An N-acetyl-D-galactosamine-specific lectin has been isolated from the two seed forms of the hog peanut (Amphicarpaea bracteata) using an affinity support containing the synthetic type A blood group trisaccharide alpha-D-GalNAc-(1,3)-[alpha-L-Fuc-(1,2)]-beta-D-Gal (Synsorb A). The affinity-purified
An anti-A1 lectin has been isolated from the extract of Amphicarpaea bracteata seeds by affinity chromatography on Epoxy-activated Sepharose 6B coupled to N-acetyl-D-galactosamine. The yield of the purified lectin was 86 microgram/g of seeds. The purified lectin shows one main band on
Legume seed lectins specific for N-acetyl-alpha-D-galactosaminyl end groups from Amphicarpaea bracteata, lima bean, Griffonia simplicifolia, Dolichos biflorus, and soybean were compared with respect to binding of several spin-labeled derivatives of D-galactosamine by electron spin resonance and
The techniques of electron spin resonance (ESR) and fluorescence spectroscopy have been used to study the interaction of a spin-labeled analogue of adenine, N6-(2,2,6,6-tetramethyl-1-oxypiperidin-4-yl)adenine (I), with several plant lectins. While most adenine derivatives enhanced lectin-induced
An N-acetyl-D-galactosamine-binding lectin from Falcata japonica seeds was purified by affinity column chromatography of N-acetyl-D-galactosamine coupled to epoxy-activated Sepharose 6B. A 1000-fold purification of lectin was obtained from the crude extracts. The purified lectin agglutinated blood
Saline extract of the seeds of Falcata japonica has been shown to have hemagglutinating activity for saline red cells of group A, Cad positive and Tn. In titration the extract agglutinates more strongly A2 red cells than the extract of Dolichos biflorus. Because the extract of F. japonica has no
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