Protein Viewer
Every protein folds into a 3D shape that fits its job. These models come from real experiments stored in the Protein Data Bank.
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Reading the model
Ribbon view shows the protein backbone: coils are alpha helices and flat arrows are beta sheets. Each color is a separate chain (polypeptide). Small molecules such as heme are drawn as sticks. Sticks and space-filling views show every atom. Drag to rotate, pinch or scroll to zoom.
Structures and data from the RCSB Protein Data Bank (wwPDB data are CC0). Viewer: 3Dmol.js (BSD 3-Clause). See Credits & Licenses.