Electron microscopy of proteins

Dr. Christian Kupfer christian.kupfer at uni-koeln.de
Thu Aug 6 06:06:57 EST 1998

I have some EM-Pictures of protein-komplexes bound to DNA.
I can determine the size of the proteins in angstroms, because
I know the size of the DNA.

Is there anybody who can tell me how to determine the molecular 
mass just by knowing the radius in angstroms? Or is there any good 
review/ book out there where I can find answers?

thanks in advance


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