![T-cell masthead image](https://www.soligenix.com/wp-content/uploads/2019/06/default-masthead2-id538032878.jpg)
Analysis of several key active site residues of ricin A chain by mutagenesis and X-ray crystallography
Kim, Y. and J.D. Robertus, Analysis of several key active site residues of ricin A chain by mutagenesis and X-ray crystallography. Protein Eng, 1992. 5(8): p. 775-9.