7WQ4

Galanin-bound galanin receptor 2 in complex with Gq

• PDB DOI: https://doi.org/10.2210/pdb7WQ4/pdb
• EM Map EMD-32699: EMDB EMDataResource

• Classification: MEMBRANE PROTEIN
• Organism(s): Homo sapiens, Rattus, Lama glama, Bos taurus
• Expression System: Spodoptera frugiperda, Escherichia coli
• Mutation(s): No 
• Membrane Protein: Yes  OPMPDBTMMemProtMD


• Deposited: 2022-01-24 Released: 2022-04-20 
• Deposition Author(s): Duan, J., Shen, D.D., Xu, H.E., Zhang, Y., Jiang, Y.
• Funding Organization(s): National Natural Science Foundation of China (NSFC)

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Experimental Data Snapshot

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

Literature

Molecular basis for allosteric agonism and G protein subtype selectivity of galanin receptors

Duan, J., Shen, D.D., Zhao, T., Guo, S., He, X., Yin, W., Xu, P., Ji, Y., Chen, L.N., Liu, J., Zhang, H., Liu, Q., Shi, Y., Cheng, X., Jiang, H., Eric Xu, H., Zhang, Y., Xie, X., Jiang, Y.

(2022) Nat Commun 13: 1364

• DOI: https://doi.org/10.1038/s41467-022-29072-3

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: electron microscopy

Macromolecule Content

• Total Structure Weight: 147.38 kDa 
• Atom Count: 8,290 
• Modelled Residue Count: 1,048 
• Deposited Residue Count: 1,323 
• Unique protein chains: 6

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Galanin receptor type 2	A [auth R]	387	Homo sapiens	Mutation(s): 0  Gene Names: GALR2, GALNR2 Membrane Entity: Yes
UniProt & NIH Common Fund Data Resources
Find proteins for O43603 (Homo sapiens) Explore O43603  Go to UniProtKB:  O43603
PHAROS:  O43603 GTEx:  ENSG00000182687

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Galanin	B [auth L]	30	Homo sapiens	Mutation(s): 0  Membrane Entity: Yes
UniProt & NIH Common Fund Data Resources
Find proteins for P22466 (Homo sapiens) Explore P22466  Go to UniProtKB:  P22466
PHAROS:  P22466 GTEx:  ENSG00000069482

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

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]	340	Rattus	Mutation(s): 0  Gene Names: Gnb1
UniProt
Find proteins for P54311 (Rattus norvegicus) Explore P54311  Go to UniProtKB:  P54311

Entity ID: 5
Molecule	Chains	Sequence Length	Organism	Details	Image
Nb35	E [auth N]	134	Lama glama	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	Bos taurus	Mutation(s): 0  Gene Names: GNG2 Membrane Entity: Yes
UniProt
Find proteins for P63212 (Bos taurus) Explore P63212  Go to UniProtKB:  P63212

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
CLR	G [auth R], H [auth R]	CHOLESTEROL C27 H46 O HVYWMOMLDIMFJA-DPAQBDIFSA-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: 2022-04-20 
Deposition Author(s): Duan, J., Shen, D.D., Xu, H.E., Zhang, Y., Jiang, Y.

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

Revision History  

• Version 1.0: 2022-04-20
  Type: Initial release
  
• Version 1.1: 2022-10-19
  Changes: Database references