Cancer Protein Description

This report provides a detailed description of a selected cancer protein with information collected from various sources, including UniProt, the Wellcome Trust Sanger Institute’s Catalogue of Somatic Mutations in Cancer (COSMIC), and the Atlas of Genetics and Cytogenetics in Oncology and Haematology.


Protein Name: MATK
Gene Name: MATK
Protein Full Name: Megakaryocyte-associated tyrosine-protein kinase
Alias: EC 2.7.1.112; EC 2.7.10.2; HYL; MATK
Mass (Da): 56469
Number AA: 507
UniProt ID: P42679
Locus ID: 4145
COSMIC ID: MATK
Gene location on chromosome: 19p13.3
Cancer protein type: UNCLEAR
Effect of cancer mutation on protein: UNCLEAR
Effect of active protein on cancer: UNCLEAR
Number of cancer specimens: 20065
Percent of cancer specimens with mutations: 0.55
Normal role description: MATK is a non-receptor protein tyrosine kinase involved in signalling in hematopoietic cells. MATK has been found to inhibit Src family kinases which inhibits T-cell proliferation. Mis-sense mutations have been identified in colorectal, ovarian, stomach and breast cancers but their functional effect is not well characterized. Due to MATK's antiproliferative activities, it may function as a tumour suppressor protein.
Commentary on involvement of protein in cancer: Less than 3% mutations in large intestine, and skin cancers.


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