HIV capsid protein

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HIV capsid protein

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HIV matrix protein The HIV particle
A hexamer of CA protein. From coordinate file 3H4E.

Lentivirus particles are distinguished by the presence of a bullet-shaped capsid (orange) assembled from monomers of the viral capsid protein (CA). The cone is a hollow "fullerene cone" built up from CA hexamers assembled together with twelve CA pentamers.[1]















  1. Ganser BK, Li S, Klishko VY, Finch JT, Sundquist WI. 1999. Assembly and Analysis of Conical Models for the HIV-1 Core. Science 283: 80-83.