Mitochondrially encoded cytochrome b pseudogene 9 (MTCYBP9)

Mitochondrially encoded cytochrome b pseudogene 9 (MTCYBP9) is a nuclear-encoded pseudogene similar to the functional mitochondrial gene MT-CYB, which encodes cytochrome b, a core component of the mitochondrial respiratory chain complex III. Pseudogenes like MTCYBP9 arise from the nuclear integration of fragments of mitochondrial DNA—these are often called nuclear mitochondrial DNA segments (NUMTs)[3]. Unlike functional genes, pseudogenes typically contain mutations (such as frameshifts and indels) preventing them from producing functional proteins. MTCYBP9, as with other cytochrome b pseudogenes, is not transcribed into a functional cytochrome b protein and does not participate in mitochondrial electron transport, ATP production, or other cellular processes. While occasionally such pseudogenes can complicate molecular identification methods (e.g., by being inadvertently amplified during PCR for mitochondrial genes), there is no evidence that MTCYBP9 is involved in human disease, drug response, or therapeutic targeting[3]. Summary: MTCYBP9 is not a therapeutic target and should not be confused with the true mitochondrial gene MT-CYB, which has established roles in cell bioenergetics and disease. MTCYBP9 is a pseudogene with no known biological or pharmacological significance[3][9].

Other names

MT-CYB pseudogene 9mitochondrially encoded cytochrome b pseudogene 9MTCYBP9

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