22UH | pdb_000022uh

Synechococcus elongatus PCC7942 SeOmp85

• PDB DOI: https://doi.org/10.2210/pdb22UH/pdb
• EM Map EMD-68681: EMDB EMDataResource

• Classification: MEMBRANE PROTEIN
• Organism(s): Synechococcus elongatus PCC 7942 = FACHB-805
• Expression System: Synechococcus elongatus PCC 7942 = FACHB-805
• Mutation(s): No 


• Deposited: 2026-01-23 Released: 2026-10-28 
• Deposition Author(s): Chen, Y.L., Li, H.M.
• Funding Organization(s): Academia Sinica (Taiwan), National Science Council (NSC, Taiwan)

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Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 3.13 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Literature

Structure and function of cyanobacterial Omp85 reveal Toc159/Toc90 as a chloroplast protein import pore

Chen, Y.L., Li, H.M., Chang, Y.C.

(2026) Nat Commun 

• DOI: https://doi.org/10.1038/s41467-026-78967-y

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: electron microscopy

Macromolecule Content 

• Total Structure Weight: 65.19 kDa 
• Atom Count: 4,587 
• Modeled Residue Count: 600 
• Deposited Residue Count: 603 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Outer envelope membrane protein	A	603	Synechococcus elongatus PCC 7942 = FACHB-805	Mutation(s): 0  Gene Names: Synpcc7942_0928
UniProt
Find proteins for Q31PR1 (Synechococcus elongatus (strain ATCC 33912 / PCC 7942 / FACHB-805)) Explore Q31PR1  Go to UniProtKB:  Q31PR1

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 3.13 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: 2026-10-28 
Deposition Author(s): Chen, Y.L., Li, H.M.

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Funding Organization	Location	Grant Number
Academia Sinica (Taiwan)	Taiwan	--
National Science Council (NSC, Taiwan)	Taiwan	NSTC 113-2326-B-001-011
National Science Council (NSC, Taiwan)	Taiwan	NSTC 112-2326-B-001-009

Revision History  

• Version 1.0: 2026-10-28
  Type: Initial release