Missense variant

Missense variant
Term	Missense variant
Short definition	missense variant - (pronounced) (MIS-sens VAYR-ee-unt) A change in the DNA sequence of a gene that results in an amino acid (protein building block) being replaced by an amino acid other than the usual amino acid at that position in the gene. Some missense variants have little or no effect on the protein's function, while others can alter the protein's function.
Type	Cancer terms
Specialty	Oncology
Language	English
Source	NCI
Comments

missense variant - (pronounced) (MIS-sens VAYR-ee-unt) A change in the DNA sequence of a gene that results in an amino acid (protein building block) being replaced by an amino acid other than the usual amino acid at that position in the gene. Some missense variants have little or no effect on the protein's function, while others can alter the protein's function. Also called missense mutation

External links

• Medical encyclopedia article on Missense variant
• Wikipedia's article - Missense variant

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