8H0Q

Structure of the GRP14-27-GRPR-Gq complex

• PDB DOI: https://doi.org/10.2210/pdb8H0Q/pdb
• EM Map EMD-34414: EMDB EMDataResource

• Classification: MEMBRANE PROTEIN
• Organism(s): Homo sapiens, Mus musculus
• Expression System: Trichoplusia ni
• Mutation(s): Yes 
• Membrane Protein: Yes  PDBTMMemProtMD


• Deposited: 2022-09-30 Released: 2023-08-09 
• Deposition Author(s): Li, C., Xu, Y., Liu, H., Cai, H., Xu, H.E., Yin, W.
• Funding Organization(s): National Natural Science Foundation of China (NSFC)

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Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 3.30 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Literature

Molecular recognition of itch-associated neuropeptides by bombesin receptors

Li, C., Xu, Y., Liu, H., Cai, H., Jiang, Y., Xu, H.E., Yin, W.

(2023) Cell Res 33: 184-187

• DOI: https://doi.org/10.1038/s41422-022-00743-6

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 6-mer - A1B1C1D1E1F1 

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: gel filtration

Macromolecule Content

• Total Structure Weight: 159.12 kDa 
• Atom Count: 8,949 
• Modelled Residue Count: 1,134 
• Deposited Residue Count: 1,415 
• Unique protein chains: 6

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Gastrin-releasing peptide receptor	A [auth R]	384	Homo sapiens	Mutation(s): 1  Gene Names: GRPR Membrane Entity: Yes
UniProt & NIH Common Fund Data Resources
Find proteins for P30550 (Homo sapiens) Explore P30550  Go to UniProtKB:  P30550
PHAROS:  P30550 GTEx:  ENSG00000126010

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
GRP	B [auth L]	9	Homo sapiens	Mutation(s): 0  Membrane Entity: Yes
UniProt & NIH Common Fund Data Resources
Find proteins for P07492 (Homo sapiens) Explore P07492  Go to UniProtKB:  P07492
PHAROS:  P07492 GTEx:  ENSG00000134443

Entity ID: 3
Molecule	Chains	Sequence Length	Organism	Details	Image
G-alpha q	C [auth A]	361	Homo sapiens	Mutation(s): 0  Membrane Entity: Yes
UniProt & NIH Common Fund Data Resources
Find proteins for P63096 (Homo sapiens) Explore P63096  Go to UniProtKB:  P63096
PHAROS:  P63096 GTEx:  ENSG00000127955
Find proteins for P63092 (Homo sapiens) Explore P63092  Go to UniProtKB:  P63092
PHAROS:  P63092 GTEx:  ENSG00000087460
UniProt Groups	P63096P63092

Entity ID: 4
Molecule	Chains	Sequence Length	Organism	Details	Image
Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1	D [auth B]	343	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: 5
Molecule	Chains	Sequence Length	Organism	Details	Image
scFv16	E	247	Mus musculus	Mutation(s): 0

Entity ID: 6
Molecule	Chains	Sequence Length	Organism	Details	Image
Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2	F [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

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
CLR	G [auth R], H [auth R], I [auth R]	CHOLESTEROL C27 H46 O HVYWMOMLDIMFJA-DPAQBDIFSA-N

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 3.30 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2023-08-09 
Deposition Author(s): Li, C., Xu, Y., Liu, H., Cai, H., Xu, H.E., Yin, W.

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Funding Organization	Location	Grant Number
National Natural Science Foundation of China (NSFC)	China	81902085
National Natural Science Foundation of China (NSFC)	China	32130022

Revision History  

• Version 1.0: 2023-08-09
  Type: Initial release