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Ubiquitin tags detected on non-protein biomolecules using new method

Nature Wednesday 03 June 2026, 00:00 UTC 1 min read
Key Points

Nature, Published online: 03 June 2026; doi:10.1038/d41586-026-01741-zAn innovative method of mass spectrometry has detected the small protein ubiquitin on biomolecules other than proteins. In mouse liver, the energy-storing molecule glycogen has a large increase in ubiquitination — involving 1% of the liver’s total ubiquitin — during fasting, when glycogen is broken down.

Nature, Published online: 03 June 2026; doi:10.1038/d41586-026-01741-z

An innovative method of mass spectrometry has detected the small protein ubiquitin on biomolecules other than proteins. In mouse liver, the energy-storing molecule glycogen has a large increase in ubiquitination — involving 1% of the liver’s total ubiquitin — during fasting, when glycogen is broken down.
Ubiquitin (ORG) doi:10.1038 (ORG)
Originally published by Nature Read original →

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