9T0E | pdb_00009t0e

Structure of Crimean Congo hemorrhagic fever virus (CCHFV) L protein bound to 5' vRNA and nanobody 20096.

• PDB DOI: https://doi.org/10.2210/pdb9T0E/pdb
• EM Map EMD-55399: EMDB EMDataResource

• Classification: VIRAL PROTEIN
• Organism(s): Lama glama, Crimean-Congo hemorrhagic fever virus strain IbAr10200
• Expression System: Escherichia coli, Spodoptera frugiperda
• Mutation(s): No 


• Deposited: 2025-10-17 Released: 2026-06-17 
• Deposition Author(s): Keown, J.R., Carrique, L., Grimes, J.M.
• Funding Organization(s): Wellcome Trust, University of Oxford, Medical Sciences Internal Fund (MSIF), Royal Society

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Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 2.30 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Starting Model: in silico

Literature

Structure of Crimean Congo hemorrhagic fever virus (CCHFV) L protein bound to 5' vRNA and nanobody 20096.

Keown, J.R., Carrique, L., Grimes, J.M.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 2-mer - A1B1 

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

Biological Assembly Evidence: electron microscopy

Macromolecule Content 

• Total Structure Weight: 472.94 kDa 
• Atom Count: 14,830 
• Modeled Residue Count: 1,802 
• Deposited Residue Count: 4,136 
• Unique protein chains: 2
• Unique nucleic acid chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Nanobody 20096	A [auth C]	130	Lama glama	Mutation(s): 0

Entity ID: 3
Molecule	Chains	Sequence Length	Organism	Details	Image
RNA-directed RNA polymerase L	C [auth A]	3,990	Crimean-Congo hemorrhagic fever virus strain IbAr10200	Mutation(s): 0  EC: 3.4.19.12 (PDB Primary Data), 3.4.22 (PDB Primary Data), 3.1 (PDB Primary Data), 2.7.7.48 (PDB Primary Data)
UniProt
Find proteins for Q6TQR6 (Crimean-Congo hemorrhagic fever virus (strain Nigeria/IbAr10200/1970)) Explore Q6TQR6  Go to UniProtKB:  Q6TQR6

Entity ID: 2
Molecule	Chains	Length	Organism	Image
RNA (5'-R(P*UP*CP*UP*CP*AP*AP*AP*GP*AP*UP*AP*UP*A)-3')	B [auth R]	16	Crimean-Congo hemorrhagic fever virus strain IbAr10200

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
ZN (Subject of Investigation/LOI)	D [auth A], E [auth A]	ZINC ION Zn PTFCDOFLOPIGGS-UHFFFAOYSA-N
MG (Subject of Investigation/LOI)	F [auth A], G [auth A]	MAGNESIUM ION Mg JLVVSXFLKOJNIY-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 2.30 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

EM Software:

Task	Software Package	Version
RECONSTRUCTION	cryoSPARC	4.0
MODEL REFINEMENT	PHENIX	1.19.2

Structure Validation

Entry History 

& Funding Information

Deposition Data

• Released Date: 2026-06-17 
Deposition Author(s): Keown, J.R., Carrique, L., Grimes, J.M.

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Funding Organization	Location	Grant Number
Wellcome Trust	United Kingdom	200835/Z/16/Z
University of Oxford, Medical Sciences Internal Fund (MSIF)	United Kingdom	BDR00281
Royal Society	United Kingdom	242315

Revision History  

• Version 1.0: 2026-06-17
  Type: Initial release