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50.0 MB (1.6 MB compressed)
4180 x 4180 pixels
35.3 x 35.3 cm ⏐ 13.9 x 13.9 in (300dpi)
LAGUNA DESIGN / SCIENCE PHOTO LIBRARY LAGUNA DESIGN / SCIENCE PHOTO LIBRARY
Potassium channel molecule. Computer model showing the structure of a bacterial potassium channel with four units arranged around an axis going through the first (and only visible) of four potassium ions (big purple sphere). From Bacillus cereus.
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