8K2W

Structure of CXCR3 complexed with antagonist AMG487

• PDB DOI: https://doi.org/10.2210/pdb8K2W/pdb
• EM Map EMD-36841: EMDB EMDataResource

• Classification: SIGNALING PROTEIN
• Organism(s): Lama glama, Escherichia coli, Homo sapiens
• Expression System: Spodoptera frugiperda
• Mutation(s): No 
• Membrane Protein: Yes  PDBTMMemProtMD


• Deposited: 2023-07-14 Released: 2023-11-29 
• Deposition Author(s): Jiao, H.Z., Hu, H.L.
• Funding Organization(s): National Natural Science Foundation of China (NSFC), Other private

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Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 3.00 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Literature

Structure basis for the modulation of CXC chemokine receptor 3 by antagonist AMG487.

Jiao, H., Pang, B., Chiang, Y.C., Chen, Q., Pan, Q., Ren, R., Hu, H.

(2023) Cell Discov 9: 119-119

• PubMed: 38012179 
• DOI: https://doi.org/10.1038/s41421-023-00617-0
• Primary Citation of Related Structures:  
  8K2W, 8K2X

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Organizational Affiliation: 

Kobilka Institute of Innovative Drug Discovery, School of Medicine, The Chinese University of Hong Kong, Shenzhen, Shenzhen, Guangdong, China.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 2-mer - A1B1 

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: electron microscopy

Macromolecule Content

• Total Structure Weight: 77.24 kDa 
• Atom Count: 3,143 
• Modelled Residue Count: 386 
• Deposited Residue Count: 676 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Nb6	A [auth N]	169	Lama glama	Mutation(s): 0

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Soluble cytochrome b562,C-X-C chemokine receptor type 3,Kappa-type opioid receptor	B [auth R]	507	Escherichia coli, Homo sapiens	Mutation(s): 0  Gene Names: cybC, CXCR3, OPRK1, OPRK Membrane Entity: Yes
UniProt & NIH Common Fund Data Resources
Find proteins for P49682 (Homo sapiens) Explore P49682  Go to UniProtKB:  P49682
PHAROS:  P49682 GTEx:  ENSG00000186810
Find proteins for P41145 (Homo sapiens) Explore P41145  Go to UniProtKB:  P41145
PHAROS:  P41145 GTEx:  ENSG00000082556
Find proteins for P0ABE7 (Escherichia coli) Explore P0ABE7  Go to UniProtKB:  P0ABE7
UniProt Groups	P41145P0ABE7P49682

Small Molecules

Ligands 4 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
PCW	D [auth R]	1,2-DIOLEOYL-SN-GLYCERO-3-PHOSPHOCHOLINE C44 H85 N O8 P SNKAWJBJQDLSFF-NVKMUCNASA-O
FI6 (Subject of Investigation/LOI)	F [auth R]	N-[(1R)-1-[3-(4-ethoxyphenyl)-4-oxidanylidene-pyrido[2,3-d]pyrimidin-2-yl]ethyl]-N-(pyridin-3-ylmethyl)-2-[4-(trifluoromethyloxy)phenyl]ethanamide C32 H28 F3 N5 O4 WQTKNBPCJKRYPA-OAQYLSRUSA-N
LPC	E [auth R]	[1-MYRISTOYL-GLYCEROL-3-YL]PHOSPHONYLCHOLINE C22 H47 N O7 P VXUOFDJKYGDUJI-OAQYLSRUSA-O
CLR	C [auth R]	CHOLESTEROL C27 H46 O HVYWMOMLDIMFJA-DPAQBDIFSA-N

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 3.00 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2023-11-29 
Deposition Author(s): Jiao, H.Z., Hu, H.L.

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Funding Organization	Location	Grant Number
National Natural Science Foundation of China (NSFC)	China	32100963
Other private		Ganghong Young Scholar Development Fund

Revision History  

• Version 1.0: 2023-11-29
  Type: Initial release
  
• Version 1.1: 2023-12-13
  Changes: Database references