BAIT

HSPA5

BIP, GRP78, HEL-S-89n, MIF2
heat shock 70kDa protein 5 (glucose-regulated protein, 78kDa)
Homo sapiens
PREY

PDIA4

ERP70, ERP72, ERp-72
protein disulfide isomerase family A, member 4
GO Process (4)
GO Function (3)
GO Component (2)
Homo sapiens

Proximity Label-MS

An interaction is inferred when a bait-enzyme fusion protein selectively modifies a vicinal protein with a diffusible reactive product, followed by affinity capture of the modified protein and identification by mass spectrometric methods.

Publication

Comprehensive interactome profiling of the human Hsp70 network highlights functional differentiation of J domains.

Piette BL, Alerasool N, Lin ZY, Lacoste J, Lam MHY, Qian WW, Tran S, Larsen B, Campos E, Peng J, Gingras AC, Taipale M

Hsp70s comprise a deeply conserved chaperone family that has a central role in maintaining protein homeostasis. In humans, Hsp70 client specificity is provided by 49 different co-factors known as J domain proteins (JDPs). However, the cellular function and client specificity of JDPs have largely remained elusive. We have combined affinity purification-mass spectrometry (AP-MS) and proximity-dependent biotinylation (BioID) to characterize the ... [more]

Mol Cell Apr. 27, 2021; (); [Pubmed: 33957083]

Quantitative Score

  • 1900.0 [FoldChange]

Throughput

  • High Throughput

Additional Notes

  • BioID
  • High confidence proximal protein interactions had an average probability of the identified interaction (AvgP) >= 0.98. The associated score represents the fold change of spectral counts (or intensities) for each individual interaction.

Related interactions

InteractionExperimental Evidence CodeDatasetThroughputScoreCurated ByNotes
HSPA5 PDIA4
Cross-Linking-MS (XL-MS)
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).

High-BioGRID
3681319
PDIA4 HSPA5
Proximity Label-MS
Proximity Label-MS

An interaction is inferred when a bait-enzyme fusion protein selectively modifies a vicinal protein with a diffusible reactive product, followed by affinity capture of the modified protein and identification by mass spectrometric methods.

High7.96BioGRID
2999350

Curated By

  • BioGRID