9JLC | pdb_00009jlc

Cryo-EM structure of MAS1-Gi Complex with AVE 0991

• PDB DOI: https://doi.org/10.2210/pdb9JLC/pdb
• EM Map EMD-61583: EMDB EMDataResource

• Classification: MEMBRANE PROTEIN/IMMUNE SYSTEM
• Organism(s): Homo sapiens
• Expression System: Spodoptera frugiperda, Trichoplusia ni
• Mutation(s): No 


• Deposited: 2024-09-18 Released: 2025-09-24 
• Deposition Author(s): Wong, T.S., Xiong, T.T., Zeng, Z.C., Gan, S.Y., Du, Y.
• Funding Organization(s): Not funded

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Experimental Data Snapshot

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

Literature

Cryo-EM structure of MAS1-Gi complex

Wong, T.S., Xiong, T.T., Zeng, Z.C.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 5-mer - A1B1C1D1E1 

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: electron microscopy

Macromolecule Content 

• Total Structure Weight: 139.91 kDa 
• Atom Count: 8,247 
• Modeled Residue Count: 1,081 
• Deposited Residue Count: 1,243 
• Unique protein chains: 5

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Guanine nucleotide-binding protein G(i) subunit alpha-1	A	340	Homo sapiens	Mutation(s): 0  Gene Names: GNAI1 EC: 3.6.5
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	338	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 [auth G]	53	Homo sapiens	Mutation(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

Entity ID: 4
Molecule	Chains	Sequence Length	Organism	Details	Image
Proto-oncogene Mas	D [auth R]	253	Homo sapiens	Mutation(s): 0  Gene Names: MAS1, MAS
UniProt & NIH Common Fund Data Resources
Find proteins for P04201 (Homo sapiens) Explore P04201  Go to UniProtKB:  P04201
PHAROS:  P04201 GTEx:  ENSG00000130368

Entity ID: 5
Molecule	Chains	Sequence Length	Organism	Details	Image
scFv16	E [auth S]	259	Homo sapiens	Mutation(s): 0

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
A1ECD (Subject of Investigation/LOI)	F [auth R]	1-ethyl-3-[3-[4-[(5-methanoyl-4-methoxy-2-phenyl-imidazol-1-yl)methyl]phenyl]-5-(2-methylpropyl)thiophen-2-yl]sulfonyl-urea C29 H32 N4 O5 S2 QTOZBSNPDCWHPV-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

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

EM Software:

Task	Software Package	Version
MODEL REFINEMENT	PHENIX

Structure Validation

Entry History 

& Funding Information

Deposition Data

• Released Date: 2025-09-24 
Deposition Author(s): Wong, T.S., Xiong, T.T., Zeng, Z.C., Gan, S.Y., Du, Y.

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Funding Organization	Location	Grant Number
Not funded		--

Revision History  

• Version 1.0: 2025-09-24
  Type: Initial release