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Cloning and synthesis of a new A-superfamily conotoxin Bt14.10 / 军事医学
Military Medical Sciences ; (12): 598-601, 2014.
Artigo em Chinês | WPRIM | ID: wpr-473989
ABSTRACT
Objective To clone a new conotoxin Bt14.10 from Conus betulinus derived from the South China Sea, synthesize the peptide , and to determine linkage of its disulfide bridges .Methods The genomic DNA was extracted from C.betulinus venom duct while the Bt14.10 sequence was cloned using primers designed based on the untranslated region and intron.The peptide was then synthesized using solid-phase method and folded into the target product whose disulfide bridge connection was further determined by two-step oxidative folding .Results A novel conotoxin designated as Bt 14.10 (CAHSVPGMHPCKCNNTC-NH2) was obtained,the disulfide connectivity of which was C1-C3,C2-C4.Conclusion Bt14.10 is a new A-superfamily conotoxin and has a distinct loop spacing pattern between cysteines in A-superfamily conotoxins.

Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Idioma: Chinês Revista: Military Medical Sciences Ano de publicação: 2014 Tipo de documento: Artigo

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Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Idioma: Chinês Revista: Military Medical Sciences Ano de publicação: 2014 Tipo de documento: Artigo