Different levels of variability in subtypes 1b and 4a of hepatitis C viruses.

Abstract excerpt

We performed genetic and phenic analyses to evaluate nucleotide and amino-acid sequences of the amino-terminus of the E1 protein of HCV genotype 1b (extracted from databank) and 4a (characterised in this study). The non-synonymous (ka) mutation analysis demonstrated that the genome of genotype 1b was not saturated by variations, with a rate of transition/transversion (s/v) of 1.5, which is similar to the expected...

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