8WU1

Cryo-EM structure of CB1-beta-arrestin1 complex

• PDB DOI: https://doi.org/10.2210/pdb8WU1/pdb
• EM Map EMD-37849: EMDB EMDataResource

• Classification: MEMBRANE PROTEIN
• Organism(s): Bos taurus, Homo sapiens
• Expression System: Spodoptera frugiperda, Escherichia coli BL21(DE3)
• Mutation(s): Yes 


• Deposited: 2023-10-19 Released: 2024-03-20 
• Deposition Author(s): Liao, Y., Zhang, H., Shen, Q., Cai, C.
• Funding Organization(s): National Natural Science Foundation of China (NSFC)

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Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 3.20 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Literature

Cryo-EM structure of CB1-beta-arrestin1 complex

Liao, Y., Zhang, H., Shen, Q., Cai, C.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 4-mer - A1B1C1D1 Pseudo Symmetry: Asymmetric - C1 
Pseudo Stoichiometry: Hetero 4-mer - A2B1C1 

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: electron microscopy

Macromolecule Content

• Total Structure Weight: 143.93 kDa 
• Atom Count: 7,250 
• Modelled Residue Count: 1,014 
• Deposited Residue Count: 1,289 
• Unique protein chains: 4

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Beta-arrestin-1	A [auth C]	393	Bos taurus	Mutation(s): 4  Gene Names: ARRB1
UniProt
Find proteins for P17870 (Bos taurus) Explore P17870  Go to UniProtKB:  P17870

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Fab30 heavy chain	B [auth H]	238	Homo sapiens	Mutation(s): 0

Entity ID: 3
Molecule	Chains	Sequence Length	Organism	Details	Image
Fab30 light chain	C [auth L]	215	Homo sapiens	Mutation(s): 0

Entity ID: 4
Molecule	Chains	Sequence Length	Organism	Details	Image
Cannabinoid receptor 1,Vasopressin V2 receptor	D [auth R]	443	Homo sapiens	Mutation(s): 0  Gene Names: CNR1, AVPR2
UniProt & NIH Common Fund Data Resources
Find proteins for P30518 (Homo sapiens) Explore P30518  Go to UniProtKB:  P30518
PHAROS:  P30518 GTEx:  ENSG00000126895
Find proteins for P21554 (Homo sapiens) Explore P21554  Go to UniProtKB:  P21554
PHAROS:  P21554 GTEx:  ENSG00000118432
UniProt Groups	P21554P30518

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
KCA	E [auth R]	methyl N-{1-[(4-fluorophenyl)methyl]-1H-indazole-3-carbonyl}-3-methyl-L-valinate C22 H24 F N3 O3 RFCDVEHNYDVCMU-LJQANCHMSA-N

Modified Residues  2 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
SEP	D [auth R]	L-PEPTIDE LINKING	C3 H8 N O6 P		SER
TPO	D [auth R]	L-PEPTIDE LINKING	C4 H10 N O6 P		THR

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 3.20 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2024-03-20 
Deposition Author(s): Liao, Y., Zhang, H., Shen, Q., Cai, C.

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

Revision History  

• Version 1.0: 2024-03-20
  Type: Initial release