This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
PDB ntu EBI. Membrane and cell surface proteins and peptides Family proteincoupled receptorlike Family proteincoupled receptorlike Bacteriorhodopsinlike Bacteriorhodopsin EBI ntu November Bacteriorhodopsin Files uploaded by Nichalp's script
Page 2023 Free-images.com. All images are Public Domain