Article
Structural and thermodynamic consequences of removal of a conserved disulfide bond from equine beta-lactoglobulin.
Proteins - 15 May 2006
Yamada Yoshiteru, Nakagawa Kanako, Yajima Takeo, Saito Keiko, Tokushima Akihito, Fujiwara Kazuo, Ikeguchi Masamichi
Abstract excerpt
A disulfide bond between cysteine 66 and cysteine 160 of equine beta-lactoglobulin was removed by substituting cysteine residues with alanine. This disulfide bond is conserved across the lipocalin family. The conformation and stability of the disulfide-deleted mutant protein was investigated by circular dichroism. The mutant protein assumes a native-like structure under physiological conditions and assumes a...
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