Protein Families Database

**Semantic type:** Intellectual Product

**Definition:** Pfam is a large collection of multiple sequence alignments and hidden Markov models covering many common protein domains and families. For each family in Pfam you can 1) look at multiple alignments; 2) view protein domain architectures; 3) examine species distribution; 4) follow links to other databases; and 5) view known protein structures.

**Synonyms:** - Pfam