Affinity Capture-Western

An interaction is inferred when a bait protein is affinity captured from cell extracts by either polyclonal antibody or epitope tag and the associated interaction partner identified by Western blot with a specific polyclonal antibody or second epitope tag. This category is also used if an interacting protein is visualized directly by dye stain or radioactivity. Note that this differs from any co-purification experiment involving affinity capture in that the co-purification experiment involves at least one extra purification step to get rid of potential contaminating proteins.

Publication

A conformational switch in syntaxin during exocytosis: role of munc18.

Dulubova I, Sugita S, Hill S, Hosaka M, Fernandez I, Suedhof TC, Rizo J

Syntaxin 1, an essential protein in synaptic membrane fusion, contains a helical autonomously folded N-terminal domain, a C-terminal SNARE motif and a transmembrane region. The SNARE motif binds to synaptobrevin and SNAP-25 to assemble the core complex, whereas almost the entire cytoplasmic sequence participates in a complex with munc18-1, a neuronal Sec1 homolog. We now demonstrate by NMR spectroscopy that, ... [more]

EMBO J. Aug. 16, 1999; 18(16);4372-82 [Pubmed: 10449403]

Throughput

  • Low Throughput

Related interactions

InteractionExperimental Evidence CodeDatasetThroughputScoreCurated ByNotes
STX1A CPLX1
Co-crystal Structure
Co-crystal Structure

Interaction directly demonstrated at the atomic level by X-ray crystallography. Also used for NMR or Electron Microscopy (EM) structures. If there is no obvious bait-hit directionality to the interaction involving 3 or more proteins, then the co-crystallized proteins should be listed as a complex.

Low-BioGRID
-
CPLX1 STX1A
Reconstituted Complex
Reconstituted Complex

An interaction is detected between purified proteins in vitro.

Low-BioGRID
-

Curated By

  • BioGRID