efam: an expanded, metaproteome-supported HMM profile database of viral protein families. - Ahmed A. Zayed; Dominik Lücking; Mohamed Mohssen; Dylan Cronin; Ben Bolduc; Ann C. Gregory; Katherine R. Hargreaves; Paul D. Piehowski; Richard Allen White III; Eric L. Huang; Joshua N. Adkins; Simon Roux; et al. (Bioinform., 2021)