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BioTool

Proteins & structures

14 resources · Find protein functions and expression, structures and predictions.

UniProt

Look up protein sequences, functions and annotations.
Protein information
Database

InterPro

Analyze protein families, domains and functional sites.
Protein information
Database / online tool

Human Protein Atlas

Explore human protein expression and tissue and cell localization.
Protein information
Database

RCSB PDB

Find and view three-dimensional structures of biological macromolecules.
Structure search & prediction
Database / browser

AlphaFold DB

Look up existing predicted protein structures.
Structure search & prediction
Predicted structure database

AlphaFold Server

Submit tasks for biomolecular structure prediction.
Structure search & prediction
Online tool

SWISS-MODEL

Build protein homology models.
Structure search & prediction
Online tool

ExPASy ProtParam

Estimate protein molecular weight, isoelectric point and other properties.
Protein properties
Online tool

BRENDA

Find enzymes, substrates, reactions and enzyme-related literature.
Enzymology
Database

CATH

Explore protein structural domains and superfamily classifications.
Structure classification
Database

EMDB

Access cryo-electron microscopy and related three-dimensional density maps.
Electron microscopy structures
Database

UCSF ChimeraX

Visualize and analyze molecular structures, density maps and other 3D data.
Structure visualization
Desktop software

PyMOL

Visualize molecular structures and prepare three-dimensional figures.
Structure visualization
Desktop software

Foldseek Search

Search for similar protein structures using a query structure.
Structure similarity search
Online tool