AntiFam is a database of spurious protein families that have been removed from Pfam due to incorrect hidden Markov model prediction.

Prefix
antifam
Keywords
family and domain databases
Links
Homepage Request Discussion
Publications
2012 AntiFam: a tool to help identify spurious ORFs in protein annotation
Identifier Standards
Pattern for Local Unique Identifiers

Local identifiers in AntiFam should match this regular expression:
^ANF\d{5}$

Example Local Unique Identifier
ANF00001   Resolve
Pattern for CURIES

Compact URIs (CURIEs) constructed from AntiFam should match this regular expression:
^antifam:ANF\d{5}$

Example CURIE
antifam:ANF00001
Ontology

A summary of the relations in the Bioregistry schema can be found here.

In Collection (1)
Biocuration Conference 2025 Collection
Mappings to External Registries

Mappings from records in Bioregistry to external registries comprises the metaregistry. This resource has 1 mapping to an external registry.

Registry Name Registry Metaprefix External Prefix Curate
UniProt UniProt Cross-ref database logo uniprot DB-0275
Providers

A provider turns a local unique identifiers from a resource into a URI. Many providers are also resolvable as URLs (i.e., they can be used in a web browser).

The local unique identifier ANF00001 is used to demonstrate the providers available for AntiFam. Some providers may use a different example, which is displayed in the table below. A guide for curating additional providers can be found here.

Provider Name Provider Code URI
AntiFam antifam https://www.ebi.ac.uk/interpro/entry/antifam/ANF00001
Bioregistry bioregistry https://bioregistry.io/antifam:ANF00001