Complete amino acid sequences of chitinase-1 and -2 from bulbs of genus

Takeshi Yamagami, Masatsune Ishiguro

Research output: Contribution to journalArticle

14 Citations (Scopus)

Abstract

The complete amino acid sequences of tulip bulb chitinase-1 and -2 (TBC-1 and -2) were determined. The sequences of the TBC-1 and TBC-2 were solved by analysis of peptides derived by enzymatic digestions as well as by chemical cleavages with cyanogen bromide (CNBr), o-iodosobenzoic acid, and hydroxylamine. TBC-1 and TBC-2 both consisted of 275 amino acid residues and had molecular masses of 30,825 and 30,863, respectively. They shared 247 identical residues, that is 90% identity. Comparison of their sequences with that of gladiolus bulb class IIIb chitinase-a (GBC-a) showed that 63% of the residues of both TBC-1 and TBC-2 are identical to that of GBC-a. From these results, it was seen that TBC-1 and -2 are class IIIb chitinases. The characteristic difference in specific activity between TBC-1 and -2 was also discussed on the basis of their amino acid sequences.

Original languageEnglish
Pages (from-to)1253-1257
Number of pages5
JournalBioscience, Biotechnology and Biochemistry
Volume62
Issue number6
DOIs
Publication statusPublished - Jan 1 1998

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Chitinases
Amino Acid Sequence
Amino Acids
Tulipa
Cyanogen Bromide
Hydroxylamine
Molecular mass
Digestion
Peptides
Acids

All Science Journal Classification (ASJC) codes

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

Cite this

Complete amino acid sequences of chitinase-1 and -2 from bulbs of genus. / Yamagami, Takeshi; Ishiguro, Masatsune.

In: Bioscience, Biotechnology and Biochemistry, Vol. 62, No. 6, 01.01.1998, p. 1253-1257.

Research output: Contribution to journalArticle

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