8S8B | pdb_00008s8b

Phenylalanyl-tRNA Synthetase Domain Swap: evolutionary advantage?

• PDB DOI: https://doi.org/10.2210/pdb8S8B/pdb
• EM Map EMD-19800: EMDB EMDataResource

• Classification: RNA BINDING PROTEIN
• Organism(s): Caenorhabditis tropicalis
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2024-03-06 Released: 2025-03-19 
• Deposition Author(s): Real-Hohn, A., Ross, J.J., Stefania, V., Burga, A., Dong, G.
• Funding Organization(s): Austrian Science Fund

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Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 2.80 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Starting Model: in silico

Literature

Phenylalanyl-tRNA Synthetase Domain Swap: evolutionary advantage?

Real-Hohn, A., Ross, J.J., Stefania, V., Burga, A., Dong, G.

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Hetero 4-mer - A2B2 

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: light scattering

Macromolecule Content 

• Total Structure Weight: 245.54 kDa 
• Atom Count: 14,396 
• Modeled Residue Count: 1,802 
• Deposited Residue Count: 2,172 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Phenylalanyl-tRNA Synthetase alpha subunit	A, B	496	Caenorhabditis tropicalis	Mutation(s): 0  EC: 6.1.1.20
UniProt
Find proteins for G0NK31 (Caenorhabditis brenneri) Explore G0NK31  Go to UniProtKB:  G0NK31

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Phenylalanyl-tRNA Synthetase beta subunit	C, D	590	Caenorhabditis tropicalis	Mutation(s): 0  EC: 6.1.1.20
UniProt
Find proteins for Q19713 (Caenorhabditis elegans) Explore Q19713  Go to UniProtKB:  Q19713

Small Molecules

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

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 2.80 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Structure Validation

Entry History 

& Funding Information

Deposition Data

• Released Date: 2025-03-19 
Deposition Author(s): Real-Hohn, A., Ross, J.J., Stefania, V., Burga, A., Dong, G.

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Funding Organization	Location	Grant Number
Austrian Science Fund	Austria	P34880

Revision History  

• Version 1.0: 2025-03-19
  Type: Initial release