> ## Documentation Index > Fetch the complete documentation index at: https://proto.evodesign.org/docs/llms.txt > Use this file to discover all available pages before exploring further. # Database Retrieval > Fetch sequences and structures from public databases Retrieve biological sequences, structures, annotations, and chemical data from major public databases. These tools wrap public web APIs to fetch records by identifier or query, establishing provenance and context for downstream analysis. They run on CPU and return typed, structured records. * **Input:** an accession, identifier, or search query. * **Output:** the matching records from public databases, such as sequences, structures, annotations, and chemical data.

EMBL-EBI

SIB

EMBL-EBI

PIR