DSSP WebAssembly

DSSP In-Browser Analyzer

Upload a .pdb or .cif file to calculate secondary structure assignments locally via WebAssembly.

DSSP Configuration Flags

Output Format (--output-format) Classic DSSP (.dssp) Annotated mmCIF (.cif)

Input Format (--input-format) Auto-detect from extension Force PDB Force mmCIF / PDBx

--classic (Strict Kabsch-Sander conventions) --quiet (Suppress verbose warnings)

Loading WebAssembly module and dictionaries...

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Posts

• The Oxygen Apocalypse: how symmetry saves us from the flames 02 Apr 2026
• Blue Fire and Yellow Brimstone: the world's waning appetite for hellish sulfur 18 Jan 2026
• From Muck to Mauve: the creation of modern dyes from coal tar 05 Nov 2025
• Nitrogen fixation: artificial lightning, bird poop, and how kudzu grew out of control 14 Jun 2023
• The chemistry behind bioluminescence 15 Apr 2023

Pages

• Interactive Code Demos
• Tags
• Apache License
• GNU GENERAL PUBLIC LICENSE