FACIT collagen

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FACIT collagen (Fibril Associated Collagens with Interrupted Triple helices[1]) is a type of collagen which is also a proteoglycan.[2]

FACIT collagens include collagen types IX, XII, XIV, XIX,[2] and XXI.[3][4]

COL22A1 is also included in this class.[5]


  1. ^ GO term: FACIT collagen
  2. ^ a b FACIT - Collagens which are proteoglycnas
  3. ^ Fitzgerald J, Bateman J (2001). "A new FACIT of the collagen family: COL21A1". FEBS Lett. 505 (2): 275–80. doi:10.1016/S0014-5793(01)02754-5. PMID 11566190.
  4. ^ Tuckwell D (2002). "Identification and analysis of collagen alpha 1(XXI), a novel member of the FACIT collagen family". Matrix Biol. 21 (1): 63–6. doi:10.1016/S0945-053X(01)00176-7. PMID 11827793.
  5. ^ Koch, M.; Schulze, J.; Hansen, U.; Ashwodt, T.; Keene, DR.; Brunken, WJ.; Burgeson, RE.; Bruckner, P.; Bruckner-Tuderman, L. (May 2004). "A novel marker of tissue junctions, collagen XXII". J Biol Chem. 279 (21): 22514–21. doi:10.1074/jbc.M400536200. PMC 2925840. PMID 15016833.