8IA8

Cryo-EM structure of C3aR-Gi-scFv16 bound with E7 peptide

• PDB DOI: https://doi.org/10.2210/pdb8IA8/pdb
• EM Map EMD-35298: EMDB EMDataResource

• Classification: IMMUNE SYSTEM
• Organism(s): Homo sapiens, Vicugna pacos
• Expression System: Escherichia coli, Spodoptera frugiperda
• Mutation(s): Yes 
• Membrane Protein: Yes  OPMPDBTMMemProtMD


• Deposited: 2023-02-08 Released: 2023-05-24 
• Deposition Author(s): Liao, Q., Chen, G., Du, Y., Ye, R.D.
• Funding Organization(s): National Natural Science Foundation of China (NSFC)

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Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 2.86 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Literature

Cryo-EM structure of C3aR-Gi-scFv16 bound with E7 peptide

Liao, Q., Chen, G., Du, Y., Ye, R.D.

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: 167.5 kDa 
• Atom Count: 8,810 
• Modelled Residue Count: 1,136 
• Deposited Residue Count: 1,506 
• Unique protein chains: 6

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
ALA-SER-LYS-LEU-GLY-LEU-ALA-ARG	A [auth L]	15	Homo sapiens	Mutation(s): 0

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
C3a anaphylatoxin chemotactic receptor	B [auth A]	482	Homo sapiens	Mutation(s): 0  Gene Names: C3AR1, AZ3B, C3R1, HNFAG09 Membrane Entity: Yes
UniProt & NIH Common Fund Data Resources
Find proteins for Q16581 (Homo sapiens) Explore Q16581  Go to UniProtKB:  Q16581
PHAROS:  Q16581 GTEx:  ENSG00000171860

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 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]	340	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]	247	Vicugna pacos	Mutation(s): 0

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 2.86 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2023-05-24 
Deposition Author(s): Liao, Q., Chen, G., Du, Y., Ye, R.D.

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Funding Organization	Location	Grant Number
National Natural Science Foundation of China (NSFC)	China	--

Revision History  

• Version 1.0: 2023-05-24
  Type: Initial release