9L4L | pdb_00009l4l

Structure of human SCMCcore complex contain NLRP2

• PDB DOI: https://doi.org/10.2210/pdb9L4L/pdb
• EM Map EMD-62815: EMDB EMDataResource

• Classification: CYTOSOLIC PROTEIN
• Organism(s): Homo sapiens
• Expression System: Homo sapiens
• Mutation(s): No 


• Deposited: 2024-12-20 Released: 2025-10-01 
• Deposition Author(s): Ou, G.J., Liu, Q.T., Jiao, H.Z., Han, Z., Li, J.H.
• Funding Organization(s): National Natural Science Foundation of China (NSFC)

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Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 3.40 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Literature

Structural assembly of the subcortical maternal complex SCMC

Ou, G.J., Liu, Q.T.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 4-mer - A1B1C1D1 Pseudo Symmetry: Asymmetric - C1 
Pseudo Stoichiometry: Hetero 4-mer - A2B1C1 

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: electron microscopy

Macromolecule Content 

• Total Structure Weight: 335.9 kDa 
• Atom Count: 18,186 
• Modeled Residue Count: 2,306 
• Deposited Residue Count: 2,983 
• Unique protein chains: 4

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
NACHT, LRR and PYD domains-containing protein 2	A	1,062	Homo sapiens	Mutation(s): 0  Gene Names: NLRP2, NALP2, NBS1, PAN1, PYPAF2
UniProt & NIH Common Fund Data Resources
Find proteins for Q9NX02 (Homo sapiens) Explore Q9NX02  Go to UniProtKB:  Q9NX02
PHAROS:  Q9NX02 GTEx:  ENSG00000022556

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
NACHT, LRR and PYD domains-containing protein 5	B [auth D]	1,200	Homo sapiens	Mutation(s): 0  Gene Names: NLRP5, MATER, NALP5
UniProt & NIH Common Fund Data Resources
Find proteins for P59047 (Homo sapiens) Explore P59047  Go to UniProtKB:  P59047
GTEx:  ENSG00000171487

Entity ID: 3
Molecule	Chains	Sequence Length	Organism	Details	Image
Oocyte-expressed protein homolog	C [auth B]	149	Homo sapiens	Mutation(s): 0  Gene Names: OOEP, C6orf156, KHDC2, OEP19
UniProt & NIH Common Fund Data Resources
Find proteins for A6NGQ2 (Homo sapiens) Explore A6NGQ2  Go to UniProtKB:  A6NGQ2
GTEx:  ENSG00000203907

Entity ID: 4
Molecule	Chains	Sequence Length	Organism	Details	Image
Transducin-like enhancer protein 6	D [auth C]	572	Homo sapiens	Mutation(s): 0  Gene Names: TLE6
UniProt & NIH Common Fund Data Resources
Find proteins for Q9H808 (Homo sapiens) Explore Q9H808  Go to UniProtKB:  Q9H808
PHAROS:  Q9H808 GTEx:  ENSG00000104953

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 3.40 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

EM Software:

Task	Software Package	Version
MODEL REFINEMENT	PHENIX

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2025-10-01 
Deposition Author(s): Ou, G.J., Liu, Q.T., Jiao, H.Z., Han, Z., Li, J.H.

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Funding Organization	Location	Grant Number
National Natural Science Foundation of China (NSFC)	China	82401959

Revision History  

• Version 1.0: 2025-10-01
  Type: Initial release