8THK

Cryo-EM structure of A61603-bound alpha-1A-adrenergic receptor in complex with heterotrimeric Gq-protein

• PDB DOI: https://doi.org/10.2210/pdb8THK/pdb
• EM Map EMD-41267: EMDB EMDataResource

• Classification: SIGNALING PROTEIN
• Organism(s): Homo sapiens, Tequatrovirus T4
• Expression System: Spodoptera frugiperda
• Mutation(s): No 
• Membrane Protein: Yes  MemProtMD


• Deposited: 2023-07-17 Released: 2023-08-16 
• Deposition Author(s): Su, M., Huang, X.Y.
• Funding Organization(s): National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS), American Heart Association

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Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 2.60 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Literature

Structural basis of agonist specificity of alpha 1A-adrenergic receptor

Su, M., Wang, J., Xiang, G., Do, H.N., Levitz, J., Miao, Y., Huang, X.Y.

(2023) Nat Commun 14: 4819

• DOI: https://doi.org/10.1038/s41467-023-40524-2

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 5-mer - A1B1C1D1E1 

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

Biological Assembly Evidence: electron microscopy

Macromolecule Content

• Total Structure Weight: 160.83 kDa 
• Atom Count: 8,159 
• Modelled Residue Count: 1,080 
• Deposited Residue Count: 1,445 
• Unique protein chains: 5

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Guanine nucleotide-binding protein G(i) subunit alpha-2,Guanine nucleotide-binding protein G(s) subunit alpha isoforms short,Guanine nucleotide-binding protein G(q) subunit alpha	A	246	Homo sapiens	Mutation(s): 0  Gene Names: GNAI2, GNAI2B, GNAS, GNAS1, GSP, GNAQ, GAQ Membrane Entity: Yes
UniProt & NIH Common Fund Data Resources
Find proteins for P04899 (Homo sapiens) Explore P04899  Go to UniProtKB:  P04899
PHAROS:  P04899 GTEx:  ENSG00000114353
Find proteins for P63092 (Homo sapiens) Explore P63092  Go to UniProtKB:  P63092
PHAROS:  P63092 GTEx:  ENSG00000087460
Find proteins for P50148 (Homo sapiens) Explore P50148  Go to UniProtKB:  P50148
PHAROS:  P50148 GTEx:  ENSG00000156052
UniProt Groups	P63092P04899P50148

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1	B	358	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
Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2	C [auth G]	71	Homo sapiens	Mutation(s): 0  Gene Names: GNG2 Membrane Entity: Yes
UniProt & NIH Common Fund Data Resources
Find proteins for P59768 (Homo sapiens) Explore P59768  Go to UniProtKB:  P59768
PHAROS:  P59768 GTEx:  ENSG00000186469

Entity ID: 4
Molecule	Chains	Sequence Length	Organism	Details	Image
Single fab chain (scFv16)	D [auth F]	267	Homo sapiens	Mutation(s): 0

Entity ID: 5
Molecule	Chains	Sequence Length	Organism	Details	Image
Endolysin,Alpha-1A adrenergic receptor	E [auth R]	503	Tequatrovirus T4, Homo sapiens This entity is chimeric	Mutation(s): 0  Gene Names: E, ADRA1A, ADRA1C EC: 3.2.1.17 Membrane Entity: Yes
UniProt & NIH Common Fund Data Resources
Find proteins for P00720 (Enterobacteria phage T4) Explore P00720  Go to UniProtKB:  P00720
Find proteins for P35348 (Homo sapiens) Explore P35348  Go to UniProtKB:  P35348
PHAROS:  P35348 GTEx:  ENSG00000120907
UniProt Groups	P00720P35348

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
CGZ (Subject of Investigation/LOI)	F [auth R]	N-[(5S)-5-(4,5-dihydro-1H-imidazol-2-yl)-2-hydroxy-5,6,7,8-tetrahydronaphthalen-1-yl]methanesulfonamide C14 H19 N3 O3 S OQFCXJDXHCDLHX-NSHDSACASA-N

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 2.60 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2023-08-16 
Deposition Author(s): Su, M., Huang, X.Y.

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Funding Organization	Location	Grant Number
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)	United States	GM138676
American Heart Association	United States	23CDA1049353

Revision History  

• Version 1.0: 2023-08-16
  Type: Initial release