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The function of the normal BCR gene product is as a GTPase-activating protein for RAC1 and CDC42.  Promotes the exchange of RAC or CDC42-bound GDP by GTP, thereby activating them.  The protein has serine/threonine kinase activity.  (1)
 
The function of the normal BCR gene product is as a GTPase-activating protein for RAC1 and CDC42.  Promotes the exchange of RAC or CDC42-bound GDP by GTP, thereby activating them.  The protein has serine/threonine kinase activity.  (1)
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By far the most prevalent BCR alteration associated with cancer are the fusions of the BCR gene with the ABL1 gene. A reciprocal translocation between chromosome 22 (BCR locus) and chromosome 9 (ABL1 locus) produces the Philadelphia chromosome t(9;22)(q34.1;q11.2), which is prevalent in Chronic Myeloid Leukemia (1, 2) and to a lesser extent in B-cell Acute Lymphoblastic Leukemia and T-cell Acute Lymphoblastic Leukemia. The head to tail arrangement of the BCR-ABL1 fusion gene results in an activated tyrosine kinase activity (6).
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By far the most prevalent BCR alteration associated with cancer are the fusions of the BCR gene with a number of parters, but especially with the ABL1 gene. A reciprocal translocation between chromosome 22 (BCR locus) and chromosome 9 (ABL1 locus) produces the Philadelphia chromosome t(9;22)(q34.1;q11.2), which is prevalent in Chronic Myeloid Leukemia (1, 2) and to a lesser extent in B-cell Acute Lymphoblastic Leukemia and T-cell Acute Lymphoblastic Leukemia. The head to tail arrangement of the BCR-ABL1 fusion gene results in an activated tyrosine kinase activity (6).
    
Mention that is haas coiled coil domain and prob. aggregates as Fusion BRC-ABL1.
 
Mention that is haas coiled coil domain and prob. aggregates as Fusion BRC-ABL1.
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