8X8L

Cryo-EM structure of the cortistatin 17-bound Somatostatin receptor 5-Gi protein complex

• PDB DOI: https://doi.org/10.2210/pdb8X8L/pdb
• EM Map EMD-38148: EMDB EMDataResource

• Classification: SIGNALING PROTEIN
• Organism(s): Homo sapiens, Mus musculus
• Expression System: Trichoplusia ni
• Mutation(s): No 
• Membrane Protein: Yes  PDBTM


• Deposited: 2023-11-27 Released: 2024-06-12 
• Deposition Author(s): Xu, H.E., You, C., Zhao, L., Li, J.
• Funding Organization(s): National Natural Science Foundation of China (NSFC)

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Experimental Data Snapshot

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

Literature

Cryo-EM structure of the cortistatin 17-bound Somatostatin receptor 5-Gi protein complex

Xu, H.E., You, C.

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: 157.35 kDa 
• Atom Count: 8,851 
• Modelled Residue Count: 1,140 
• Deposited Residue Count: 1,430 
• Unique protein chains: 6

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Guanine nucleotide-binding protein G(i) subunit alpha	A	360	Homo sapiens	Mutation(s): 0

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1	B	371	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
Cortistatin	C	17	Homo sapiens	Mutation(s): 0  Membrane Entity: Yes
UniProt & NIH Common Fund Data Resources
Find proteins for O00230 (Homo sapiens) Explore O00230  Go to UniProtKB:  O00230
GTEx:  ENSG00000241563

Entity ID: 4
Molecule	Chains	Sequence Length	Organism	Details	Image
ScFv16	D [auth E]	248	Mus musculus	Mutation(s): 0

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]	70	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
Somatostatin receptor type 5	F [auth R]	364	Homo sapiens	Mutation(s): 0  Gene Names: SSTR5 Membrane Entity: Yes
UniProt & NIH Common Fund Data Resources
Find proteins for P35346 (Homo sapiens) Explore P35346  Go to UniProtKB:  P35346
GTEx:  ENSG00000162009

Experimental Data & Validation

Experimental Data

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

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2024-06-12 
Deposition Author(s): Xu, H.E., You, C., Zhao, L., Li, J.

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Funding Organization	Location	Grant Number
National Natural Science Foundation of China (NSFC)	China	82121005
National Natural Science Foundation of China (NSFC)	China	32071203
National Natural Science Foundation of China (NSFC)	China	32130022

Revision History  

• Version 1.0: 2024-06-12
  Type: Initial release