9LKB | pdb_00009lkb

Cryo-EM structure of the receptor of PL45-Olfr110-Gs complex

• PDB DOI: https://doi.org/10.2210/pdb9LKB/pdb
• EM Map EMD-63174: EMDB EMDataResource

• Classification: MEMBRANE PROTEIN
• Organism(s): synthetic construct, Homo sapiens, Mus musculus
• Expression System: Spodoptera frugiperda
• Mutation(s): No 


• Deposited: 2025-01-16 Released: 2026-01-21 
• Deposition Author(s): Rong, N.K., Zhang, M.H., Yang, F., Sun, J.P.
• Funding Organization(s): National Natural Science Foundation of China (NSFC)

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Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 3.70 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Literature

Cryo-EM structure of the receptor of PL45-Olfr110-Gs complex

Rong, N.K., Zhang, M.H., Yang, F., Sun, J.P.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 3-mer - A1B1C1 

Biological assembly 1 assigned by authors and generated by (software)

Biological Assembly Evidence: electron microscopy

Macromolecule Content 

• Total Structure Weight: 115.41 kDa 
• Atom Count: 5,152 
• Modeled Residue Count: 762 
• Deposited Residue Count: 1,018 
• Unique protein chains: 3

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Guanine nucleotide-binding protein G(s) subunit alpha isoforms short	A [auth B]	361	synthetic construct	Mutation(s): 0

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1	B [auth C]	340	Homo sapiens	Mutation(s): 0  Gene Names: GNB1
UniProt & NIH Common Fund Data Resources
Find proteins for P62873 (Homo sapiens) Explore P62873  Go to UniProtKB:  P62873
PHAROS:  P62873 GTEx:  ENSG00000078369

Entity ID: 3
Molecule	Chains	Sequence Length	Organism	Details	Image
Olfactory receptor	C [auth R]	317	Mus musculus	Mutation(s): 0  Gene Names: Or5v1, Olfr110
UniProt
Find proteins for A2RT31 (Mus musculus) Explore A2RT31  Go to UniProtKB:  A2RT31

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
A1EKK (Subject of Investigation/LOI)	D [auth R]	methyl (9R,10E,12E)-9-methoxyoctadeca-10,12-dienoate C20 H36 O3 TTYSQURQVGCMHK-IOVFVLODSA-N

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 3.70 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

EM Software:

Task	Software Package	Version
MODEL REFINEMENT	PHENIX	1.18.2_3874
RECONSTRUCTION	cryoSPARC	4.1

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2026-01-21 
Deposition Author(s): Rong, N.K., Zhang, M.H., Yang, F., Sun, J.P.

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Funding Organization	Location	Grant Number
National Natural Science Foundation of China (NSFC)	China	81773704

Revision History  

• Version 1.0: 2026-01-21
  Type: Initial release