The Best REFOLDdb Alternatives in 2026

protocols.io supports creating, sharing, and discovering research methods and workflows, with tools for organizing protocols and team collaboration.

OrtholugeDB provides orthology predictions for sequenced bacterial and archaeal genomes, using Ortholuge and reciprocal best-hit methods.

EMDataResource archives and retrieves three-dimensional electron microscopy structures, with data standards, validation methods, and related tools.

RCSB PDB supports searching, visualizing, downloading, and analyzing protein structures and related sequence, structure, and function data.

Search and browse CATH's database classifying protein structures, with options to find a protein structure.

Search BioGRID's online repository of protein, chemical, and genetic interaction data.

UniPROBE supports searching protein-binding microarray data by protein, domain, species, or publication.

The Integrated Interactions Database lets users search interaction data by gene or protein identifiers and organism.

UniProtKB/Swiss-Prot is the reviewed section of UniProtKB, with manually annotated protein sequences and experimental information.

InnateDB catalogs genes, proteins, experimentally verified interactions, and pathways involved in innate immune responses to infection.

The Worldwide Protein Data Bank manages the public archive of 3D structures for proteins, nucleic acids, and complex assemblies.

EMAGE provides searchable gene and protein records with filters for specimens, annotations, data sources, assays, and anatomy terms.

The SWISS-MODEL Repository contains annotated 3D protein structure models generated by a homology-modelling pipeline.

VirHostNet integrates and curates virus-host protein interaction data for reproducible systems-level analysis and visualization.

APID catalogs agile protein interactions and includes a coronavirus interaction dataset.

The Human Protein Atlas organizes protein information across tissues, brain, cells, blood, disease, structure, and interaction resources.

The PlaBi database covers crop plants and Arabidopsis, including sequence data for protein-coding genes.

TheCellVision presents studies and datasets on cell compartment morphology, protein localization, and image-based annotation.

Wiki-Pi supports searching human protein interactions and browsing disease-related interaction networks.

PSnpBind catalogs protein variants and their effects on protein-ligand binding affinity.

The Candida Genome Database provides curated genomic, protein, phenotype, literature and sequence information.

The Robert Koch Institute's Research Data Centre collects research data used in scientific projects and published in journals.

The Nordicana D collection provides researchers with freely accessible longitudinal datasets published by the Centre for Northern Studies.

Shinkenchiku-data lets subscribers search and view architectural projects published in Shinkenchiku magazines using project-focused filters.