9YUC | pdb_00009yuc

14-3-3 heterodimer bound to phosphorylated Pyrin linkers

• PDB DOI: https://doi.org/10.2210/pdb9YUC/pdb
• EM Map EMD-73503: EMDB EMDataResource

• Classification: IMMUNE SYSTEM
• Organism(s): Homo sapiens
• Expression System: Homo sapiens
• Mutation(s): No 


• Deposited: 2025-10-22 Released: 2026-11-04 
• Deposition Author(s): Liu, L., Wu, H.
• Funding Organization(s): National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)

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Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 4.07 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Literature

Structure of an immune regulatory complex

Liu, L., Wu, H.

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 and generated by (software)

Biological Assembly Evidence: electron microscopy

Macromolecule Content 

• Total Structure Weight: 55.48 kDa 
• Atom Count: 3,879 
• Modeled Residue Count: 483 
• Deposited Residue Count: 483 
• Unique protein chains: 4

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
14-3-3 protein epsilon	A	233	Homo sapiens	Mutation(s): 0  Gene Names: YWHAE
UniProt & NIH Common Fund Data Resources
Find proteins for P62258 (Homo sapiens) Explore P62258  Go to UniProtKB:  P62258
PHAROS:  P62258 GTEx:  ENSG00000108953

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
14-3-3 protein theta	B	230	Homo sapiens	Mutation(s): 0  Gene Names: YWHAQ
UniProt & NIH Common Fund Data Resources
Find proteins for P27348 (Homo sapiens) Explore P27348  Go to UniProtKB:  P27348
PHAROS:  P27348 GTEx:  ENSG00000134308

Entity ID: 3
Molecule	Chains	Sequence Length	Organism	Details	Image
phosphorylated Pyrin linker 1	C	9	Homo sapiens	Mutation(s): 0

Entity ID: 4
Molecule	Chains	Sequence Length	Organism	Details	Image
Pyrin	D	11	Homo sapiens	Mutation(s): 0  Gene Names: MEFV, MEF, TRIM20
UniProt & NIH Common Fund Data Resources
Find proteins for O15553 (Homo sapiens) Explore O15553  Go to UniProtKB:  O15553
PHAROS:  O15553 GTEx:  ENSG00000103313

Small Molecules

Modified Residues  1 Unique
ID	Chains	Modified Residue	Modification Type	Formula	2D Diagram
SEP	C, D	SER	Phosphorylation	C3 H8 N O6 P

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 4.07 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

EM Software:

Task	Software Package	Version
RECONSTRUCTION	cryoSPARC

Structure Validation

Entry History 

& Funding Information

Deposition Data

• Released Date: 2026-11-04 
Deposition Author(s): Liu, L., Wu, H.

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Funding Organization	Location	Grant Number
National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)	United States	--

Revision History  

• Version 1.0: 2026-11-04
  Type: Initial release