Browse by PDBi ID

Enter a standard 4-character PDB ID (e.g., 1B9T) to access a detailed structure summary. The page provides information such as organism source, deposition details, experimental method, resolution, macromolecular components, and associated annotations.

Search by Sequence

Paste a protein or nucleic acid sequence (FASTA format recommended) to identify matching or similar PDB entries using sequence similarity search. This feature helps users discover experimentally determined structures related to their sequence of interest.

Browse by Function

Explore structural entries classified using Gene Ontology (GO) terms:

• Molecular Function
• Biological Process
• Cellular Component

This enables functional exploration of biomolecular structures in a biologically meaningful context.

Browse by Domain

Navigate through structures organized by SCOPe structural classification categories such as:

• All-alpha proteins
• All-beta proteins
• Alpha/Beta (α/β) proteins
• Membrane proteins
• Other structural classes

Visual icons are provided for intuitive and quick structural class identification.

Browse by Species

Filter structural entries by major taxonomic groups, including:

• Archaea
• Bacteria
• Humans
• Mice
• Yeast
• Other organisms

This feature facilitates organism-specific structural analysis and exploration.