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ESI-MS/MS IDENTIFICATION OF A BRADYKININ-POTENTIATING PEPTIDE FROM AMAZON BOTHROPS ATROX SNAKE VENOM USING A HYBRID QQ-OATOF MASS SPECTROMETER
BPP
Pyroglutamic acid
Pyrrolidonecarboxylic acid
Peptide sequencing
Autor
Afiliación
Fundação Oswaldo Cruz. Fiocruz Rondônia. Center of Biomolecules Study Applied to Health. Porto Velho, RO, Brasil.
Fundação Oswaldo Cruz. Fiocruz Rondônia. Center of Biomolecules Study Applied to Health. Porto Velho, RO, Brasil.
Waters Corporation. MS Applications Development Laboratory. Alphaville, SP, Brasil.
Fundação Oswaldo Cruz. Fiocruz Rondônia. Center of Biomolecules Study Applied to Health. Porto Velho, RO, Brasil.
Fundação Oswaldo Cruz. Fiocruz Rondônia. Center of Biomolecules Study Applied to Health. Porto Velho, RO, Brasil.
Fundação Oswaldo Cruz. Fiocruz Rondônia. Center of Biomolecules Study Applied to Health. Porto Velho, RO, Brasil.
Fundação Oswaldo Cruz. Fiocruz Rondônia. Center of Biomolecules Study Applied to Health. Porto Velho, RO, Brasil / Federal University of Rondônia. Medicine Department. Porto Velho, RO, Brasil.
Fundação Oswaldo Cruz. Fiocruz Rondônia. Center of Biomolecules Study Applied to Health. Porto Velho, RO, Brasil.
Fundação Oswaldo Cruz. Fiocruz Rondônia. Center of Biomolecules Study Applied to Health. Porto Velho, RO, Brasil / Federal University of Rondônia. Medicine Department. Porto Velho, RO, Brasil.
Fundação Oswaldo Cruz. Fiocruz Rondônia. Center of Biomolecules Study Applied to Health. Porto Velho, RO, Brasil. / Federal University of Rondônia. Medicine Department. Porto Velho, RO, Brasil.
Fundação Oswaldo Cruz. Fiocruz Rondônia. Center of Biomolecules Study Applied to Health. Porto Velho, RO, Brasil.
Waters Corporation. MS Applications Development Laboratory. Alphaville, SP, Brasil.
Fundação Oswaldo Cruz. Fiocruz Rondônia. Center of Biomolecules Study Applied to Health. Porto Velho, RO, Brasil.
Fundação Oswaldo Cruz. Fiocruz Rondônia. Center of Biomolecules Study Applied to Health. Porto Velho, RO, Brasil.
Fundação Oswaldo Cruz. Fiocruz Rondônia. Center of Biomolecules Study Applied to Health. Porto Velho, RO, Brasil.
Fundação Oswaldo Cruz. Fiocruz Rondônia. Center of Biomolecules Study Applied to Health. Porto Velho, RO, Brasil / Federal University of Rondônia. Medicine Department. Porto Velho, RO, Brasil.
Fundação Oswaldo Cruz. Fiocruz Rondônia. Center of Biomolecules Study Applied to Health. Porto Velho, RO, Brasil.
Fundação Oswaldo Cruz. Fiocruz Rondônia. Center of Biomolecules Study Applied to Health. Porto Velho, RO, Brasil / Federal University of Rondônia. Medicine Department. Porto Velho, RO, Brasil.
Fundação Oswaldo Cruz. Fiocruz Rondônia. Center of Biomolecules Study Applied to Health. Porto Velho, RO, Brasil. / Federal University of Rondônia. Medicine Department. Porto Velho, RO, Brasil.
Resumen en ingles
A bradykinin-potentiating peptide (BPP) from Amazon Bothrops atrox venom with m/z 1384.7386 was identified and characterized by collision induced dissociation (CID) using an ESI-MS/MS spectra obtained in positive ion mode on a hybrid Qq-oaTOF mass spectrometer, Xevo G2 QTof MS (Waters, Manchester, UK). De novo peptide sequence analysis of the CID fragmentation spectra showed the amino acid sequence ZKWPRPGPEIPP, with a pyroglutamic acid and theoretical monoisotopic m/z 1384.7378, which is similar to experimental data, showing a mass accuracy of 0.6 ppm. The peptide is homologous to other BPP from Bothrops moojeni and was named as BPP-BAX12.
Palabras clave en ingles
Bioactive peptideBPP
Pyroglutamic acid
Pyrrolidonecarboxylic acid
Peptide sequencing
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