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 23CX | pdb_000023cx

Cryo-EM structure of the MRGPRX4-miniGsq complex bound to the inverse agonist cmpd54-4


Experimental Data Snapshot

  • Method: ELECTRON MICROSCOPY
  • Resolution: 2.98 Å
  • Aggregation State: PARTICLE 
  • Reconstruction Method: SINGLE PARTICLE 

wwPDB Validation 3D Report Full Report

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This is version 1.0 of the entry. See complete history. 

Literature

Cryo-EM structure of the MRGPRX4-miniGsq complex bound to the inverse agonist cmpd54-4

Zhang, M.

To be published.

Macromolecule Content 

  • Total Structure Weight: 157.83 kDa 
  • Atom Count: 8,141 
  • Modeled Residue Count: 1,085 
  • Deposited Residue Count: 1,414 
  • Unique protein chains: 5

Macromolecules

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Entity ID: 1
MoleculeChains  Sequence LengthOrganismDetailsImage
Gs-mini-Gq chimeraA [auth B]246Homo sapiensMutation(s): 0 
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Reference Sequence
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Entity ID: 2
MoleculeChains  Sequence LengthOrganismDetailsImage
Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1B [auth C]358Homo sapiensMutation(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 
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UniProt GroupP62873
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Reference Sequence
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Entity ID: 3
MoleculeChains  Sequence LengthOrganismDetailsImage
Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2C [auth D]71Homo sapiensMutation(s): 0 
Gene Names: GNG2
UniProt & NIH Common Fund Data Resources
Find proteins for P59768 (Homo sapiens)
Explore P59768 
Go to UniProtKB:  P59768
PHAROS:  P59768
GTEx:  ENSG00000186469 
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UniProt GroupP59768
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Reference Sequence
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Entity ID: 4
MoleculeChains  Sequence LengthOrganismDetailsImage
scFv16D [auth E]267Mus musculusMutation(s): 0 
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Reference Sequence
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Entity ID: 5
MoleculeChains  Sequence LengthOrganismDetailsImage
Soluble cytochrome b562,Mas-related G-protein coupled receptor member X4E [auth R]472Escherichia coli, Homo sapiens
This entity is chimeric
Mutation(s): 1 
Gene Names: cybC, MRGPRX4, MRGX4, SNSR5, SNSR6
UniProt & NIH Common Fund Data Resources
Find proteins for P0ABE7 (Escherichia coli)
Explore P0ABE7 
Go to UniProtKB:  P0ABE7
Find proteins for Q96LA9 (Homo sapiens)
Explore Q96LA9 
Go to UniProtKB:  Q96LA9
PHAROS:  Q96LA9
GTEx:  ENSG00000179817 
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UniProt GroupsP0ABE7Q96LA9
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Reference Sequence

Small Molecules

Ligands 1 Unique
IDChains Name / Formula / InChI Key2D Diagram3D Interactions
A1E43(
Subject of Investigation/LOI)

Query on A1E43



Download:Ideal Coordinates CCD File
F [auth R](2~{S})-2-[[3-[[2-chloranyl-4-(trifluoromethyl)phenoxy]methyl]phenyl]carbonylamino]propanoic acid
C18 H15 Cl F3 N O4
SJHHZIPCIDRJQR-JTQLQIEISA-N

Experimental Data & Validation

Experimental Data

  • Method: ELECTRON MICROSCOPY
  • Resolution: 2.98 Å
  • Aggregation State: PARTICLE 
  • Reconstruction Method: SINGLE PARTICLE 
EM Software:
TaskSoftware PackageVersion
RECONSTRUCTIONcryoSPARC
MODEL REFINEMENTPHENIX1.21.2

Structure Validation

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Entry History 

& Funding Information

Deposition Data


Funding OrganizationLocationGrant Number
Ministry of Science and Technology (MoST, China)China2025YFA1309100
National Natural Science Foundation of China (NSFC)China82504820

Revision History  (Full details and data files)

  • Version 1.0: 2026-10-14
    Type: Initial release