8XIO

Structure of L797591-SSTR1 G protein complex

• PDB DOI: https://doi.org/10.2210/pdb8XIO/pdb
• EM Map EMD-38385: EMDB EMDataResource

• Classification: MEMBRANE PROTEIN/IMMUNE SYSTEM
• Organism(s): Homo sapiens, Lama glama
• Expression System: Trichoplusia ni, Escherichia coli
• Mutation(s): No 


• Deposited: 2023-12-19 Released: 2024-07-03 
• Deposition Author(s): Wang, Y., Xu, Y., Xu, H.E., Zhuang, Y.
• Funding Organization(s): National Natural Science Foundation of China (NSFC)

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Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 2.65 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Literature

Selective ligand recognition and activation of somatostatin receptors SSTR1 and SSTR3

Wang, Y., Xu, Y., He, X., Fan, W., Wu, K., Hu, W., Cheng, X., Sun, S., Xu, H.E., Zhuang, Y.

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: 148.56 kDa 
• Atom Count: 8,140 
• Modelled Residue Count: 1,035 
• Deposited Residue Count: 1,330 
• Unique protein chains: 5

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Somatostatin receptor type 1	A	391	Homo sapiens	Mutation(s): 0  Gene Names: SSTR1
UniProt & NIH Common Fund Data Resources
Find proteins for P30872 (Homo sapiens) Explore P30872  Go to UniProtKB:  P30872
PHAROS:  P30872 GTEx:  ENSG00000139874

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
G-alpha-i	B	361	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	351	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: 4
Molecule	Chains	Sequence Length	Organism	Details	Image
nanobody Nb35	D	156	Lama glama	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]	71	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

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
A1D5D (Subject of Investigation/LOI)	F [auth A]	(2~{S})-~{N}-[(4~{S})-6-azanyl-2,2,4-trimethyl-hexyl]-3-naphthalen-1-yl-2-[[2-phenylethyl(2-pyridin-2-ylethyl)carbamoyl]amino]propanamide C38 H49 N5 O2 MZKKCMXXGCRPGX-UYHPJTEGSA-N

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 2.65 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2024-07-03 
Deposition Author(s): Wang, Y., Xu, Y., Xu, H.E., Zhuang, Y.

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Funding Organization	Location	Grant Number
National Natural Science Foundation of China (NSFC)	China	81902085

Revision History  

• Version 1.0: 2024-07-03
  Type: Initial release