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Chimaerin 2 is a protein expressed in the brain and pancreas with two isoforms, measuring 468 and 332 amino acids in length with weights of approximately 54 and 38 kDa respectively. Chimaerin 2 functions as a GTP-ase activating protein for p21-rac, and a deficiency in this protein could lead to tumor progression. Current studies are being done on several diseases and disorders related to this protein including b-cell lymphomas, schizophrenia, sleeping sickness, insulin resistance, diabetic retinopathy, malignant glioma, nephropathy, spasticity, astrocytoma, and breast cancer. Chimaerin 2 has also been shown to have interactions with BAG6, NCK1, RAC1, ERBB3, and EIF3C in pathways such as the Rho GTPase cycle, signal transduction, and regulations of RAC1 activity pathways.
