9KQV | pdb_00009kqv

Cryo-EM structure of MPXV core protease in complex with aloxistatin(E64d)

• PDB DOI: https://doi.org/10.2210/pdb9KQV/pdb
• EM Map EMD-62516: EMDB EMDataResource

• Classification: VIRAL PROTEIN
• Organism(s): Monkeypox virus
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2024-11-27 Released: 2025-03-12 
• Deposition Author(s): Lan, W., You, T., Li, D., Dong, X., Wang, H., Xu, J., Wang, W., Gao, Y., Yang, H.
• Funding Organization(s): National Natural Science Foundation of China (NSFC)

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Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 2.93 Å
• Resolution: 2.93 Å
• Resolution: 2.93 Å
• Resolution: 2.93 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Literature

Structure Of Monkeypox I7 Protease In The Apo-Form

Lan, W., You, T., Li, D., Dong, X., Wang, H., Xu, J., Wang, W., Gao, Y., Yang, H.

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

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

Biological Assembly Evidence: electron microscopy

Macromolecule Content

• Total Structure Weight: 98.87 kDa 
• Atom Count: 6,018 
• Modelled Residue Count: 732 
• Deposited Residue Count: 846 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Core protease I7	A, B	423	Monkeypox virus	Mutation(s): 0  Gene Names:  I7L, MPXV-CAM1990_02-060, MPXV-COP-062, MPXV-GAB1988_001-061, MPXV-Ikubi-060, MPXV-M2940_FCT-066, MPXV-M2957_Lagos-066, MPXV-M3021_Delta-066, MPXV-M5320_M15_Bayelsa-059, MPXV-Nig_SEV71_2_82-061, MPXV-PCH-063, MPXV-Singapore-066, MPXV-SL-062, MPXV-UK_P1-066, MPXV-UK_P2-066, MPXV-UK_P3-066, MPXV-UTC-057, MPXV-W_Nigeria-061, MPXV-WRAIR062, MPXV297957_057, MPXV298464_048, MPXV_DRC_Yandongi_069, MPXV_LIB1970_184_073, MPXV_RCG2003_358_073, MPXV_SUD2005_01_069, MPXV_ZAI1979_005_073, MPXVgp068, PDLMKLCO_00071 EC: 3.4.22
UniProt
Find proteins for Q5IXV7 (Monkeypox virus) Explore Q5IXV7  Go to UniProtKB:  Q5IXV7

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
E6D (Subject of Investigation/LOI)	C [auth A], D [auth B]	ethyl (3S)-3-hydroxy-4-({(2S)-4-methyl-1-[(3-methylbutyl)amino]-1-oxopentan-2-yl}amino)-4-oxobutanoate C17 H32 N2 O5 FGRTVYZNNRCSAS-KBPBESRZSA-N

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 2.93 Å
• Resolution: 2.93 Å
• Resolution: 2.93 Å
• Resolution: 2.93 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2025-03-12 
Deposition Author(s): Lan, W., You, T., Li, D., Dong, X., Wang, H., Xu, J., Wang, W., Gao, Y., Yang, H.

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Funding Organization	Location	Grant Number
National Natural Science Foundation of China (NSFC)	China	81902063

Revision History  

• Version 1.0: 2025-03-12
  Type: Initial release