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How is 3D structure determined?

Comparing 3 Primary Techniques

Table comparing experimental techniques for solving 3D biomolecular structure

Where do I find experimentally determined structures?

RCSB Protein Data Bank
NCBI’s Structure Database

NCBI's iCn3D

iCn3D, pronounced "I See in 3D", Structure Viewer is a web-based 3D viewer with structure analysis capabilities. The web-based nature of the tool means no downloads are needed to start visualzing and learning!

iCn3D Shortcuts and Help Docs:
List of iCn3D shortcuts

iCn3D features of interest:


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Last Reviewed: October 18, 2022