Structural highlights
FunctionMIA_HUMAN Elicits growth inhibition on melanoma cells in vitro as well as some other neuroectodermal tumors, including gliomas. Evolutionary Conservation Check, as determined by ConSurfDB. You may read the explanation of the method and the full data available from ConSurf. Publication Abstract from PubMedMelanoma inhibitory activity (MIA) is a 12-kDa protein that is secreted from both chondrocytes and malignant melanoma cells. MIA has been reported to have effects on cell growth and adhesion, and it may play a role in melanoma metastasis and cartilage development. We report the 1.4-A crystal structure of human MIA, which consists of an Src homology 3 (SH3)-like domain with N- and C-terminal extensions of about 20 aa. each. The N- and C-terminal extensions add additional structural elements to the SH3 domain, forming a previously undescribed fold. MIA is a representative of a recently identified family of proteins and is the first structure of a secreted protein with an SH3 subdomain. The structure also suggests a likely protein interaction site and suggests that, unlike conventional SH3 domains, MIA does not recognize polyproline helices. Structure of melanoma inhibitory activity protein, a member of a recently identified family of secreted proteins.,Lougheed JC, Holton JM, Alber T, Bazan JF, Handel TM Proc Natl Acad Sci U S A. 2001 May 8;98(10):5515-20. Epub 2001 May 1. PMID:11331761[1] From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine. References
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