7G1I

Crystal Structure of human FABP4 in complex with 5-(4-chlorophenyl)-6-(2,2,2-trifluoroethoxy)-2-(trifluoromethyl)pyridine-3-carboxylic acid, i.e. SMILES c1(c(nc(c(c1)C(=O)O)C(F)(F)F)OCC(F)(F)F)c1ccc(cc1)Cl with IC50=0.423267 microM

• PDB DOI: https://doi.org/10.2210/pdb7G1I/pdb
• Deposition Group: G_1002264 ExploreG_1002264

• Classification: LIPID BINDING PROTEIN
• Organism(s): Homo sapiens
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2023-04-27 Released: 2023-06-14 
• Deposition Author(s): Ehler, A., Benz, J., Obst, U., Waldmeier, P., Rudolph, M.G.
• Funding Organization(s): F. Hoffmann-La Roche LTD

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.53 Å
• R-Value Free: 0.259 
• R-Value Work: 0.210 
• R-Value Observed: 0.213 

Starting Model: other

Literature

Crystal Structure of a human FABP4 complex

Obst, U., Magnone, C., Kuhn, B., Rudolph, M.G.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

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

Biological Assembly Evidence: gel filtration

Macromolecule Content

• Total Structure Weight: 15.61 kDa 
• Atom Count: 1,230 
• Modelled Residue Count: 133 
• Deposited Residue Count: 135 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Fatty acid-binding protein, adipocyte	A	135	Homo sapiens	Mutation(s): 0  Gene Names: FABP4
UniProt & NIH Common Fund Data Resources
Find proteins for P15090 (Homo sapiens) Explore P15090  Go to UniProtKB:  P15090
PHAROS:  P15090 GTEx:  ENSG00000170323

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
WOB (Subject of Investigation/LOI)	B [auth A]	5-(4-chlorophenyl)-6-(2,2,2-trifluoroethoxy)-2-(trifluoromethyl)pyridine-3-carboxylic acid C15 H8 Cl F6 N O3 PHKSVXOVRCUPPF-UHFFFAOYSA-N
SO4	C [auth A], D [auth A]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.53 Å
• R-Value Free: 0.259 
• R-Value Work: 0.210 
• R-Value Observed: 0.213 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 32.463	α = 90
b = 53.688	β = 90
c = 75.416	γ = 90

Software Package:

Software Name	Purpose
XSCALE	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
XDS	data reduction
PHASER	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2023-06-14 
Deposition Author(s): Ehler, A., Benz, J., Obst, U., Waldmeier, P., Rudolph, M.G.

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Funding Organization	Location	Grant Number
F. Hoffmann-La Roche LTD	Switzerland	--

Revision History  

• Version 1.0: 2023-06-14
  Type: Initial release
  
• Version 1.1: 2024-04-03
  Changes: Data collection, Refinement description
• Version 1.2: 2024-11-20
  Changes: Structure summary