Titre:	Characterization of a methionine-rich protein from the seeds of Cereus jamacaru Mill. (Cactaceae)
Auteur(s):	Aragão, Theresa Christine Filgueiras Russo Souza, Petronio Augusto Simão de Uchôa, Adriana Ferreira Costa, Itayguara Ribeiro da Bloch Júnior, Carlos Campos, Francisco de Assis de Paiva
metadata.dc.contributor.email:	mailto:bioplant@ufc.br
Assunto::	Cacto Mandacarú Cereus jamacaru Metionina
Date de publication:	2000
Editeur:	Associação Brasileira de Divulgação Científica
Référence bibliographique:	ARAGÃO, T. C. F. R. et. al. Characterization of a methionine-rich protein from the seeds of Cereus jamacaru Mill. (Cactaceae). Brazilian Journal of Medical and Biological Research, Ribeirão Preto, v. 33, n. 8, p. 897-903, ago. 2000. DOI 10.1590/S0100-879X2000000800005. Disponível em: https://www.scielo.br/j/bjmbr/a/bDbfzsyZW6fsPvhXMNdbTtt/?lang=en. Acesso em: 17 fev. 2025.
Abstract:	We describe here the isolation and characterization of a major albumin from the seeds of Cereus jamacaru (Cactaceae), to which we gave the trivial name of cactin. This protein has a molecular mass of 11.3 kDa and is formed by a light chain (3.67 kDa) and a heavy chain (7.63 kDa). This protein was isolated using a combination of gel filtration chromatography and reverse-phase HPLC. The amino acid composition of cactin was determined and found to resemble that of the 2S seed reserve protein from the Brazil nut, a protein remarkable for its high methionine content. The usefulness of cactin as a molecular marker in the taxonomy of the Cactaceae is discussed.
metadata.dc.description.unidade:	Instituto de Química (IQ)
DOI:	https://dx.doi.org/10.1590/S0100-879X2000000800005
Collection(s) :	Artigos publicados em periódicos e afins

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