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乙型肝炎患者血清中含有一种42nm的 Dane颗粒,在其核中有一个双链环状DNA分子,分子量约为2×10~6,其中的一股链有一个大小不定的缺口和一个内源性DNA依赖性DNA聚合酶,此酶在体外反应中可填补这个缺口。鉴于乙型肝炎病毒(HBV)只能感染人和类人猿
Hepatitis B serum contains a 42 nm Dane particle with a double-stranded circular DNA molecule in its core with a molecular weight of about 2 × 10 -6, one strand of which has an indefinite gap and an inner The source of DNA-dependent DNA polymerase, this enzyme in the in vitro response to fill this gap. Hepatitis B virus (HBV) can only infect humans and apes