Predicted sequence and structure of a vegetative lectin in Pisum sativum |
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Authors: | Jhang Ho Pak Thomas Hendrickson Michael S Dobres |
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Institution: | (1) Department of Bioscience and Biotechnology, Drexel University, 19104 Philadelphia, PA, USA;(2) Department of Chemistry, Drexel University, 19104 Philadelphia, PA, USA |
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Abstract: | We report the predicted sequence of four vegetative homologues (Blec1,2,3 and 4) of the pea seed lectin. This study indicates that, in contrast to the single-copy pea seed lectin (Kaminski et al., Plant Mol Biol 9: 497–507, 1987), the pea vegetative lectin is transcribed by at least four members of a highly conserved multigene family whose members are only distantly related to the pea seed lectin at the primary amino-acid sequence level. For example, Blec1 shares only 38% amino-acid identity with the pea seed lectin. However, molecular homology modelling predicts that Blec1 probably forms a similar tertiary structure to the pea seed lectin. |
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Keywords: | lectin legume pea |
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