9LQ3 | pdb_00009lq3

Crystal structure of Linafexor-FXR complex

• PDB DOI: https://doi.org/10.2210/pdb9LQ3/pdb

• Classification: NUCLEAR PROTEIN
• Organism(s): Homo sapiens
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2025-01-27 Released: 2025-08-06 
• Deposition Author(s): Yao, B., Li, Y.
• Funding Organization(s): National Natural Science Foundation of China (NSFC)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.80 Å
• R-Value Free: 
  0.293 (Depositor), 0.291 (DCC) 
• R-Value Work: 
  0.267 (Depositor), 0.263 (DCC) 
• R-Value Observed: 
  0.270 (Depositor) 

Starting Model: experimental

Literature

Crystal structure of Linafexor-FXR complex

Yao, B., Li, Y.

To be published.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors and generated by PISA (software)

Biological Assembly Evidence: gel filtration

Macromolecule Content 

• Total Structure Weight: 28.43 kDa 
• Atom Count: 1,921 
• Modeled Residue Count: 235 
• Deposited Residue Count: 239 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Bile acid receptor	A	228	Homo sapiens	Mutation(s): 0  Gene Names: NR1H4, BAR, FXR, HRR1, RIP14
UniProt & NIH Common Fund Data Resources
Find proteins for Q96RI1 (Homo sapiens) Explore Q96RI1  Go to UniProtKB:  Q96RI1
PHAROS:  Q96RI1 GTEx:  ENSG00000012504

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Nuclear receptor coactivator 2	B [auth C]	11	Homo sapiens	Mutation(s): 0  Gene Names: NCOA2, BHLHE75, SRC2, TIF2
UniProt & NIH Common Fund Data Resources
Find proteins for Q15596 (Homo sapiens) Explore Q15596  Go to UniProtKB:  Q15596
PHAROS:  Q15596 GTEx:  ENSG00000140396

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
A1ELK (Subject of Investigation/LOI)	C [auth A]	Linafexor C28 H25 Cl2 F N4 O4 CEEANZUSISGCJL-VQFNDLOPSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.80 Å
• R-Value Free:  0.293 (Depositor), 0.291 (DCC) 
• R-Value Work:  0.267 (Depositor), 0.263 (DCC) 
• R-Value Observed: 0.270 (Depositor) 

Space Group: P 2₁ 2₁ 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 63.478	α = 90
b = 67.455	β = 90
c = 58.304	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
REFMAC	refinement
HKL-2000	data scaling
HKL-2000	data reduction
PHASER	phasing

Structure Validation

Entry History 

& Funding Information

Deposition Data

• Released Date: 2025-08-06 
Deposition Author(s): Yao, B., Li, Y.

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

Revision History  

• Version 1.0: 2025-08-06
  Type: Initial release
  
• Version 1.1: 2025-11-19
  Changes: Derived calculations, Structure summary