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The Covalently‐Bound Flavin of Hepatic Monoamine Oxidase: 1. Isolation and Sequence of a Flavin Peptide and Evidence for Binding at the 8α Position
Abstract
A method has been elaborated for the large scale isolation of outer membranes of beef liver mitochondria. From these monoamine oxidase was partially purified and digested with trypsin and chymotrypsin to yield peptides containing riboflavin covalently linked to the peptide chain. A pure pentapeptide of riboflavin‐5′‐phosphate has been obtained by a series of chromatographic procedures. Edman degradation, followed by dansylation, revealed the amino acid sequence: Ser‐Gly‐Gly‐X‐Tyr, X being the amino acid to which the flavin is attached via the 8α‐carbon of the riboflavin. This site of attachment is concluded on the basis of analysis of the optical spectra in the neutral and cationic forms of the flavoquinone and of the electron spin resonance spectrum of the free radical cation.
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Citations
Cited by
MONOAMINE OXIDASE: From Genes to Behavior
Shih, J. C., Chen, K., & Ridd, M. J. (1999) · Annual Review of Neuroscience · doi:10.1146/annurev.neuro.22.1.197 · Cited by 1,206
Youdim, M. B. H., Gross, A., & Finberg, J. P. M. (2001) · British Journal of Pharmacology · doi:10.1038/sj.bjp.0703826 · Cited by 342
Human monoamine oxidase A and B genes exhibit identical exon-intron organization.
Grimsby, J., Chen, K., Wang, L. J., Lan, N. C., & Shih, J. C. (1991) · Proceedings of the National Academy of Sciences · doi:10.1073/pnas.88.9.3637 · Cited by 271
Kolla, N. J., & Bortolato, M. (2020) · Progress in Neurobiology · doi:10.1016/j.pneurobio.2020.101875 · Cited by 138
Metadata
- Authors
- Kearney, E. B., Salach, J. I., Walker, W. H., Seng, R. L., Kenney, W., Zeszotek, E., & Singer, T. P.
- Venue
- European Journal of Biochemistry
- Publisher
- Wiley
- Published
- 1971-12
- Volume
- 24
- Issue
- 2
- Pages
- 321-327
- ISSN
- 0014-2956 (ISSN-L)
- 1432-1033
- OpenAlex
- W1577728072
- Cited by
- 208
- References
- 0
- FWCI
- 6.38
- Type
- journal article
- Language
- en
- Open access
- closed
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- CoChat. (2026). Citation check: The Covalently‐Bound Flavin of Hepatic Monoamine Oxidase: 1. Isolation and Sequence of a Flavin Peptide and Evidence for Binding at the 8α Position. https://app.cochat.ai/papers/10.1111/j.1432-1033.1971.tb19689.x
- The paper
- Kearney, E. B., Salach, J. I., Walker, W. H., Seng, R. L., Kenney, W., Zeszotek, E., & Singer, T. P. (1971). The Covalently‐Bound Flavin of Hepatic Monoamine Oxidase: 1. Isolation and Sequence of a Flavin Peptide and Evidence for Binding at the 8α Position. European Journal of Biochemistry. https://doi.org/10.1111/j.1432-1033.1971.tb19689.x
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
