7X1T

Structure of Thyrotropin-Releasing Hormone Receptor bound with Taltirelin.

• PDB DOI: https://doi.org/10.2210/pdb7X1T/pdb
• EM Map EMD-32949: EMDB EMDataResource

• Classification: MEMBRANE PROTEIN
• Organism(s): Bos taurus, Homo sapiens, Rattus norvegicus, synthetic construct
• Expression System: Spodoptera frugiperda
• Mutation(s): No 
• Membrane Protein: Yes  OPMPDBTM


• Deposited: 2022-02-24 Released: 2022-08-31 
• Deposition Author(s): Yang, F., Zhang, H.H., Meng, X.Y., Li, Y.G., Zhou, Y.X., Ling, S.L., Liu, L., Shi, P., Tian, C.L.
• Funding Organization(s): Other government

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Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 3.26 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Literature

Structural insights into thyrotropin-releasing hormone receptor activation by an endogenous peptide agonist or its orally administered analogue.

Yang, F., Zhang, H., Meng, X., Li, Y., Zhou, Y., Ling, S., Sun, D., Lv, P., Liu, L., Shi, P., Tian, C.

(2022) Cell Res 32: 858-861

• PubMed: 35352031 
• DOI: https://doi.org/10.1038/s41422-022-00646-6
• Primary Citation of Related Structures:  
  7X1T, 7X1U

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Organizational Affiliation: 

The First Affiliated Hospital of USTC, School of Life Sciences, Division of Life Sciences and Medicine, Joint Center for Biological Analytical Chemistry, Anhui Engineering Laboratory of Peptide Drug, Anhui Laboratory of Advanced Photonic Science and Technology, University of Science and Technology of China, Hefei, Anhui, China.

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: 145.57 kDa 
• Atom Count: 7,488 
• Modelled Residue Count: 1,083 
• Deposited Residue Count: 1,311 
• Unique protein chains: 6

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2	A [auth F]	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

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Thyrotropin-releasing hormone receptor	B [auth A]	398	Homo sapiens	Mutation(s): 0  Gene Names: TRHR Membrane Entity: Yes
UniProt & NIH Common Fund Data Resources
Find proteins for P34981 (Homo sapiens) Explore P34981  Go to UniProtKB:  P34981
PHAROS:  P34981 GTEx:  ENSG00000174417

Entity ID: 3
Molecule	Chains	Sequence Length	Organism	Details	Image
mini-G alpha q protein	C [auth B]	246	Homo sapiens	Mutation(s): 0

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 C]	340	Bos taurus	Mutation(s): 0  Gene Names: GNB1
UniProt
Find proteins for P62871 (Bos taurus) Explore P62871  Go to UniProtKB:  P62871

Entity ID: 5
Molecule	Chains	Sequence Length	Organism	Details	Image
ScFv16	E [auth D]	251	Rattus norvegicus	Mutation(s): 0

Entity ID: 6
Molecule	Chains	Sequence Length	Organism	Details	Image
Taltirelin	F [auth E]	5	synthetic construct	Mutation(s): 0

Biologically Interesting Molecules (External Reference) 1 Unique

Entity ID: 6
ID	Chains	Name	Type/Class	2D Diagram	3D Interactions
PRD_002370	F [auth E]	Taltirelin	Peptide-like / Inhibitor

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 3.26 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2022-08-31 
Deposition Author(s): Yang, F., Zhang, H.H., Meng, X.Y., Li, Y.G., Zhou, Y.X., Ling, S.L., Liu, L., Shi, P., Tian, C.L.

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Funding Organization	Location	Grant Number
Other government	China	--

Revision History  

• Version 1.0: 2022-08-31
  Type: Initial release
  
• Version 1.1: 2022-09-14
  Changes: Database references
• Version 1.2: 2024-10-23
  Changes: Data collection, Derived calculations, Structure summary