C9orf72-SMCR8 complex subunit
Last updated 5 Jul 2022
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The C9orf72 gene provides instructions for making a protein that is found in various tissues. The protein is abundant in nerve cells (neurons) in the outer layers of the brain (cerebral cortex) and in specialized neurons in the brain and spinal cord that control movement (motor neurons). The C9orf72 protein is thought to be located at the tip of the neuron in a region called the presynaptic terminal. This area is important for sending and receiving signals between neurons.
Normal function
The C9orf72 gene provides instructions for making a protein that is found in various tissues. The protein is abundant in nerve cells (neurons) in the outer layers of the brain (cerebral cortex) and in specialized neurons in the brain and spinal cord that control movement (motor neurons). The C9orf72 protein is thought to be located at the tip of the neuron in a region called the presynaptic terminal. This area is important for sending and receiving signals between neurons.
The C9orf72 protein likely plays a role in many processes involving the chemical cousin of DNA, known as RNA. This protein is thought to influence the production of RNA from genes, the production of proteins from RNA, and the transport of RNA within the cell.
The C9orf72 gene contains a segment of DNA made up of a series of six DNA building blocks (nucleotides), four guanines followed by two cytosines (written as GGGGCC). This segment (known as a hexanucleotide repeat) can occur once or be repeated multiple times in a row; estimates suggest repeats of up to 30 times have no negative effect on gene function.
Conditions referring to this gene or chromosome
Other names
CI072_HUMAN
MGC23980
uncharacterized protein C9orf72
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Further reading and references
- C9orf72-SMCR8 complex subunit; MedlinePlus, National Library of Medicine.
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