36LC | pdb_000036lc

RNA-L-G monomer complex

• PDB DOI: https://doi.org/10.2210/pdb36LC/pdb

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


• Deposited: 2026-06-16 Released: 2026-07-01 
• Deposition Author(s): Essex, J., Szostak, J.W.
• Funding Organization(s): Howard Hughes Medical Institute (HHMI), National Science Foundation (NSF, United States)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.18 Å
• R-Value Free: 
  0.307 (Depositor), 0.306 (DCC) 
• R-Value Work: 
  0.272 (Depositor), 0.272 (DCC) 
• R-Value Observed: 
  0.276 (Depositor) 

Starting Model: experimental

Literature

Effect of Chemically Activated L-Nucleotides on Nonenzymatic RNA Copying

Essex, J., Jia, X., Zhang, J., Szostak, J.W.

To be published.

Biological Assembly 1  

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

Macromolecule Content 

• Total Structure Weight: 10.48 kDa 
• Atom Count: 700 
• Modeled Residue Count: 28 
• Deposited Residue Count: 28 
• Unique nucleic acid chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Length	Organism	Image
RNA (16-mer)	A, B	14	synthetic construct

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
0G (Subject of Investigation/LOI)	C [auth A], D [auth A], E [auth B], F [auth B]	L-GUANOSINE-5'-MONOPHOSPHATE C10 H14 N5 O8 P RQFCJASXJCIDSX-GIMIYPNGSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.18 Å
• R-Value Free:  0.307 (Depositor), 0.306 (DCC) 
• R-Value Work:  0.272 (Depositor), 0.272 (DCC) 
• R-Value Observed: 0.276 (Depositor) 

Space Group: P 3 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 48.07	α = 90
b = 48.07	β = 90
c = 83.745	γ = 120

Software Package:

Software Name	Purpose
PHENIX	refinement
autoPROC	data reduction
autoPROC	data scaling
PHASER	phasing

Structure Validation

Entry History 

& Funding Information

Deposition Data

• Released Date: 2026-07-01 
Deposition Author(s): Essex, J., Szostak, J.W.

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Funding Organization	Location	Grant Number
Howard Hughes Medical Institute (HHMI)	United States	--
National Science Foundation (NSF, United States)	United States	2325198

Revision History  

• Version 1.0: 2026-07-01
  Type: Initial release