8QJ2

Structure of active state MC4R in complex with a potent ligand mimicking nanobody

• PDB DOI: https://doi.org/10.2210/pdb8QJ2/pdb
• EM Map EMD-18442: EMDB EMDataResource

• Classification: MEMBRANE PROTEIN
• Organism(s): Homo sapiens, Lama glama, Escherichia coli, Discosoma sp.
• Expression System: Trichoplusia ni, Escherichia coli
• Mutation(s): Yes 
• Membrane Protein: Yes  PDBTM


• Deposited: 2023-09-12 Released: 2024-09-25 
• Deposition Author(s): Busch, A., Jaakola, V.-P., Masiulis, S.
• Funding Organization(s): Other government

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Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 3.40 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Literature

Structure of active state MC4R in complex with a potent ligand mimicking nanobody

Busch, A., Jaakola, V.-P., Masiulis, S.

To be published.

Biological Assembly 1  

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

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

Biological Assembly Evidence: electron microscopy

Macromolecule Content

• Total Structure Weight: 201.92 kDa 
• Atom Count: 8,108 
• Modelled Residue Count: 1,064 
• Deposited Residue Count: 1,799 
• Unique protein chains: 6

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Guanine nucleotide-binding protein G(s) subunit alpha isoforms short	A [auth B]	394	Homo sapiens	Mutation(s): 9  Gene Names: GNAS EC: 3.6.5 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: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1	B [auth C]	350	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
Nanobody-35	D [auth N]	138	Lama glama	Mutation(s): 0

Entity ID: 5
Molecule	Chains	Sequence Length	Organism	Details	Image
Soluble cytochrome b562,Melanocortin receptor 4,Red fluorescent protein drFP583	E [auth A]	729	Escherichia coli, Homo sapiens, Discosoma sp. This entity is chimeric	Mutation(s): 32  Gene Names: cybC, MC4R Membrane Entity: Yes
UniProt & NIH Common Fund Data Resources
Find proteins for P0ABE7 (Escherichia coli) Explore P0ABE7  Go to UniProtKB:  P0ABE7
Find proteins for Q9U6Y8 (Discosoma sp.) Explore Q9U6Y8  Go to UniProtKB:  Q9U6Y8
Find proteins for P32245 (Homo sapiens) Explore P32245  Go to UniProtKB:  P32245
PHAROS:  P32245 GTEx:  ENSG00000166603
UniProt Groups	Q9U6Y8P0ABE7P32245

Entity ID: 6
Molecule	Chains	Sequence Length	Organism	Details	Image
pN162	F [auth D]	117	Lama glama	Mutation(s): 0

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 3.40 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2024-09-25 
Deposition Author(s): Busch, A., Jaakola, V.-P., Masiulis, S.

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Funding Organization	Location	Grant Number
Other government	Belgium	2016-R-49
Other government	Belgium	HBC_2020.2042

Revision History  

• Version 1.0: 2024-09-25
  Type: Initial release
  
• Version 1.1: 2024-10-23
  Changes: Data collection, Structure summary