8V3D

AgamOR28 structure bound to 2,4,5-trimethylthiazole

• PDB DOI: https://doi.org/10.2210/pdb8V3D/pdb
• EM Map EMD-42946: EMDB EMDataResource

• Classification: MEMBRANE PROTEIN
• Organism(s): Apocrypta bakeri, Anopheles gambiae
• Expression System: Homo sapiens
• Mutation(s): No 


• Deposited: 2023-11-27 Released: 2024-06-19 
• Deposition Author(s): Zhao, J., del Marmol, J.
• Funding Organization(s): National Institutes of Health/National Institute on Deafness and Other Communication Disorders (NIH/NIDCD), Howard Hughes Medical Institute (HHMI)

---

Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 2.95 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Literature

Structural basis of odor sensing by insect heteromeric odorant receptors

Zhao, J., Chen, A.Q., Ryu, J., del Marmol, J.

(2024) Science 

• DOI: https://doi.org/10.1126/science.adn6384

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 4-mer - A3B1 Pseudo Symmetry: Asymmetric - C1 
Pseudo Stoichiometry: Homo 4-mer - A4 

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: electron microscopy

Macromolecule Content

• Total Structure Weight: 205.57 kDa 
• Atom Count: 12,636 
• Modelled Residue Count: 1,578 
• Deposited Residue Count: 1,820 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Odorant receptor Orco	A, B, C	474	Apocrypta bakeri	Mutation(s): 0  Gene Names: Or2
UniProt
Find proteins for B0FAQ4 (Apocrypta bakeri) Explore B0FAQ4  Go to UniProtKB:  B0FAQ4

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
OR28	D	398	Anopheles gambiae	Mutation(s): 0
UniProt
Find proteins for A0A1S4GFY3 (Anopheles gambiae) Explore A0A1S4GFY3  Go to UniProtKB:  A0A1S4GFY3

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
A1AFC (Subject of Investigation/LOI)	E [auth D]	2,4,5-trimethyl-1,3-thiazole C6 H9 N S BAMPVSWRQZNDQC-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 2.95 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

EM Software:

Task	Software Package	Version
MODEL REFINEMENT	PHENIX	1.21_5207

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2024-06-19 
Deposition Author(s): Zhao, J., del Marmol, J.

---

Funding Organization	Location	Grant Number
National Institutes of Health/National Institute on Deafness and Other Communication Disorders (NIH/NIDCD)	United States	5R00DC019401
Howard Hughes Medical Institute (HHMI)	United States	--

Revision History  

• Version 1.0: 2024-06-19
  Type: Initial release