procapsid

pro·cap·sid

(prō-kap'sid),
A protein shell lacking a virus genome.

pro·cap·sid

(prō-kap'sid)
A protein shell lacking a virus genome.
References in periodicals archive ?
Another example where MSA and classification has revealed variations in the size of a large complex is the study of the bacteriophage SPP1 procapsids (Figure 5(c)) where three large size differences were visible on the micrograph [19].
(c) A representative micrograph showing the heterogeneity of the SPP1 bacteriophage procapsids where different sizes are clearly seen [19].