8WWK

MCH-MCHR1-Gi complex, T1 state

• PDB DOI: https://doi.org/10.2210/pdb8WWK/pdb
• EM Map EMD-37891: EMDB EMDataResource

• Classification: MEMBRANE PROTEIN
• Organism(s): Homo sapiens, synthetic construct
• Expression System: Baculovirus expression vector pFastBac1-HM
• Mutation(s): No 
• Membrane Protein: Yes  PDBTM


• Deposited: 2023-10-25 Released: 2024-11-13 
• Deposition Author(s): Gong, W., Ye, X., Liu, G.
• Funding Organization(s): National Natural Science Foundation of China (NSFC)

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Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 2.61 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Literature

Structural insights into ligand recognition and activation of melanin-concentrating hormone receptor MCHR1

Gong, W., Ye, X., Liu, G.

To be published.

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: 187.09 kDa 
• Atom Count: 8,967 
• Modelled Residue Count: 1,160 
• Deposited Residue Count: 1,699 
• Unique protein chains: 6

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 EC: 3.6.5 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	376	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	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 ScFv16	D [auth E]	255	synthetic construct	Mutation(s): 0

Entity ID: 5
Molecule	Chains	Sequence Length	Organism	Details	Image
Fusion protein 1,Melanin-concentrating hormone receptor 1,Fusion protein 2	E [auth R]	624	Homo sapiens	Mutation(s): 0  Membrane Entity: Yes
UniProt & NIH Common Fund Data Resources
Find proteins for Q99705 (Homo sapiens) Explore Q99705  Go to UniProtKB:  Q99705
PHAROS:  Q99705 GTEx:  ENSG00000128285

Entity ID: 6
Molecule	Chains	Sequence Length	Organism	Details	Image
Melanin-concentrating hormone	F [auth L]	19	Homo sapiens	Mutation(s): 0  Membrane Entity: Yes
UniProt & NIH Common Fund Data Resources
Find proteins for P20382 (Homo sapiens) Explore P20382  Go to UniProtKB:  P20382
PHAROS:  P20382 GTEx:  ENSG00000183395

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 2.61 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

EM Software:

Task	Software Package	Version
MODEL REFINEMENT	PHENIX	1.20.1_4487:

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2024-11-13 
Deposition Author(s): Gong, W., Ye, X., Liu, G.

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Funding Organization	Location	Grant Number
National Natural Science Foundation of China (NSFC)	China	T2221005

Revision History  

• Version 1.0: 2024-11-13
  Type: Initial release