8V45

CryoEM structure of AriA-Ocr complex

• PDB DOI: https://doi.org/10.2210/pdb8V45/pdb
• EM Map EMD-42965: EMDB EMDataResource

• Classification: IMMUNE SYSTEM
• Organism(s): Escherichia coli B185, Escherichia phage T7
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2023-11-28 Released: 2024-06-26 
• Deposition Author(s): Deep, A., Corbett, K.D.
• Funding Organization(s): National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)

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Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 3.63 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Literature

CryoEM structure of AriA-Ocr complex

Deep, A., Corbett, K.D.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 8-mer - A6B2 Local Symmetry: Dihedral - D3  (Explore in 3D)
Local Stoichiometry: Homo 6-mer - A6 

Local Symmetry: Dihedral - D3  (Explore in 3D)
Local Stoichiometry: Homo 6-mer - A6 

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

Biological Assembly Evidence: electron microscopy

Macromolecule Content

• Total Structure Weight: 349.4 kDa 
• Atom Count: 19,813 
• Modelled Residue Count: 2,485 
• Deposited Residue Count: 3,018 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
AriA antitoxin	A, B, C, D, E, F	464	Escherichia coli B185	Mutation(s): 0  Gene Names: ECDG_03487

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Protein Ocr	G [auth O], H [auth P]	117	Escherichia phage T7	Mutation(s): 0  Gene Names: 0.3
UniProt
Find proteins for P03775 (Escherichia phage T7) Explore P03775  Go to UniProtKB:  P03775

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
ATP (Subject of Investigation/LOI)	I [auth A], J [auth B], K [auth C], L [auth F]	ADENOSINE-5'-TRIPHOSPHATE C10 H16 N5 O13 P3 ZKHQWZAMYRWXGA-KQYNXXCUSA-N

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 3.63 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

EM Software:

Task	Software Package	Version
MODEL REFINEMENT	PHENIX	1.21rc1_5127

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2024-06-26 
Deposition Author(s): Deep, A., Corbett, K.D.

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Funding Organization	Location	Grant Number
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)	United States	GM144121

Revision History  

• Version 1.0: 2024-06-26
  Type: Initial release