Author:
Borrebaeck C A,Mattiasson B,Nordbring-Hertz B
Abstract
A developmentally regulated carbohydrate-binding protein from the capture organs of Arthrobotrys oligospora, not present on hyphae, was isolated and partially characterized. Surface structures of A. oligospora were radiolabeled with [125I]iodosulfanilic acid. The fungus was homogenized, and the homogenate was passed over an affinity column containing N-acetyl-D-galactosamine immobilized to Sepharose 6B. The bound radiolabeled protein was eluted from the affinity column with a glycine-hydrochloride buffer (pH 3.0), concentrated, and chromatographed on a metal chelate affinity gel containing Ca2+. EDTA was used as an eluant for the radiolabeled protein. Sodium dodecyl sulfate-polyacrylamide gel electrophoresis in combination with autoradiography revealed a molecular weight for the carbohydrate- and cation-binding polypeptide of ca. 20,000.
Publisher
American Society for Microbiology
Subject
Molecular Biology,Microbiology
Cited by
41 articles.
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