3iyh is a 6 chain structure with sequence from Salmonella virus P22. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
CAPSD_BPP22 Assembles to form an icosahedral capsid with a T=7 symmetry.
Evolutionary Conservation
Checkto colour the structure by Evolutionary Conservation, as determined by ConSurfDB. You may read the explanation of the method and the full data available from ConSurf.