9U3P | pdb_00009u3p

Cryo-EM structure of human AC9-Gs complex (soluble domain)

• PDB DOI: https://doi.org/10.2210/pdb9U3P/pdb
• EM Map EMD-63823: EMDB EMDataResource

• Classification: MEMBRANE PROTEIN
• Organism(s): Homo sapiens, human respiratory syncytial virus
• Expression System: Homo sapiens, Spodoptera frugiperda
• Mutation(s): No 


• Deposited: 2025-03-18 Released: 2025-06-11 
• Deposition Author(s): Suzuki, S., Nomura, R., Suzuki, H., Nishikawa, K., Fujiyoshi, Y.
• Funding Organization(s): Japan Society for the Promotion of Science (JSPS)

---

Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 2.65 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Literature

Activation mechanism of human adenylyl cyclase 9 observed by cryo-electron microscopy

Nomura, S., Suzuki, S., Nishikawa, K., Suzuki, H., Fujiyoshi, Y.

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: electron microscopy

Macromolecule Content 

• Total Structure Weight: 231.45 kDa 
• Atom Count: 6,655 
• Modeled Residue Count: 828 
• Deposited Residue Count: 2,045 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Adenylate cyclase type 9,Protein M2-1	A	1,622	Homo sapiens, human respiratory syncytial virus This entity is chimeric	Mutation(s): 0  Gene Names: ADCY9, KIAA0520, M2-1mGFP EC: 4.6.1.1
UniProt & NIH Common Fund Data Resources
Find proteins for O60503 (Homo sapiens) Explore O60503  Go to UniProtKB:  O60503
PHAROS:  O60503 GTEx:  ENSG00000162104

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Guanine nucleotide-binding protein G(s) subunit alpha isoforms short	B	423	Homo sapiens	Mutation(s): 0  Gene Names: GNAS, GNAS1, GSP EC: 3.6.5
UniProt & NIH Common Fund Data Resources
Find proteins for P63092 (Homo sapiens) Explore P63092  Go to UniProtKB:  P63092
PHAROS:  P63092 GTEx:  ENSG00000087460

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
GSP (Subject of Investigation/LOI)	C [auth B]	5'-GUANOSINE-DIPHOSPHATE-MONOTHIOPHOSPHATE C10 H16 N5 O13 P3 S XOFLBQFBSOEHOG-UUOKFMHZSA-N
MG (Subject of Investigation/LOI)	D [auth B]	MAGNESIUM ION Mg JLVVSXFLKOJNIY-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 2.65 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

EM Software:

Task	Software Package	Version
MODEL REFINEMENT	PHENIX	1.20.1_4487

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2025-06-11 
Deposition Author(s): Suzuki, S., Nomura, R., Suzuki, H., Nishikawa, K., Fujiyoshi, Y.

---

Funding Organization	Location	Grant Number
Japan Society for the Promotion of Science (JSPS)	Japan	20H00451
Japan Society for the Promotion of Science (JSPS)	Japan	20K17245

Revision History  

• Version 1.0: 2025-06-11
  Type: Initial release