The Complete Amino Acid Sequence of Chitinase-c from the Seeds of Rye (Secale cereal)

Takeshi Yamagami, Gunki Funatsu

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Abstract

The complete amino acid sequence of rye seed chitinase-c (RSC-c) has been analyzed. This was done by first sequencing the tryptic peptides from RCm-RSC-c and then connecting them by analyzing the peptides produced by digestions with lysylendopeptidase and Staphylococcus aureus V8 protease of RCm-RSC-c, and by chymotryptic digestion and formic acid cleavage of S. aureus V8 protease peptides. RSC-c consists of 243 amino acid residues and has a molecular mass of 26, 093, and has 92% sequence homology with barley seed basic chitinase which lacks a Cys-rich domain. Cys204 is free and six cysteine residues are linked by disulfide bonds between Cys23 and Cys85, Cys97 and Cys105, and Cys223 and Cys236.

Original languageEnglish
Pages (from-to)1854-1861
Number of pages8
JournalBioscience, Biotechnology, and Biochemistry
Volume57
Issue number11
DOIs
Publication statusPublished - Jan 1 1993

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All Science Journal Classification (ASJC) codes

  • Biotechnology
  • Analytical Chemistry
  • Biochemistry
  • Applied Microbiology and Biotechnology
  • Molecular Biology
  • Organic Chemistry

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