10WP | pdb_000010wp

MPXV replisome bound to forked DNA

• PDB DOI: https://doi.org/10.2210/pdb10WP/pdb
• EM Map EMD-75504: EMDB EMDataResource

• Classification: VIRUS
• Organism(s): Monkeypox virus
• Expression System: Homo sapiens
• Mutation(s): No 


• Deposited: 2026-02-11 Released: 2026-09-02 
• Deposition Author(s): Yu, Z., Abraham, J.
• Funding Organization(s): Not funded

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Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 6.50 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Literature

Structure and operating principles of a monkeypox virus replisome

Yu, Z., Sathyanarayana, P., Tan, J.M.J.T., Hu, S., Fan, X., Gao, A., Kranzusch, P.J., Loparo, J.J., Abraham, J.

(2026) Nature 

• DOI: https://doi.org/10.1038/s41586-026-10937-2

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 9-mer - A4B2C1D1E1 Pseudo Symmetry: Asymmetric - C1 
Pseudo Stoichiometry: Hetero 9-mer - A5B1C1D1E1 

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

Biological Assembly Evidence: electron microscopy

Macromolecule Content 

• Total Structure Weight: 749.39 kDa 
• Atom Count: 35,220 
• Modeled Residue Count: 4,250 
• Deposited Residue Count: 6,409 
• Unique protein chains: 4
• Unique nucleic acid chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Uncoating factor OPG117	A [auth D], B [auth E], C [auth I], D [auth F], E [auth H], J [auth G]	785	Monkeypox virus	Mutation(s): 0  Gene Names: OPG117, MPXVgp100 EC: 3.6.4
UniProt
Find proteins for A0A7H0DN89 (Monkeypox virus) Explore A0A7H0DN89  Go to UniProtKB:  A0A7H0DN89

Entity ID: 3
Molecule	Chains	Sequence Length	Organism	Details	Image
DNA polymerase	G [auth A]	1,006	Monkeypox virus	Mutation(s): 0  Gene Names: F8L, MPXVgp057 EC: 2.7.7.7

Entity ID: 4
Molecule	Chains	Sequence Length	Organism	Details	Image
DNA polymerase processivity factor component OPG148	H [auth C]	426	Monkeypox virus	Mutation(s): 0  Gene Names: OPG148, MPXVgp132
UniProt
Find proteins for A0A7H0DNC0 (Monkeypox virus) Explore A0A7H0DNC0  Go to UniProtKB:  A0A7H0DNC0

Entity ID: 5
Molecule	Chains	Sequence Length	Organism	Details	Image
Uracil-DNA glycosylase	I [auth B]	218	Monkeypox virus	Mutation(s): 0  Gene Names: OPG116, UNG, MPXVgp099 EC: 3.2.2.27
UniProt
Find proteins for M1LL92 (Monkeypox virus) Explore M1LL92  Go to UniProtKB:  M1LL92

Entity ID: 2
Molecule	Chains	Length	Organism	Image
lagging strand	F [auth T]	27	Monkeypox virus

Entity ID: 6
Molecule	Chains	Length	Organism	Image
leading strand	K [auth S]	22	Monkeypox virus

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
ZN (Subject of Investigation/LOI)	L [auth D]	ZINC ION Zn PTFCDOFLOPIGGS-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 6.50 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

EM Software:

Task	Software Package	Version
RECONSTRUCTION	cryoSPARC

Structure Validation

Entry History 

& Funding Information

Deposition Data

• Released Date: 2026-09-02 
Deposition Author(s): Yu, Z., Abraham, J.

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Funding Organization	Location	Grant Number
Not funded		--

Revision History  

• Version 1.0: 2026-09-02
  Type: Initial release