9IF1 | pdb_00009if1

Unliganded structure of RNA duplex containing UGGAA/UGGAA motif

Changes made to a PDB entry after its initial release are considered to be either “major” or “minor”. The latest minor version of each major version is available as a file download. More information about the PDB versioning is available.

Version Number	Version Date	Version Type/Reason	Version Change	Revised CIF Category
1.0	2025-09-24	Initial release
1.1	2025-10-01		Database references	citation, citation_author	Download
2.0	2026-09-02	Remediation / Metalloprotein remediation	Derived calculations, Non-polymer description	chem_comp, pdbx_nonpoly_atom_coordination, pdbx_nonpoly_atom_coordination_sphere, pdbx_nonpoly_atom_coordination_sphere_order	Download

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RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.