Question: is this a 2) strong advice, 1) weak advice 0) no advice?

Pursuing this clue, we sequenced SCN4A encoding the skeletal muscle sodium channel (Nav1.4) and detected two heteroallelic mutations involving conserved residues not present in 400 normal alleles: S246L in the S4/S5 cytoplasmic linker in domain I, and V1442E in the S3/S4 extracellular linker in domain IV. 
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This is no advice
assistant