9K6W | pdb_00009k6w

Pentraxin Domain of PTX3 Dimer

• PDB DOI: https://doi.org/10.2210/pdb9K6W/pdb
• EM Map EMD-62138: EMDB EMDataResource

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


• Deposited: 2024-10-22 Released: 2025-10-22 
• Deposition Author(s): Guo, H.H., Zhang, H.W.
• Funding Organization(s): National Natural Science Foundation of China (NSFC)

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Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 7.50 Å
• Aggregation State: CELL 
• Reconstruction Method: SINGLE PARTICLE 

Literature

Pentraxin Domain of PTX3 Dimer

Guo, H.H., Zhang, H.W.

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: electron microscopy

Macromolecule Content 

• Total Structure Weight: 45.04 kDa 
• Atom Count: 3,162 
• Modeled Residue Count: 414 
• Deposited Residue Count: 414 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Pentraxin-related protein PTX3	A, B [auth H]	207	Homo sapiens	Mutation(s): 0  Gene Names: PTX3, TNFAIP5, TSG14
UniProt & NIH Common Fund Data Resources
Find proteins for P26022 (Homo sapiens) Explore P26022  Go to UniProtKB:  P26022
PHAROS:  P26022 GTEx:  ENSG00000163661

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 7.50 Å
• Aggregation State: CELL 
• Reconstruction Method: SINGLE PARTICLE 

EM Software:

Task	Software Package	Version
MODEL REFINEMENT	PHENIX

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2025-10-22 
Deposition Author(s): Guo, H.H., Zhang, H.W.

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

Revision History  

• Version 1.0: 2025-10-22
  Type: Initial release