Result: The two others, LDA173 and LDA339, displayed the lamivudine resistance triple mutation rtV173L, rtL180M, rtM204V/I which causes the concomitant amino acid substitutions E164D/G and I195M in the small S protein (Table 3).
Genotyping and virological characteristics of hepatitis B virus in HIV-infected individuals in Sudan.
PMID: 25449246
2014
International journal of infectious diseases
Abstract: The following mutations in the S region could account for the HBsAg negativity: sM133T, sE164G, sV168G, and sS174N.
Hepatitis B surface antigen variants in voluntary blood donors in Nanjing, China.