A disintegrin and metalloproteinase with thrombospondin motifs 3 is an enzyme that in humans is encoded by the ADAMTS3gene.[1][2] The protein encoded by this gene is the major procollagen II N-propeptidase.[2]
This gene encodes a member of the ADAMTS (a disintegrin and metalloproteinase with thrombospondin motifs) protein family. Members of the family share several distinct protein modules, including a propeptide region, a metalloproteinase domain, a disintegrin-like domain, and a thrombospondin type 1 (TS) motif. Individual members of this family differ in the number of C-terminal TS motifs, and some have unique C-terminal domains. The protein encoded by this gene is the major procollagen II N-propeptidase.[2]
Function
Because of the high similarity to ADAMTS2, the major substrate of ADAMTS3 had been erroneously assumed to be procollagen II.[3] However, ADAMTS3 appears largely irrelevant for collagen maturation but instead is required for the activation of the lymphangiogenic growth factor VEGF-C.[4] Hence, ADAMTS3 is essential for the development and growth of lymphatic vessels. The proteolytic processing of VEGF-C by ADAMTS3 is regulated by the CCBE1 protein.
Clinical significance
A deficiency of this protein may be responsible for dermatosparaxis, a genetic defect of connective tissues.[2]
Some hereditary forms of lymphedema are caused by mutations in ADAMTS3.[5][6]
References
↑Tang BL, Hong W (February 1999). "ADAMTS: a novel family of proteases with an ADAM protease domain and thrombospondin 1 repeats". FEBS Letters. 445 (2–3): 223–5. doi:10.1016/S0014-5793(99)00119-2. PMID10094461.
↑Brouillard P, Dupont L, Helaers R, Coulie R, Tiller GE, Peeden J, Colige A, Vikkula M (November 2017). "Loss of ADAMTS3 activity causes Hennekam lymphangiectasia-lymphedema syndrome 3". Human Molecular Genetics. 26 (21): 4095–4104. doi:10.1093/hmg/ddx297. PMID28985353.
Further reading
Tang BL (January 2001). "ADAMTS: a novel family of extracellular matrix proteases". The International Journal of Biochemistry & Cell Biology. 33 (1): 33–44. doi:10.1016/S1357-2725(00)00061-3. PMID11167130.
Martel-Pelletier J, Welsch DJ, Pelletier JP (December 2001). "Metalloproteases and inhibitors in arthritic diseases". Best Practice & Research. Clinical Rheumatology. 15 (5): 805–29. doi:10.1053/berh.2001.0195. PMID11812023.
Hirohata S (November 2001). "[ADAMTS family--new extracellular matrix degrading enzyme]". Seikagaku. The Journal of Japanese Biochemical Society. 73 (11): 1333–7. PMID11831030.
Hurskainen TL, Hirohata S, Seldin MF, Apte SS (September 1999). "ADAM-TS5, ADAM-TS6, and ADAM-TS7, novel members of a new family of zinc metalloproteases. General features and genomic distribution of the ADAM-TS family". The Journal of Biological Chemistry. 274 (36): 25555–63. doi:10.1074/jbc.274.36.25555. PMID10464288.
Colige A, Vandenberghe I, Thiry M, Lambert CA, Van Beeumen J, Li SW, Prockop DJ, Lapiere CM, Nusgens BV (February 2002). "Cloning and characterization of ADAMTS-14, a novel ADAMTS displaying high homology with ADAMTS-2 and ADAMTS-3". The Journal of Biological Chemistry. 277 (8): 5756–66. doi:10.1074/jbc.M105601200. PMID11741898.
External links
The MEROPS online database for peptidases and their inhibitors: M12.220
