Extended inner membrane complex (IMC) protomer structure (TrwM/VirB3-TrwK/VirB4-TrwI/VirB6-TrwG/VirB8-TrwE/VirB10) from the fully-assembled R388 type IV secretion system determined by cryo-EM.
8rtb is a 9 chain structure with sequence from Escherichia coli. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.