11EH | pdb_000011eh

Struct2SeQ designed RNA molecule

• PDB DOI: https://doi.org/10.2210/pdb11EH/pdb
• EM Map EMD-75648: EMDB EMDataResource

• Classification: RNA
• Organism(s): synthetic construct
• Mutation(s): No 


• Deposited: 2026-02-18 Released: 2026-05-27 
• Deposition Author(s): Mancino, A., Hingey, J., He, S., Haack, D.B., Rudolfs, B., Spellmon, N., Yu, Z., Toor, N., Das, R.
• Funding Organization(s): Howard Hughes Medical Institute (HHMI)

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Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 4.70 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Literature

Serendipitously ordered RNA structures in AI-generated pseudoknots

Joshi, C.K., Spellmon, N., Haack, D.B., Das, R.

To be published.

Biological Assembly 1  

Biological assembly 1 assigned by authors and generated by (software)

Biological Assembly Evidence: electron microscopy

Macromolecule Content 

• Total Structure Weight: 168.11 kDa 
• Atom Count: 2,045 
• Modeled Residue Count: 96 
• Deposited Residue Count: 519 
• Unique nucleic acid chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Length	Organism	Image
RNA	A	519	synthetic construct

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 4.70 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

EM Software:

Task	Software Package	Version
MODEL REFINEMENT	PHENIX	1.21.1_5286
RECONSTRUCTION	cryoSPARC
RECONSTRUCTION	PHENIX

Structure Validation

Entry History 

& Funding Information

Deposition Data

• Released Date: 2026-05-27 
Deposition Author(s): Mancino, A., Hingey, J., He, S., Haack, D.B., Rudolfs, B., Spellmon, N., Yu, Z., Toor, N., Das, R.

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Funding Organization	Location	Grant Number
Howard Hughes Medical Institute (HHMI)	United States	--

Revision History  

• Version 1.0: 2026-05-27
  Type: Initial release