May participate in a redox cascade for the formation of disulfide bonds in viral proteins. Binds 1 Zn(2+) ion. Monomer (By similarity). Homodimer (By similarity). Interacts with protein B119L (By similarity). Interacts with membrane protein E248R (By similarity). Expressed in the early phase of the viral replicative cycle. Belongs to the asfivirus A151R family.