9YD4 | pdb_00009yd4

RNA primer non-enzymatic extension product with DNA substrate

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

  • Deposited: 2025-09-21 Released: 2025-10-22 
  • Deposition Author(s): Fang, Z., Szostak, J.W.
  • Funding Organization(s): National Science Foundation (NSF, United States), Howard Hughes Medical Institute (HHMI)

Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.66 Å
  • R-Value Free: 
    0.289 (Depositor), 0.286 (DCC) 
  • R-Value Work: 
    0.257 (Depositor), 0.260 (DCC) 

Starting Model: experimental
View more details

wwPDB Validation 3D Report Full Report

Validation slider image for 9YD4

Ligand Structure Quality Assessment 


This is version 1.1 of the entry. See complete history

Literature

Nonenzymatic RNA copying with deoxypurine

Fang, Z.Szostak, J.W.

To be published.

Macromolecule Content 

  • Total Structure Weight: 10.52 kDa 
  • Atom Count: 827 
  • Modeled Residue Count: 30 
  • Deposited Residue Count: 30 
  • Unique hybrid chains: 1

Macromolecules

Find similar nucleic acids by:  Sequence
Entity ID: 1
MoleculeChains LengthOrganismImage
DNA/RNA (5'-R(*(LCC)P*(LCC)P*(LCC)P*(LCG)P*AP*CP*UP*UP*AP*AP*GP*UP*CP*G)-D(P*G)-3')
A, B
15synthetic construct
Sequence Annotations
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Reference Sequence

Small Molecules

Ligands 2 Unique
IDChains Name / Formula / InChI Key2D Diagram3D Interactions
A1CWA
(Subject of Investigation/LOI)

Query on A1CWA



Download:Ideal Coordinates CCD File
C [auth A],
G [auth B]
(2-azanylimidazol-1-yl)-[[(2~{R},3~{S},5~{R})-5-(2-azanyl-6-oxidanylidene-1~{H}-purin-9-yl)-3-oxidanyl-oxolan-2-yl]methoxy]phosphinic acid
C13 H17 N8 O6 P
UDDIXTSYRLRNQW-XLPZGREQSA-N
MG

Query on MG



Download:Ideal Coordinates CCD File
D [auth A]
E [auth A]
F [auth A]
H [auth B]
I [auth B]
D [auth A],
E [auth A],
F [auth A],
H [auth B],
I [auth B],
J [auth B],
K [auth B]
MAGNESIUM ION
Mg
JLVVSXFLKOJNIY-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.66 Å
  • R-Value Free:  0.289 (Depositor), 0.286 (DCC) 
  • R-Value Work:  0.257 (Depositor), 0.260 (DCC) 
Space Group: P 3 2 1
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 48.254α = 90
b = 48.254β = 90
c = 82.532γ = 120
Software Package:
Software NamePurpose
REFMACrefinement
HKL-2000data reduction
HKL-2000data scaling
PHASERphasing

Structure Validation

View Full Validation Report



Ligand Structure Quality Assessment 


Entry History 

& Funding Information

Deposition Data


Funding OrganizationLocationGrant Number
National Science Foundation (NSF, United States)United States2104708
Howard Hughes Medical Institute (HHMI)United States--

Revision History  (Full details and data files)

  • Version 1.0: 2025-10-22
    Type: Initial release
  • Version 1.1: 2025-11-19
    Changes: Data collection