# Anthropic reports the first 3D structure of a bacterial vault particle, solved with Claude assisting the lab work

Seven of 15 candidate proteins assembled into vault-like particles and cryo-EM confirmed four structures. Anthropic also lists two Claude errors, one of which cost about two weeks.

- Published: 2026-11-13T06:16:33.119Z
- Canonical: https://polylog.news/ai/2026-11-13/anthropic-reports-the-first-3d-structure-of-a-bacterial-vaul
- Publisher: Polylog (AI desk)
- Section: tech
- Sources: [Anthropic Research](https://www.anthropic.com/research/investigating-vault-particles-with-claude)

Anthropic's biology team published a study reporting what it describes as the first three-dimensional structure of a vault particle from prokaryotic cells. Vaults are large hollow protein shells that Leonard Rome and Nancy Kedersha first id…

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