Cross-Linking-MS (XL-MS)

An interaction is detected between two proteins using chemically reactive or photo-activatable cross-linking reagents that covalently link amino acids in close proximity, followed by mass spectrometry analysis to identify the linked peptides (reviewed in PMID 37406423, 37104977). Experiments may be carried with live cells or cell lysates in which all proteins are expressed at endogenous levels (e.g. PMID 34349018, 35235311) or with recombinant proteins (e.g., PMID 28537071).

Publication

EndoMAP.v1 charts the structural landscape of human early endosome complexes.

Gonzalez-Lozano MA, Schmid EW, Miguel Whelan E, Jiang Y, Paulo JA, Walter JC, Harper JW

Early or sorting endosomes are dynamic organelles that play key roles in proteome control by triaging plasma membrane proteins for either recycling or degradation in the lysosome1,2. These events are coordinated by numerous transiently associated regulatory complexes and integral membrane components that contribute to organelle identity during endosome maturation3. Although a subset of the several hundred protein components and cargoes ... [more]

Nature May. 28, 2025; (); [Pubmed: 40437099]

Throughput

  • High Throughput

Additional Notes

  • High confidence protein interactions had an XlinkX score >40. Re-analysis performed with Scout used a 1% FDR cutoff on Residue Pair level.
  • XL-MS of two independent replicates cross-linked with DSSO in HEK293 cells.

Related interactions

InteractionExperimental Evidence CodeDatasetThroughputScoreCurated ByNotes
BCLAF1 THRAP3
Affinity Capture-MS
Affinity Capture-MS

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 is identified by mass spectrometric methods.

High-BioGRID
1449997
THRAP3 BCLAF1
Affinity Capture-MS
Affinity Capture-MS

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 is identified by mass spectrometric methods.

High0.9855BioGRID
3140160
BCLAF1 THRAP3
Co-fractionation
Co-fractionation

Interaction inferred from the presence of two or more protein subunits in a partially purified protein preparation. If co-fractionation is demonstrated between 3 or more proteins, then add them as a complex.

High1BioGRID
1273249
BCLAF1 THRAP3
Negative Genetic
Negative Genetic

Mutations/deletions in separate genes, each of which alone causes a minimal phenotype, but when combined in the same cell results in a more severe fitness defect or lethality under a given condition. This term is reserved for high or low throughput studies with scores.

High0.0064BioGRID
3584453

Curated By

  • BioGRID