Biology:MIB1 (gene)

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A representation of the 3D structure of the protein myoglobin showing turquoise α-helices.
Generic protein structure example

E3 ubiquitin-protein ligase MIB1 is an enzyme that in humans is encoded by the MIB1 gene.[1] It is involved in regulating apoptosis.[2]

Confusion with proliferative marker

An antibody directed at the protein Ki-67, a product of the MKI67 gene, is called MIB-1.[3] The MIB1 gene, which regulates apoptosis, should not be confused with the MIB-1 antibody, which is used to measure Ki-67 expression.


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Further reading