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Models of the three-dimensional structures of echidna, horse, and pigeon lysozymes: Calcium-binding lysozymes and their relationship with α-lactalbumins

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Abstract

Similarities in amino acid sequences, three-dimensional structures, and the exon-intron patterns of their genes have indicated thatc-type lysozymes andα-lactalbumins are homologous proteins, i.e., descended by divergent evolution from a common ancestor. Like theα-lactalbumins, echidna milk, horse milk, and pigeon eggwhite lysozymes all bind Ca(II). Models of their three-dimensional structures, based on their amino acid sequences and the known crystal structures of domestic hen eggwhite and human lysozymes and baboon and humanα-lactalbumins, have been built. The several structures have been compared and their relationships discussed.

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Acharya, K.R., Stuart, D.I., Phillips, D.C. et al. Models of the three-dimensional structures of echidna, horse, and pigeon lysozymes: Calcium-binding lysozymes and their relationship with α-lactalbumins. J Protein Chem 13, 569–584 (1994). https://doi.org/10.1007/BF01901539

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  • DOI: https://doi.org/10.1007/BF01901539

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