Sato T, Ozaki H, Hata Y, Kitagawa Y, Katsube Y, Shimonishi Y. Structural characteristics for biological activity of heat-stable enterotoxin produced by enterotoxigenic Escherichia coli: X-ray crystallography of weakly toxic and nontoxic analogs. Biochemistry. 1994 Jul 26;33(29):8641–50. doi: 10.1021/bi00195a004. PMID: 8038153.
Structural Characteristics for Biological Activity of Heat-Stable Enterotoxin Produced by Enterotoxigenic Escherichia coli: X-ray Crystallography of Weakly Toxic and Nontoxic Analogs