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Pathogenic Vibrio cholerae remains a major human health concern. V. cholerae has a characteristic curved rod morphology, with a longer outer face and a shorter inner face. The mechanism and function of this curvature were previously unknown. Here, we identify and characterize CrvA, the first curvature determinant in V. cholerae. CrvA self-assembles into filaments at the inner face of cell curvature...
Retroviral reverse transcriptases (RTs) have both DNA polymerase and ribonuclease H (RNase H) activities. The RT of human immunodeficiency virus type-1 (HIV-1) is composed of two subunits. The p51, which is the smaller subunit, shares with the larger p66 subunit the same amino-terminal part (which encompasses the DNA polymerase domain) and lacks the carboxyl-terminal segment of the p66 (which is the...
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