9T3X | pdb_00009t3x

cryo-EM strucutre of CPSF160-WDR33-ZC3H18

• PDB DOI: https://doi.org/10.2210/pdb9T3X/pdb
• EM Map EMD-55519: EMDB EMDataResource

• Classification: RNA BINDING PROTEIN
• Organism(s): Homo sapiens, Escherichia coli K-12
• Expression System: Spodoptera frugiperda, Escherichia coli
• Mutation(s): No 


• Deposited: 2025-10-30 Released: 2026-01-28 
• Deposition Author(s): Kuhn, C.C., Chand, M.K., Todesca, S., Williams, K., Keidel, A., Garland, W., Jensen, T.H., Conti, E.
• Funding Organization(s): Max Planck Society, European Research Council (ERC), German Research Foundation (DFG), Novo Nordisk Foundation

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Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 2.10 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Literature

Direct coupling of the human nuclear exosome adaptors NEXT and PAXT with transcription termination and processing machinerieswith transcription termination machineries

Kuhn, C.C., Chand, M.K., Todesca, S., Williams, K., Keidel, A., Garland, W., Jensen, T.H., Conti, E.

(2026) Nucleic Acids Res 

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 3-mer - A1B1C1 

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

Biological Assembly Evidence: electron microscopy

Macromolecule Content 

• Total Structure Weight: 265.19 kDa 
• Atom Count: 12,487 
• Modeled Residue Count: 1,582 
• Deposited Residue Count: 2,373 
• Unique protein chains: 3

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Cleavage and polyadenylation specificity factor subunit 1	A	1,443	Homo sapiens	Mutation(s): 0  Gene Names: CPSF1
UniProt & NIH Common Fund Data Resources
Find proteins for Q10570 (Homo sapiens) Explore Q10570  Go to UniProtKB:  Q10570
PHAROS:  Q10570 GTEx:  ENSG00000071894

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
pre-mRNA 3' end processing protein WDR33	B	466	Homo sapiens	Mutation(s): 0  Gene Names: WDR33, WDC146
UniProt & NIH Common Fund Data Resources
Find proteins for Q9C0J8 (Homo sapiens) Explore Q9C0J8  Go to UniProtKB:  Q9C0J8
PHAROS:  Q9C0J8 GTEx:  ENSG00000136709

Entity ID: 3
Molecule	Chains	Sequence Length	Organism	Details	Image
Maltose/maltodextrin-binding periplasmic protein,Zinc finger CCCH domain-containing protein 18	C	464	Escherichia coli K-12, Homo sapiens	Mutation(s): 0  Gene Names: malE, b4034, JW3994, ZC3H18, NHN1
UniProt & NIH Common Fund Data Resources
Find proteins for P0AEX9 (Escherichia coli (strain K12)) Explore P0AEX9  Go to UniProtKB:  P0AEX9
Find proteins for Q86VM9 (Homo sapiens) Explore Q86VM9  Go to UniProtKB:  Q86VM9
PHAROS:  Q86VM9 GTEx:  ENSG00000158545
UniProt Groups	P0AEX9Q86VM9

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 2.10 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

EM Software:

Task	Software Package	Version
MODEL REFINEMENT	PHENIX	1.21.2_5419
RECONSTRUCTION	cryoSPARC

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2026-01-28 
Deposition Author(s): Kuhn, C.C., Chand, M.K., Todesca, S., Williams, K., Keidel, A., Garland, W., Jensen, T.H., Conti, E.

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Funding Organization	Location	Grant Number
Max Planck Society	Germany	--
European Research Council (ERC)	European Union	740329
European Research Council (ERC)	European Union	101054447
German Research Foundation (DFG)	Germany	SFB1035
Novo Nordisk Foundation	Denmark	31199

Revision History  

• Version 1.0: 2026-01-28
  Type: Initial release