9EXS

Cryo-EM structure of Ch. thermophilum Rai1-Rat1 dimer.

• PDB DOI: https://doi.org/10.2210/pdb9EXS/pdb
• EM Map EMD-50048: EMDB EMDataResource

• Classification: RNA BINDING PROTEIN
• Organism(s): Thermochaetoides thermophila
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2024-04-08 Released: 2024-12-18 
• Deposition Author(s): Noskova, N., Dikunova, A., Stefl, R.
• Funding Organization(s): Czech Science Foundation

---

Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 3.28 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Literature

Assembly of the Xrn2/Rat1-Rai1-Rtt103 termination complexes in mesophilic and thermophilic organisms

Dikunova, A., Noskova, N., Overbeck, J.H., Polak, M., Stelzig, D., Zapletal, D., Kubicek, K., Novacek, J., Sprangers, R., Stefl, R.

(2024) Structure 

• DOI: https://doi.org/10.1016/j.str.2024.11.010

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: 166.18 kDa 
• Atom Count: 8,016 
• Modelled Residue Count: 1,004 
• Deposited Residue Count: 1,462 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Decapping nuclease	A	396	Thermochaetoides thermophila	Mutation(s): 0  Gene Names: CTHT_0061920 EC: 3.6.1
UniProt
Find proteins for G0SE00 (Chaetomium thermophilum (strain DSM 1495 / CBS 144.50 / IMI 039719)) Explore G0SE00  Go to UniProtKB:  G0SE00

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
5'-3' exoribonuclease	B	1,066	Thermochaetoides thermophila	Mutation(s): 0  Gene Names: CTHT_0008830 EC: 3.1.13
UniProt
Find proteins for G0S058 (Chaetomium thermophilum (strain DSM 1495 / CBS 144.50 / IMI 039719)) Explore G0S058  Go to UniProtKB:  G0S058

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
MG (Subject of Investigation/LOI)	C [auth A]	MAGNESIUM ION Mg JLVVSXFLKOJNIY-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 3.28 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

EM Software:

Task	Software Package	Version
RECONSTRUCTION	cryoSPARC	4.4.1

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2024-12-18 
Deposition Author(s): Noskova, N., Dikunova, A., Stefl, R.

---

Funding Organization	Location	Grant Number
Czech Science Foundation	Czech Republic	--

Revision History  

• Version 1.0: 2024-12-18
  Type: Initial release