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- Activity-based_proteomics abstract "Activity-based proteomics, or activity-based protein profiling (ABPP) is a functional proteomic technology that uses chemical probes that react with mechanistically related classes of enzymes. The basic unit of ABPP is the probe, which typically consists of two elements: a reactive group (RG, sometimes called a "warhead") and a tag. Additionally, some probes may contain a binding group which enhances selectivity. The reactive group usually contains a specially designed electrophile that becomes covalently-linked to a nucleophilic residue in the active site of an active enzyme. An enzyme that is inhibited or post-translationally modified will not react with an activity-based probe. The tag may be either a reporter such as a fluorophore or an affinity label such as biotin or an alkyne or azide for use with the Huisgen 1,3-dipolar cycloaddition (also known as click chemistry).A major advantage of ABPP is the ability to monitor the availability of the enzyme active site directly, rather than being limited to protein or mRNA abundance. With classes of enzymes such as the serine proteases and metalloproteases that often interact with endogenous inhibitors or that exist as inactive zymogens, this technique offers a valuable advantage over traditional techniques that rely on abundance rather than activity.Finally, in recent years ABPP has been combined with tandem mass spectrometry enabling the identification of hundreds of active enzymes from a single sample. This technique, known as ABPP-MudPIT (multidimensional protein identificationtechnology) is especially useful for profiling inhibitor selectivity as the potency of an inhibitor can be tested against hundreds of targets simultaneously.ABPP were first reported in the 1990s in the study of proteases.".
- Activity-based_proteomics thumbnail Fp_rhodamine.svg?width=300.
- Activity-based_proteomics wikiPageExternalLink abpp.
- Activity-based_proteomics wikiPageID "10212831".
- Activity-based_proteomics wikiPageRevisionID "593530564".
- Activity-based_proteomics hasPhotoCollection Activity-based_proteomics.
- Activity-based_proteomics subject Category:Genomics.
- Activity-based_proteomics subject Category:Protein_methods.
- Activity-based_proteomics subject Category:Proteomics.
- Activity-based_proteomics type Ability105616246.
- Activity-based_proteomics type Abstraction100002137.
- Activity-based_proteomics type Cognition100023271.
- Activity-based_proteomics type Know-how105616786.
- Activity-based_proteomics type Method105660268.
- Activity-based_proteomics type ProteinMethods.
- Activity-based_proteomics type PsychologicalFeature100023100.
- Activity-based_proteomics comment "Activity-based proteomics, or activity-based protein profiling (ABPP) is a functional proteomic technology that uses chemical probes that react with mechanistically related classes of enzymes. The basic unit of ABPP is the probe, which typically consists of two elements: a reactive group (RG, sometimes called a "warhead") and a tag. Additionally, some probes may contain a binding group which enhances selectivity.".
- Activity-based_proteomics label "Activity-based proteomics".
- Activity-based_proteomics sameAs m.02q5clf.
- Activity-based_proteomics sameAs Q4677620.
- Activity-based_proteomics sameAs Q4677620.
- Activity-based_proteomics sameAs Activity-based_proteomics.
- Activity-based_proteomics wasDerivedFrom Activity-based_proteomics?oldid=593530564.
- Activity-based_proteomics depiction Fp_rhodamine.svg.
- Activity-based_proteomics isPrimaryTopicOf Activity-based_proteomics.
