Image Gallery: Beta-galactosidase montage showing cryo-EM improvement--gradient background
ID
              5883
          Composite image of beta-galactosidase showing how cryo-EM’s resolution has improved dramatically in recent years. Older images to the left, more recent to the right. Related to image 5882. NIH Director Francis Collins featured this on his blog on January 14, 2016. 
      
					Source
              Veronica Falconieri, Sriram Subramaniam Lab, National Cancer Institute
           
 
 
 
 
