Antigen constructs for human cell-surface and secreted proteins.

Design antigen constructs using protein structures and sequence annotations. Compare homologs across species and identify closely related proteins to assess potential cross-reactivity. Refine construct boundaries and export sequences for experimental testing.

Using OpenAntigens in your research? Cite Teixeira et al., bioRxiv (2026) (preprint). How to cite

5,328Completed reports

1,725Secreted

1,507Single-pass

1,959Multipass

137GPI-anchored

For AI assistants

Start with the guide for search, downloads, residue numbering, and evidence interpretation.

Read the agent guide

View prompt

Paste this into your assistant and add your question.

Before using OpenAntigens, read https://openantigens.org/llms.txt. Start at https://openantigens.org/index.html. Confirm each target's species and accession, preserve its residue numbering, distinguish predicted from experimental evidence, and cite the inspected report and release. For research use, include the OpenAntigens preprint citation given in the guide.

My question:

Sorted by PubTator hits ↓

Rows per page

Using Claude, ChatGPT, or another agent?