tetrapeptide英,tɛtrə'pɛptɪd美,tɛtrə'pɛptɪdBNC⁹⁷²³³⁺⁷ 基本例句 n.生化四肽 These data suggest that for unknown reasons there is a drift from GPGR to GPGQ of the tetrapeptide on the V3-loop tip of local HIV strains with times. 这些数据提示,当地流行的 HIV毒株 V3环顶端的四肽在过去几年中由 GPGR向 GPGQ漂移,其原因尚不清楚。 cnki