7NA8

Structures of human ghrelin receptor-Gi complexes with ghrelin and a synthetic agonist

• PDB DOI: https://doi.org/10.2210/pdb7NA8/pdb
• EM Map EMD-24268: EMDB EMDataResource

• Classification: MEMBRANE PROTEIN
• Organism(s): Homo sapiens, Mus musculus
• Expression System: Insect expression vector pBlueBacmsGCA1His
• Mutation(s): No 
• Membrane Protein: Yes  OPMPDBTMMemProtMDmpstruc


• Deposited: 2021-06-20 Released: 2021-12-15 
• Deposition Author(s): Liu, H., Sun, D., Sun, J., Zhang, C.
• Funding Organization(s): National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS), National Institutes of Health/Eunice Kennedy Shriver National Institute of Child Health & Human Development (NIH/NICHD)

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Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 2.70 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Literature

Structural basis of human ghrelin receptor signaling by ghrelin and the synthetic agonist ibutamoren

Liu, H., Sun, D., Myasnikov, A., Damian, M., Baneres, J.L., Sun, J., Zhang, C.

(2021) Nat Commun 12: 6410

• DOI: https://doi.org/10.1038/s41467-021-26735-5

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: gel filtration

Macromolecule Content

• Total Structure Weight: 154.25 kDa 
• Atom Count: 8,888 
• Modelled Residue Count: 1,124 
• Deposited Residue Count: 1,377 
• Unique protein chains: 5

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Guanine nucleotide-binding protein G(i) subunit alpha-1	A	354	Homo sapiens	Mutation(s): 0  Gene Names: GNAI1 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

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1	B	340	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
Antibody fragment	D [auth N]	246	Mus musculus	Mutation(s): 0

Entity ID: 5
Molecule	Chains	Sequence Length	Organism	Details	Image
Growth hormone secretagogue receptor type 1	E [auth R]	366	Homo sapiens	Mutation(s): 0  Gene Names: GHSR Membrane Entity: Yes
UniProt & NIH Common Fund Data Resources
Find proteins for Q92847 (Homo sapiens) Explore Q92847  Go to UniProtKB:  Q92847
PHAROS:  Q92847 GTEx:  ENSG00000121853

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
1KD (Subject of Investigation/LOI)	F [auth R]	1-(methanesulfonyl)-1'-(2-methyl-L-alanyl-O-benzyl-D-seryl)-1,2-dihydrospiro[indole-3,4'-piperidine] C27 H36 N4 O5 S UMUPQWIGCOZEOY-JOCHJYFZSA-N
CLR	G [auth R]	CHOLESTEROL C27 H46 O HVYWMOMLDIMFJA-DPAQBDIFSA-N

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 2.70 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2021-12-15 
Deposition Author(s): Liu, H., Sun, D., Sun, J., Zhang, C.

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Funding Organization	Location	Grant Number
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)	United States	R35GM128641
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)	United States	R03TR003306
National Institutes of Health/Eunice Kennedy Shriver National Institute of Child Health & Human Development (NIH/NICHD)	United States	HL143037

Revision History  

• Version 1.0: 2021-12-15
  Type: Initial release