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Article

Structural characterization of functionally important regions of the Escherichia coli heat-stable enterotoxin STIb.

Biochemistry - 14 May 1991

Carpick B W, Gariépy J

Abstract excerpt

The biological properties of the Escherichia coli enterotoxin STIb (STA-3, STh) reside in a 13 amino acid C-terminal domain, abbreviated STIb(6-18). This tridecapeptide contains six cysteine residues involved in three intramolecular disulfide bridges. The solution structure of STIb(6-18) has been modeled as a series of three consecutive reverse turns [Gariépy et al. (1987) Proc. Natl. Acad. Sci. U.S.A. 83,...

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PMID: 2029521
DOI: 10.1021/bi00233a023

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