32UN | pdb_000032un

Structure of ZNFX1 in the post-ATP hydrolysis state

PDB DOI: https://doi.org/10.2210/pdb32UN/pdb
EM Map EMD-59182: EMDB EMDataResource

Classification: ANTIVIRAL PROTEIN
Organism(s): Homo sapiens
Expression System: Spodoptera frugiperda
Mutation(s): No

Deposited: 2026-07-26 Released: 2026-09-30
Deposition Author(s): Heatley, A., Naydenova, K., Yip, M., Randow, F.
Funding Organization(s): Wellcome Trust, UK Research and Innovation (UKRI)

Experimental Data Snapshot

Method: ELECTRON MICROSCOPY
Resolution: 3.20 Å
Aggregation State: PARTICLE
Reconstruction Method: SINGLE PARTICLE

wwPDB Validation 3D Report Full Report

Validation slider image for 32UN

This is version 1.0 of the entry. See complete history.

Literature

ZNFX1, an immunoregulatory RNA helicase and E3 ubiquitin ligase, assembles into pleiomorphic polymers

Naydenova, K., Mund, T., Yip, M.C.J., Harper, C.M., Leigh, K.E., Hankinson, J., Boyle, K.B., Heatley, A., Otten, E.G., Lulla, V., Modis, Y., Randow, F.

To be published.

Macromolecule Content

Total Structure Weight: 225.13 kDa
Atom Count: 7,829
Modeled Residue Count: 963
Deposited Residue Count: 1,956
Unique protein chains: 1

Macromolecules

Find similar proteins by:

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
NFX1-type zinc finger-containing protein 1	A	1,956	Homo sapiens	Mutation(s): 0 Gene Names: ZNFX1, KIAA1404 EC: 3.6.4 (PDB Primary Data), 2.3.2.27 (PDB Primary Data)
UniProt & NIH Common Fund Data Resources
Find proteins for Q9P2E3 (Homo sapiens) Explore Q9P2E3 Go to UniProtKB: Q9P2E3
PHAROS: Q9P2E3 GTEx: ENSG00000124201
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	Q9P2E3
Sequence Annotations Expand
Reference Sequence

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
ADP (Subject of Investigation/LOI) Query on ADP Download:Ideal Coordinates CCD File SDF format, chain B [auth A] MOL2 format, chain B [auth A] mmCIF format, chain B [auth A]	B [auth A]	ADENOSINE-5'-DIPHOSPHATE C₁₀ H₁₅ N₅ O₁₀ P₂ XTWYTFMLZFPYCI-KQYNXXCUSA-N		Interactions Focus chain B [auth A] Interactions & Density Focus chain B [auth A]
PO4 (Subject of Investigation/LOI) Query on PO4 Download:Ideal Coordinates CCD File SDF format, chain C [auth A] MOL2 format, chain C [auth A] mmCIF format, chain C [auth A]	C [auth A]	PHOSPHATE ION O₄ P NBIIXXVUZAFLBC-UHFFFAOYSA-K		Interactions Focus chain C [auth A] Interactions & Density Focus chain C [auth A]

Experimental Data & Validation

Experimental Data

Method: ELECTRON MICROSCOPY
Resolution: 3.20 Å
Aggregation State: PARTICLE
Reconstruction Method: SINGLE PARTICLE

EM Software:

Task	Software Package	Version
RECONSTRUCTION	cryoSPARC

Structure Validation

View Full Validation Report

View more in-depth experimental data

Entry History

& Funding Information

Deposition Data

Released Date: 2026-09-30

Deposition Author(s):

Funding Organization	Location	Grant Number
Wellcome Trust	United Kingdom	--
UK Research and Innovation (UKRI)	United Kingdom	--

Revision History (Full details and data files)

Version 1.0: 2026-09-30
Type: Initial release