
Technology
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Biotechnology
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YC W26
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Valuation:
Undisclosed

Last Updated:
March 24, 2026

Builds AI-native infrastructure for protein characterization, specifically peptide mapping for protein therapeutics. Automates the data analysis pipeline that currently takes weeks and costs significant manual effort, reducing it to minutes. Targets biopharma development teams drowning in mass spectrometry data.
AI-native peptide mapping platform with functional UI (mass spectrometry analysis views, fragment matching, proteoform browsers). Currently in early access/beta. Emphasizes 10x speed, full pipeline automation, and reproducible enterprise-ready results. Targets $150,000+ time savings per team per month.
Lean team in focused product-build phase. The team's combined proteomics, mass spectrometry, and AI expertise suggests expansion into adjacent characterization modalities. YC batch timing points to fundraising in mid-2026.
Vishnu R. Tejus (CTO) is a 2x YC founder who was the 2nd hire and founding engineer at Nooks, then forward-deployed himself in research labs at University of Washington, UCSF, and Stanford, where he published 2 papers and won 4 national awards in under 1 year. The team uniquely combines deep proteomics and analytical chemistry domain expertise from a Stanford Nobel Laureate's lab (47+ publications, 18+ years collective experience) with production-grade AI engineering. They claim to be the only team in the world with combined depth in proteomics, mass spectrometry, chemical biology, and AI.