| OpenMS 2.5.0

### - u -

- Unannotated : NASequence , Residue
- UNBOUNDED : LPWrapper
- UNDEFINED : IsotopeDistribution , LPWrapper , PeakShape
- UNEXPECTED_RESULT : OpenPepXLAlgorithm , OpenPepXLLFAlgorithm , PeptideIndexing , TOPPBase , XFDRAlgorithm
- UNIT_ONTOLOGY : DataValue
- UNKNOWN : FileTypes , Instrument , InstrumentSettings , ReactionMonitoringTransition , ResidueModification , SpectrumSettings
- UNKNOWN_CHECKSUM : SourceFile
- UNKNOWN_ERROR : TOPPBase
- UNUSED : FeatureFinderDefs
- UP : MassAnalyzer
- UPPER_BOUND_ONLY : LPWrapper
- UPSHIFT : PrecursorIonSelection
- USED : FeatureFinderDefs