9C8D | pdb_00009c8d

mouse Seipin/Adig complex

• PDB DOI: https://doi.org/10.2210/pdb9C8D/pdb
• EM Map EMD-45301: EMDB EMDataResource

• Classification: MEMBRANE PROTEIN
• Organism(s): Mus musculus
• Expression System: Homo sapiens
• Mutation(s): No 


• Deposited: 2024-06-12 Released: 2025-08-27 
• Deposition Author(s): Li, C., Han, Y., Wynn, R.M., Chen, Z., Scherer, P.E.
• Funding Organization(s): National Institutes of Health/National Institute of Diabetes and Digestive and Kidney Disease (NIH/NIDDK)

---

Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 2.98 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Literature

Adipogenin Dictates Adipose Tissue Expansion by Facilitating the Assembly of a Dodecameric Seipin Complex

Li, C., Sun, X.

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C12  (Explore in 3D)
Global Stoichiometry: Hetero 24-mer - A12B12 

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: electron microscopy

Macromolecule Content 

• Total Structure Weight: 741.13 kDa 
• Atom Count: 21,468 
• Modeled Residue Count: 2,664 
• Deposited Residue Count: 6,576 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Seipin	A, B, C, D, E, F, G, H, I, J, K, L	454	Mus musculus	Mutation(s): 0  Gene Names: Bscl2
UniProt & NIH Common Fund Data Resources
Find proteins for A0A0R4J225 (Mus musculus) Explore A0A0R4J225  Go to UniProtKB:  A0A0R4J225
IMPC:  MGI:1298392

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Adipogenin	M, N, O, P, Q, R, S, T, U, V, W, X	94	Mus musculus	Mutation(s): 0  Gene Names: Adig, Smaf1
UniProt & NIH Common Fund Data Resources
Find proteins for Q8R400 (Mus musculus) Explore Q8R400  Go to UniProtKB:  Q8R400
IMPC:  MGI:2675492

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 2.98 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

EM Software:

Task	Software Package	Version
MODEL REFINEMENT	PHENIX
RECONSTRUCTION	cryoSPARC

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2025-08-27 
Deposition Author(s): Li, C., Han, Y., Wynn, R.M., Chen, Z., Scherer, P.E.

---

Funding Organization	Location	Grant Number
National Institutes of Health/National Institute of Diabetes and Digestive and Kidney Disease (NIH/NIDDK)	United States	RC2-DK118620
National Institutes of Health/National Institute of Diabetes and Digestive and Kidney Disease (NIH/NIDDK)	United States	R01- DK55758
National Institutes of Health/National Institute of Diabetes and Digestive and Kidney Disease (NIH/NIDDK)	United States	R01-DK099110
National Institutes of Health/National Institute of Diabetes and Digestive and Kidney Disease (NIH/NIDDK)	United States	R01-DK127274
National Institutes of Health/National Institute of Diabetes and Digestive and Kidney Disease (NIH/NIDDK)	United States	R01-DK131537

Revision History  

• Version 1.0: 2025-08-27
  Type: Initial release