9JCE | pdb_00009jce

local refinement of FEM1B bound with TOM20

• PDB DOI: https://doi.org/10.2210/pdb9JCE/pdb
• EM Map EMD-61362: EMDB EMDataResource

• Classification: PROTEIN BINDING
• Organism(s): Homo sapiens
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2024-08-29 Released: 2025-04-09 
• Deposition Author(s): Zhao, S., Xu, C.
• Funding Organization(s): National Natural Science Foundation of China (NSFC)

---

Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 3.59 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Literature

TOM20-Driven E3 Ligase Recruitment Regulates Mitochondrial Dynamics Through PLD6

Xu, C., Zhao, S.

(2025) Nat Chem Biol 

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: 84.98 kDa 
• Atom Count: 5,511 
• Modelled Residue Count: 704 
• Deposited Residue Count: 757 
• Unique protein chains: 3

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Protein fem-1 homolog B	A	627	Homo sapiens	Mutation(s): 0  Gene Names: FEM1B, F1AA, KIAA0396
UniProt & NIH Common Fund Data Resources
Find proteins for Q9UK73 (Homo sapiens) Explore Q9UK73  Go to UniProtKB:  Q9UK73
PHAROS:  Q9UK73 GTEx:  ENSG00000169018

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Poly-UNK	B [auth C]	9	Homo sapiens	Mutation(s): 0

Entity ID: 3
Molecule	Chains	Sequence Length	Organism	Details	Image
Mitochondrial import receptor subunit TOM20 homolog	C [auth B]	121	Homo sapiens	Mutation(s): 0  Gene Names: TOMM20, KIAA0016
UniProt & NIH Common Fund Data Resources
Find proteins for Q15388 (Homo sapiens) Explore Q15388  Go to UniProtKB:  Q15388
PHAROS:  Q15388 GTEx:  ENSG00000173726

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 3.59 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2025-04-09 
Deposition Author(s): Zhao, S., Xu, C.

---

Funding Organization	Location	Grant Number
National Natural Science Foundation of China (NSFC)	China	--

Revision History  

• Version 1.0: 2025-04-09
  Type: Initial release