PRF

The Protein Database

The Entrez Protein search and retrieval system contains protein entries that have been compiled from a variety of sources, including SwissProt, PIR, PRF, PDB, and translations from annotated coding re ...

PA-GOSUB

Protein sequences from model organisms, GO assignment and subcellular localization

Amino Acid Ontology

Amino Acid Ontology is an ontology of amino acids and their properties. It captures how biochemists talk about amino acids; that is, it is a conceptualisation of amino acids. This ontology smoothens o ...

IUPAC-IUB Joint Commission on Biochemical Nomenclature - Nomenclature and Symbolism for Amino Acids and Peptides

The Nomenclature and Symbolism for Amino Acids and Peptides, created by the IUPAC-IUB Joint Commission on Biochemical Nomenclature, formalizes the naming scheme for amino acids, non-peptide derivative ...

iPfam

A database of Pfam domain interactions

Protein Clusters

Related protein sequences (clusters)of Reference Sequence proteins encoded by complete genomes

LenVarDB

Database of length variantion in protein domains

InterDom

Putative protein domain interactions

CharProtDB

Experimentally Characterized Protein annotations

ProTeus

Signature sequences at the protein N- and C-termini

NRichD

Efficiency of protein remote homology detection methods depends on the dispersion of the protein sequence space and the availability of intermediate sequences between two related protein families. In ...

COMBREX

Computational Bridge to Experiments

MegaMotifbase

Structural motifs in protein families and superfamilies

SuperSite

Dictionary of binding sites in proteins

AAindex

AAindex is a database of amino acid indices and amino acid mutation matrices. An amino acid index is a set of 20 numerical values representing various physicochemical and biochemical properties of ami ...

PIR - Protein Information Resource

The Protein Information Resource (PIR) is an integrated public bioinformatics resource that supports genomic and proteomic research and scientific studies. PIR has provided many protein databases and ...

OPTIC

Orthologous and Paralogous Transcripts in Clades

ValidNESs

MALISAM

Manual alignments for structurally analogous motifs in proteins