9K26 | pdb_00009k26

PrRP31 bound prolactin-releasing peptide receptor coupled with Gi protein complex

• PDB DOI: https://doi.org/10.2210/pdb9K26/pdb
• EM Map EMD-61991: EMDB EMDataResource

• Classification: PEPTIDE BINDING PROTEIN/IMMUNE SYSTEM
• Organism(s): Homo sapiens
• Expression System: Spodoptera aff. frugiperda 1 BOLD-2017
• Mutation(s): Yes 
• Membrane Protein: Yes  PDBTMMemProtMD


• Deposited: 2024-10-17 Released: 2025-01-29 
• Deposition Author(s): Wu, Z., Du, Y., Chen, G.
• Funding Organization(s): Not funded

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Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 3.00 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Literature

a peptide receptor complex structure

Wu, Z., Du, Y., Jun, X.

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: 159.84 kDa 
• Atom Count: 8,967 
• Modeled Residue Count: 1,148 
• Deposited Residue Count: 1,442 
• Unique protein chains: 6

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Prolactin-releasing peptide receptor	A	370	Homo sapiens	Mutation(s): 0  Gene Names: PRLHR, GPR10, GR3 Membrane Entity: Yes
UniProt & NIH Common Fund Data Resources
Find proteins for P49683 (Homo sapiens) Explore P49683  Go to UniProtKB:  P49683
PHAROS:  P49683 GTEx:  ENSG00000119973

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Prolactin-releasing peptide PrRP31	B [auth F]	32	Homo sapiens	Mutation(s): 1  Membrane Entity: Yes
UniProt & NIH Common Fund Data Resources
Find proteins for P81277 (Homo sapiens) Explore P81277  Go to UniProtKB:  P81277
PHAROS:  P81277 GTEx:  ENSG00000071677

Entity ID: 3
Molecule	Chains	Sequence Length	Organism	Details	Image
Guanine nucleotide-binding protein G(i) subunit alpha-1	C	351	Homo sapiens	Mutation(s): 2  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: 4
Molecule	Chains	Sequence Length	Organism	Details	Image
Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1	D [auth B]	357	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
Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2	E [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: 6
Molecule	Chains	Sequence Length	Organism	Details	Image
scfv16	F [auth S]	261	Homo sapiens	Mutation(s): 0

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 3.00 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Structure Validation

Entry History 

& Funding Information

Deposition Data

• Released Date: 2025-01-29 
Deposition Author(s): Wu, Z., Du, Y., Chen, G.

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Funding Organization	Location	Grant Number
Not funded		--

Revision History  

• Version 1.0: 2025-01-29
  Type: Initial release