9.12 Retrovirus反转录病毒 Surface envelope protein RNA Transmembrane Enzymes envelope protein (reverse transcriptase, integrase, protease) Lipid membrane bilayer Core shell protein Core protein (a) 2012Pw Chen Feng,Shanghai Jiao Tong UniversityChen Feng, Shanghai Jiao Tong University 9.12 Retrovirus 反转录病毒