The default Falcon research attempt reached its configured timeout. The automatic perplexity-lite fallback returned an insufficient-quota HTTP 401 response. No provider research report was produced, and no provider-generated content is represented by this file.
This is a manually compiled review based on the cited publications, original-text access and exact source projections described in CRX-notes.md and CRX-source-evidence.yaml. Source-specific access limits and species/construct distinctions are recorded there. The official displayed protein is 299 residues; alternative untranslated transcripts are distinguished from authenticated protein products.