Protein-Protein Interactions

Rank the interactions that actually matter

Tesorai turns noisy AP-MS and BioID data into a prioritized, high-confidence interactome — cutting through background to surface the biology worth following up.

A bait protein ranked against candidate interactors, with one confirmed as the top-ranked, high-confidence prey

A smarter way to rank interactions

AP-MS and proximity-labeling (BioID) experiments generate thousands of candidate interactions per experiment. Tesorai's ranking layer tells you which ones are real.

Pulled-down proteins identified, indexed = 100
FragPipe
100
Tesorai Search
108 (+8%)

Source: pilot with a biotech partner (anonymized).

Search

More signal to start with

Tesorai Search identifies about 8% more pulled-down proteins than FragPipe, giving every downstream ranking step more true signal to work with.

Ranking

Doubling the known interactions you recover

In a pilot with a biotech partner, Tesorai Ranking improved per-bait interaction ranking (AUPRC) by 21% over the partner's prior SAINT/CompPASS approach — and combined with an orthogonal co-abundance signal, doubled the number of high-confidence known PPIs recovered in the top hits per bait.

+21% AUPRC over SAINT/CompPASS on DDA data

+11% AUPRC from an orthogonal co-abundance signal

2x more known PPIs recovered in the top-2-per-bait shortlist

Interaction ranking (AUPRC), indexed = 100

SAINT / CompPASS

100

+ Tesorai Ranking

121 (+21%)

+ co-abundance

132 (+32%)

Source: pilot with a biotech partner (anonymized).

+21%

AUPRC lift on DDA

+20–27%

AUPRC lift on DIA

+10–15%

additional, DDA+DIA combined

Any acquisition mode

Gains hold up on DDA and DIA

The same ranking approach delivers a 20–27% AUPRC improvement over SAINT on DIA data, and combining DDA and DIA evidence into a single model adds a further 10–15% over either alone.

Rigor

Built with real generalization controls

Our sequence-based PPI predictor was stress-tested against a well-known pitfall: naive models can reach 93% AUROC just by memorizing which proteins appear often in interaction databases. After correcting for this with protein-level and temporal train/test splits, Tesorai's model reaches an honest ~76% AUROC — a number built to hold up under scrutiny.

1

by simply memorizing which proteins appear often in interaction databases

2

protein-level + temporal train/test splits, CD-HIT similarity filtering

3

on truly unseen proteins — a number built to hold up

Real Results

Sharper rankings, fewer false leads

+8%

more pulled-down proteins identified vs. FragPipe

+21%

AUPRC improvement in interaction ranking vs. a partner's prior SAINT/CompPASS approach

2x

known PPIs recovered in the top hits per bait, combining ranking + co-abundance signal

Results from a pilot engagement with a biotech partner (anonymized per agreement).

See what Tesorai can find in your interactome data

Talk to our team or try it on your own data.