Effect of chemical modification of tyrosine residues on activities of bacterial lipase

Masaya Kawase, Hideki Takahashi, Kenji Sonomoto, Koichi Nakamura, Atsuo Tanaka

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Lipase from Pseudomonas sp. KWI-56 was subjected to chemical modification of amino acid residues. When His and Arg residues and carboxyl groups were modified, both lipase activity and esterase activity of the lipase were remarkably decreased. Modification of tyrosine residues of the lipase with tetranitromethane resulted in a decrease in the lipase activity to hydrolyze acylglycerides and their derivatives without an appreciable loss of the esterase activity to hydrolyze synthetic esters. It was found that the modification of at least one or two tyrosine residues among the 15 residues in a lipase molecule was enough to regulate the enzymatic functions described above.

Original languageEnglish
Pages (from-to)317-319
Number of pages3
JournalJournal of Fermentation and Bioengineering
Volume72
Issue number5
DOIs
Publication statusPublished - Jan 1 1991
Externally publishedYes

Fingerprint

Chemical modification
Lipases
Lipase
Tyrosine
Esterases
Tetranitromethane
Pseudomonas
Amino acids
Esters
Derivatives
Amino Acids
Molecules

All Science Journal Classification (ASJC) codes

  • Biotechnology
  • Applied Microbiology and Biotechnology

Cite this

Effect of chemical modification of tyrosine residues on activities of bacterial lipase. / Kawase, Masaya; Takahashi, Hideki; Sonomoto, Kenji; Nakamura, Koichi; Tanaka, Atsuo.

In: Journal of Fermentation and Bioengineering, Vol. 72, No. 5, 01.01.1991, p. 317-319.

Research output: Contribution to journalArticle

Kawase, Masaya ; Takahashi, Hideki ; Sonomoto, Kenji ; Nakamura, Koichi ; Tanaka, Atsuo. / Effect of chemical modification of tyrosine residues on activities of bacterial lipase. In: Journal of Fermentation and Bioengineering. 1991 ; Vol. 72, No. 5. pp. 317-319.
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