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In 1990, after more than 15 years of effort, he became the first to use it to produce a picture of a protein, bacteriorhodopsin, that was as detailed as X-ray crystallography can provide.

In 1990, after more than 15 years of effort, he became the first to use it to produce a picture of a protein, bacteriorhodopsin, that was as detailed as those X-ray crystallography can provide.

Then in 1990, after 15 years’ work refining sample preparation and electron detection, Henderson succeeded in using an electron microscope to create an image of a large bacterial cell membrane protein called bacteriorhodopsin, and do it at atomic resolution.

Henderson took a major step forward when he placed a bacterial cell membrane containing millions of molecules called bacteriorhodopsin into an electron microscope.

X-ray crystallography was certainly king when biologist Richard Henderson arrived at the LMB in 1973 to study a protein called bacteriorhodopsin, which uses light energy to pump protons across a membrane.