, placenta, interstitial tissues
XI.   Cartilage

Fibril associated – interrupted triple helices
IX.    Cartilage, vitreous, humor
XII.   Embryonic skin and tendons
XIV.  Fetal skin and tendons

Fibril associated -- beaded
VI.    Most interstitial tissues

Sheets
IV.     All basal laminae
VIII.   Endothelial cells,
X.      Cartilage growth plate