AP-MS	Affinity purification–mass spectrometry
BiFC	Bimolecular fluorescence complementation
BLI	Bio-layer interferometry
BRET	Bioluminescence resonance energy transfer
Co-IP	Co-immunoprecipitation
ELISA	Enzyme-linked immunosorbent assay
FC	Fluorescence co-localization
FCS	Fluorescence correlation spectroscopy
FCCS	Fluorescence cross-correlation spectroscopy
FLIM	Fluorescence lifetime imaging microscopy
FP	Fluorescence polarization
FRET	Förster resonance energy transfer
GST	Glutathione-S-transferase
IDPs	Intrinsically disordered proteins
ITC	Isothermal titration calorimetry
LCA	Luciferase complementation assay
NF-κB	Nuclear factor kappa B
PALM	Photoactivated localization microscopy
PIE	Pulsed interleaved excitation
PL	Proximity labeling
PLA	Proximity ligation assay
PPIs	Protein-protein interactions
RNP	Ribonucleoprotein
smFRET	Single-molecule Förster resonance energy transfer
SPAD	Single-photon avalanche diode
SPR	Surface plasmon resonance
STED	Stimulated emission depletion
STORM	Stochastic optical reconstruction microscopy
TCSPC	Time-correlated single photon counting
TR-FRET	Time-resolved Förster resonance energy transfer
XL-MS	Cross-linking mass spectrometry
Y2H	Yeast two-hybrid