arg-cys substitution at codon 1246 of the human myosin Va gene is not associated with Griscelli syndrome.

Abstract excerpt

Myosin Va is an actin-associated motor protein involved in organelle transport such as melanosomes and neuron synaptic vesicles and has always been proposed as the candidate gene for the autosomal recessive Griscelli-Pruniéras syndrome, one of the silvery hair syndromes, which is a lethal disease combining immunodeficiency and neurologic and pigmentary abnormalities. Thus far, two mutations in the myosin Va gene...

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