Metalloprotease that participate in microfibrils assembly. Microfibrils are extracellular matrix components occurring independently or along with elastin in the formation of elastic tissues.
Autosomal recessive and autosomal dominant forms of Weill-Marchesani syndrome, an inherited connective tissue disorder, are caused by mutations in ADAMTS10 (encoding a secreted metalloprotease) and FBN1 (encoding fibrillin-1, which forms tissue microfibrils), respectively, yet they are clinically indistinguishable. This genetic connection prompted investigation of a potential functional relationship between ADAMTS10 and fibrillin-1. Specifically, fibrillin-1 was investigated as a potential ADAMTS10 binding partner and substrate, and the role of ADAMTS10 in influencing microfibril biogenesis was addressed. Using ligand affinity blotting and surface plasmon resonance, recombinant ADAMTS10 was found to bind to fibrillin-1 with a high degree of specificity and with high affinity. Two sites of ADAMTS10 binding to fibrillin-1 were identified, one toward the N terminus and another in the C-terminal half of fibrillin-1. Confocal microscopy and immunoelectron microscopy localized ADAMTS10 to fibrillin-1-containing microfibrils in human tissues. Furin-activated ADAMTS10 could cleave fibrillin-1, but innate resistance of ADAMTS10 zymogen to propeptide excision by furin was observed, suggesting that, unless activated, ADAMTS10 is an inefficient fibrillinase. To investigate the role of ADAMTS10 in microfibril biogenesis, fetal bovine nuchal ligament cells were cultured in the presence or absence of ADAMTS10. Exogenously added ADAMTS10 led to accelerated fibrillin-1 microfibril biogenesis. Conversely, fibroblasts obtained from a Weill-Marchesani syndrome patient with ADAMTS10 mutations deposited fibrillin-1 microfibrils sparsely compared with unaffected control cells. Taken together, these findings suggest that ADAMTS10 participates in microfibril biogenesis rather than in fibrillin-1 turnover.
Catalysis of the hydrolysis of internal, alpha-peptide bonds in a polypeptide chain by a mechanism in which water acts as a nucleophile, one or two metal ions hold the water molecule in place, and charged amino acid side chains are ligands for the metal ions.
Interacting selectively and non-covalently with any protein or protein complex (a complex of two or more proteins that may include other nonprotein molecules).
Evidence
1:
Inferred from Physical InteractionUniProtKB
Autosomal recessive and autosomal dominant forms of Weill-Marchesani syndrome, an inherited connective tissue disorder, are caused by mutations in ADAMTS10 (encoding a secreted metalloprotease) and FBN1 (encoding fibrillin-1, which forms tissue microfibrils), respectively, yet they are clinically indistinguishable. This genetic connection prompted investigation of a potential functional relationship between ADAMTS10 and fibrillin-1. Specifically, fibrillin-1 was investigated as a potential ADAMTS10 binding partner and substrate, and the role of ADAMTS10 in influencing microfibril biogenesis was addressed. Using ligand affinity blotting and surface plasmon resonance, recombinant ADAMTS10 was found to bind to fibrillin-1 with a high degree of specificity and with high affinity. Two sites of ADAMTS10 binding to fibrillin-1 were identified, one toward the N terminus and another in the C-terminal half of fibrillin-1. Confocal microscopy and immunoelectron microscopy localized ADAMTS10 to fibrillin-1-containing microfibrils in human tissues. Furin-activated ADAMTS10 could cleave fibrillin-1, but innate resistance of ADAMTS10 zymogen to propeptide excision by furin was observed, suggesting that, unless activated, ADAMTS10 is an inefficient fibrillinase. To investigate the role of ADAMTS10 in microfibril biogenesis, fetal bovine nuchal ligament cells were cultured in the presence or absence of ADAMTS10. Exogenously added ADAMTS10 led to accelerated fibrillin-1 microfibril biogenesis. Conversely, fibroblasts obtained from a Weill-Marchesani syndrome patient with ADAMTS10 mutations deposited fibrillin-1 microfibrils sparsely compared with unaffected control cells. Taken together, these findings suggest that ADAMTS10 participates in microfibril biogenesis rather than in fibrillin-1 turnover.
Enzyme which catalyzes hydrolysis reaction, i.e. the addition of the hydrogen and hydroxyl ions of water to a molecule with its consequent splitting into two or more simpler molecules.
A reference proteome is a set of protein sequences derived from a complete proteome which constitutes a defined standard for a particular user community. Reference proteomes are manually defined according to a number of criteria. They cover the proteomes of well- studied model organisms and other proteomes of interest for biomedical and biotechnological research. Reference proteomes have been selected to provide broad coverage of the tree of life, and constitute a representative cross-section of the taxonomic diversity to be found within UniProtKB.
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