7YO3

Cryo-EM structure of human Slo1-LRRC26 complex with C4 symmetry

• PDB DOI: https://doi.org/10.2210/pdb7YO3/pdb
• EM Map EMD-33980: EMDB EMDataResource

• Classification: TRANSPORT PROTEIN
• Organism(s): Homo sapiens
• Expression System: Homo sapiens
• Mutation(s): Yes 
• Membrane Protein: Yes  PDBTMMemProtMD


• Deposited: 2022-08-01 Released: 2023-08-30 
• Deposition Author(s): Yamanouchi, D., Nureki, O.
• Funding Organization(s): Japan Society for the Promotion of Science (JSPS)

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Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 3.10 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Literature

Structural basis for dual allosteric gating modulation of Slo1-LRRC channel complex

Yamanouchi, D.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 2-mer - A1B1 

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: gel filtration

Macromolecule Content

• Total Structure Weight: 154.46 kDa 
• Atom Count: 8,961 
• Modelled Residue Count: 1,144 
• Deposited Residue Count: 1,394 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Calcium-activated potassium channel subunit alpha-1	A	1,060	Homo sapiens	Mutation(s): 1  Gene Names: KCNMA1 Membrane Entity: Yes
UniProt & NIH Common Fund Data Resources
Find proteins for Q12791 (Homo sapiens) Explore Q12791  Go to UniProtKB:  Q12791
PHAROS:  Q12791 GTEx:  ENSG00000156113

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Leucine-rich repeat-containing protein 26	B	334	Homo sapiens	Mutation(s): 0  Gene Names: LRRC26, CAPC Membrane Entity: Yes
UniProt & NIH Common Fund Data Resources
Find proteins for Q2I0M4 (Homo sapiens) Explore Q2I0M4  Go to UniProtKB:  Q2I0M4
PHAROS:  Q2I0M4 GTEx:  ENSG00000184709

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
CA	D [auth A], E [auth A]	CALCIUM ION Ca BHPQYMZQTOCNFJ-UHFFFAOYSA-N
MG (Subject of Investigation/LOI)	C [auth A]	MAGNESIUM ION Mg JLVVSXFLKOJNIY-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 3.10 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2023-08-30 
Deposition Author(s): Yamanouchi, D., Nureki, O.

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Funding Organization	Location	Grant Number
Japan Society for the Promotion of Science (JSPS)	Japan	--

Revision History  

• Version 1.0: 2023-08-30
  Type: Initial release