 In addition to the software package, the HMMER search function is available in the form of a web server.The service facilitates searches across a range of databases, including sequence databases such as UniProt, SwissProt, and the Protein Data Bank, and HMM databases such as Pfam, TIGRFAMs and SUPERFAMILY.The four search types phmmer, hmmsearch, hmmscan and jackhmmer are supported (see Programs).