7XW9 | pdb_00007xw9

Cryo-EM structure of the TRH-bound human TRHR-Gq complex

• PDB DOI: https://doi.org/10.2210/pdb7XW9/pdb
• EM Map EMD-33494: EMDB EMDataResource

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


• Deposited: 2022-05-26 Released: 2022-12-28 
• Deposition Author(s): Ji, S., Dong, Y., Chen, L., Zang, S., Shen, D., Guo, J., Qin, J., Zhang, H., Wang, W., Shen, Q., Mao, C., Zhang, Y.
• Funding Organization(s): Not funded

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Experimental Data Snapshot

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

Literature

Molecular basis for the activation of thyrotropin-releasing hormone receptor.

Ji, S.Y., Dong, Y.J., Chen, L.N., Zang, S.K., Wang, J., Shen, D.D., Guo, J., Qin, J., Zhang, H., Wang, W.W., Shen, Q., Zhang, Y., Song, Z., Mao, C.

(2022) Cell Discov 8: 116-116

• PubMed: 36280665 
• DOI: https://doi.org/10.1038/s41421-022-00477-0
• Primary Citation of Related Structures:  
  7XW9

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Organizational Affiliation: 
• Department of Biophysics and Department of Pathology of Sir Run Run Shaw Hospital, Zhejiang University, School of Medicine, Hangzhou, Zhejiang, China.
Center for Structural Pharmacology and Therapeutics Development, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China.
Department of General Surgery, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China.
Liangzhu Laboratory, Zhejiang University Medical Center, Hangzhou, Zhejiang, China.
Department of Colorectal Surgery, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China.
Key Laboratory of Biological Treatment of Zhejiang Province, Hangzhou, Zhejiang, China.
Department of Biophysics and Department of Pathology of Sir Run Run Shaw Hospital, Zhejiang University, School of Medicine, Hangzhou, Zhejiang, China. [e-mail].
Center for Structural Pharmacology and Therapeutics Development, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China. [e-mail].
Liangzhu Laboratory, Zhejiang University Medical Center, Hangzhou, Zhejiang, China. [e-mail].
MOE Frontier Science Center for Brain Research and Brain-Machine Integration, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China. [e-mail].
Zhejiang Provincial Key Laboratory of Immunity and Inflammatory diseases, Hangzhou, Zhejiang, China. [e-mail].
Department of Colorectal Surgery, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China. [e-mail].
Key Laboratory of Biological Treatment of Zhejiang Province, Hangzhou, Zhejiang, China. [e-mail].
Center for Structural Pharmacology and Therapeutics Development, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China. [e-mail].
Department of General Surgery, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China. [e-mail].

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: gel filtration

Macromolecule Content 

• Total Structure Weight: 166.9 kDa 
• Atom Count: 8,988 
• Modeled Residue Count: 1,144 
• Deposited Residue Count: 1,495 
• Unique protein chains: 6

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Thyrotropin-releasing hormone receptor	A [auth R]	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: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Guanine nucleotide-binding protein G(q) subunit alpha	B [auth A]	409	Homo sapiens	Mutation(s): 0

Entity ID: 3
Molecule	Chains	Sequence Length	Organism	Details	Image
Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1	C [auth B]	345	Rattus norvegicus	Mutation(s): 0  Gene Names: Gnb1
UniProt
Find proteins for P54311 (Rattus norvegicus) Explore P54311  Go to UniProtKB:  P54311

Entity ID: 4
Molecule	Chains	Sequence Length	Organism	Details	Image
Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2	D [auth G]	70	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: 5
Molecule	Chains	Sequence Length	Organism	Details	Image
single Fab chain (svFv16)	E [auth S]	269	synthetic construct	Mutation(s): 0

Entity ID: 6
Molecule	Chains	Sequence Length	Organism	Details	Image
TRH peptide	F [auth L]	4	synthetic construct	Mutation(s): 0

Small Molecules

Modified Residues  1 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
PCA	F [auth L]	L-PEPTIDE LINKING	C5 H7 N O3		GLN

Biologically Interesting Molecules (External Reference) 1 Unique

Entity ID: 6
ID	Chains	Name	Type/Class	2D Diagram	3D Interactions
PRD_002371	F [auth L]	Endogenous Peptide Agonist TRH	Peptide-like / Inhibitor

Experimental Data & Validation

Experimental Data

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

EM Software:

Task	Software Package	Version
MODEL REFINEMENT	PHENIX	1.16
RECONSTRUCTION	RELION	3.0

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2022-12-28 
Deposition Author(s): Ji, S., Dong, Y., Chen, L., Zang, S., Shen, D., Guo, J., Qin, J., Zhang, H., Wang, W., Shen, Q., Mao, C., Zhang, Y.

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Funding Organization	Location	Grant Number
Not funded		--

Revision History  

• Version 1.0: 2022-12-28
  Type: Initial release
  
• Version 1.1: 2024-01-10
  Changes: Data collection, Database references
• Version 1.2: 2024-10-09
  Changes: Data collection, Structure summary