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Crystallisation and preliminary X-ray diffraction analysis of alpha-cinnamomin, an elicitin secreted by the phytopathogenic fungus Phytophthora cinnamomi
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Orientador(es)
Resumo(s)
Cinnamomin (CIN) belongs to a family of 10 kDa proteins designated as elicitins. Some of these proteins induce a hypersensitive
response in diverse plant species, leading to resistance against fungal and bacterial plant pathogens. CIN was crystallized by the vapourdiffusion method using either ammonium sulfate or polyethyleneglycol (PEG) as precipitants in solutions buffered at around pH 7.
These crystals are isomorphous and belong to the triclinic space group, with unit-cell parameters a = 31.69, b = 36.99, c = 44.09 A Ê , = 76.86, = 84.41,
= 80.26 . A frozen crystal diffracted X-rays
beyond 1.45 A Ê resolution on a synchrotron-radiation source.
Descrição
Palavras-chave
Beta-cinnamomin Elicitins Phytopathogenic fungi
Contexto Educativo
Citação
Archer, Margarida; Rodrigues, Maria Luisa; Aurélio, M.; Biemans, R; Cravador, Alfredo; Carrondo, Maria A.. Crystallisation and preliminary X-ray diffraction analysis of alpha-cinnamomin, an elicitin secreted by the phytopathogenic fungus Phytophthora cinnamomi. Acta Crystallographica , 56, 3, 363-366, 2000.