3jb3 is a 5 chain structure with sequence from Bombyx mori cypovirus 1. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
CAPSD_CPVBM Capsid protein self-assembles to form an icosahedral capsid with a pseudo T=2 symmetry, about 50 nm in diameter, and consisting of 120 capsid proteins. The capsid encapsulates the genomic RNA.