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Cloning and Sequencing of β-Mannosidase Gene from Aspergillus aculeatus No. F-50
The manB gene, coding for a unique β-mannosidase (MANB) of Aspergillus aculeatus, was cloned from genomic and cDNA libraries, and sequenced. The gene consists of 2,811 bp encoding a polypeptide of 937 amino acid residues with a molecular mass of 104,214 Da. The A. aculeatus MANB shared amino acid se...
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Published in: | Bioscience, biotechnology, and biochemistry biotechnology, and biochemistry, 1999-01, Vol.63 (1), p.206-209 |
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Main Authors: | , , , , |
Format: | Article |
Language: | English |
Subjects: | |
Citations: | Items that this one cites Items that cite this one |
Online Access: | Get full text |
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Summary: | The manB gene, coding for a unique β-mannosidase (MANB) of Aspergillus aculeatus, was cloned from genomic and cDNA libraries, and sequenced. The gene consists of 2,811 bp encoding a polypeptide of 937 amino acid residues with a molecular mass of 104,214 Da. The A. aculeatus MANB shared amino acid sequence identity with MANB of human (24%), goat (24%), bovine (24%), and Caenorhabditis elegans (22%). When the A. aculeatus MANB was compared with other related enzymes, a Glu residue corresponding to the active site identified by the Escherichia coli β-galactosidase and the human β-gluclonidase was conserved. This is the first fungal gene that encodes MANB. |
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ISSN: | 0916-8451 1347-6947 |
DOI: | 10.1271/bbb.63.206 |