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Activity-based proteomics, or activity-based protein profiling (ABPP) is a chemoproteomic strategy that employs modular probes to directly assess the functional state of enzymes within complex proteomes. Unlike expression-based proteomics, which measures protein abundance, ABPP provides information about catalytic activity, thereby enabling researchers…
History, Probe design & Historical development
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enzyme abpp active enzymes activity protein probes abps used proteins functional probe proteomics profiling activity-based mass spectrometry target enabling inactive
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| the serine hydrolases | instance of | produce radical intermediates that form covalent crosslinks with nearby residues in the enzyme active site.With classes of enzymes | 0.80 | text |
| metalloproteases that often interact with endogenous inhibitors or that exist as inactive zymogens | instance of | produce radical intermediates that form covalent crosslinks with nearby residues in the enzyme active site.With classes of enzymes | 0.80 | text |
| ABPP offers a valuable advantage over traditional techniques that rely on abundance rather than activity | instance of | produce radical intermediates that form covalent crosslinks with nearby residues in the enzyme active site.With classes of enzymes | 0.80 | text |
| masked warheads | instance of | Strategies | 0.80 | text |
| which become activated only in the presence of a target enzyme | instance of | Strategies | 0.80 | text |
| have been developed to improve specificity.LinkerBetween the reactive group | instance of | Strategies | 0.80 | text |
| the tag | instance of | Strategies | 0.80 | text |
| ABPs often include a linker / spacer / biorecognition element | instance of | Strategies | 0.80 | text |
| which can tune probe solubility | instance of | Strategies | 0.80 | text |
| steric accessibility | instance of | Strategies | 0.80 | text |
| and substrate mimicry | instance of | Strategies | 0.80 | text |
| biotin | instance of | or an affinity label | 0.80 | text |
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