Type III secretion basal body protein I, YscI, HrpB, PscI
T3SS_basalb_I represents a family of Gram-negative type III secretion basal body proteins I. It is the inner rod protein of the secreted needle. YscI is suggested to form a rod that allows substrate passage across the inner membrane of the needle protein YscF through it.
Jiyao W et al.(2023). "The conserved domain database in 2023.",