9JTC | pdb_00009jtc

Cryo-EM structure of bovine UBA7-UBE2L6-ISG15

• PDB DOI: https://doi.org/10.2210/pdb9JTC/pdb
• EM Map EMD-61794: EMDB EMDataResource

• Classification: IMMUNE SYSTEM
• Organism(s): Bos taurus
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2024-10-03 Released: 2025-03-05 
• Deposition Author(s): Chen, P.-T., Wu, K.-P.
• Funding Organization(s): Academia Sinica (Taiwan)

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Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 2.99 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Literature

Elucidating the Mechanism Underlying UBA7-UBE2L6 Disulfide Complex Formation.

Chen, P.-T., Yeh, J.-Y., Weng, J.-H., Wu, K.-P.

(2025) Elife 

• DOI: https://doi.org/10.7554/eLife.105638.1

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: 146.39 kDa 
• Atom Count: 9,158 
• Modeled Residue Count: 1,163 
• Deposited Residue Count: 1,311 
• Unique protein chains: 3

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
UBA7 protein	A	998	Bos taurus	Mutation(s): 0  Gene Names: UBA7
UniProt
Find proteins for Q5GF34 (Bos taurus) Explore Q5GF34  Go to UniProtKB:  Q5GF34

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Ubiquitin/ISG15-conjugating enzyme E2 L6	B	159	Bos taurus	Mutation(s): 0  Gene Names: UBE2L6 EC: 2.3.2.23
UniProt
Find proteins for A5PJC4 (Bos taurus) Explore A5PJC4  Go to UniProtKB:  A5PJC4

Entity ID: 3
Molecule	Chains	Sequence Length	Organism	Details	Image
Ubiquitin-like protein ISG15	C	154	Bos taurus	Mutation(s): 0  Gene Names: ISG15, G1P2, ISG17, UCRP
UniProt
Find proteins for O02741 (Bos taurus) Explore O02741  Go to UniProtKB:  O02741

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
AMP (Subject of Investigation/LOI)	D [auth C]	ADENOSINE MONOPHOSPHATE C10 H14 N5 O7 P UDMBCSSLTHHNCD-KQYNXXCUSA-N

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 2.99 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2025-03-05 
Deposition Author(s): Chen, P.-T., Wu, K.-P.

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Funding Organization	Location	Grant Number
Academia Sinica (Taiwan)	Taiwan	--

Revision History  

• Version 1.0: 2025-03-05
  Type: Initial release
  
• Version 1.1: 2025-03-19
  Changes: Data collection, Database references