Figure 2. Cryo-EM of retroviral particles.

Figure 2

Cryo-EM of retroviral particles. The particles were visualized in vitrified aqueous medium without staining. (A and B courtesy of Elizabeth Kubalek, Patrick Brown, Alan Rein, and Mark Yeager. C courtesy of Stephen Fuller.) (A) Mature, wild-type Moloney murine leukemia virus (Mo-MLV). (B) Immature Mo-MLV particles from a protease-defective mutant. (C) Immature HIV-like particles obtained by expression of Gag protein in insect cells.

From: Purification, Composition, and Morphology of Virions

Cover of Retroviruses
Retroviruses.
Coffin JM, Hughes SH, Varmus HE, editors.
Cold Spring Harbor (NY): Cold Spring Harbor Laboratory Press; 1997.
Copyright © 1997, Cold Spring Harbor Laboratory Press.

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