7FXP

Crystal Structure of human FABP4 in complex with (Z)-4-(4-bromo-2-chloroanilino)-4-oxobut-2-enoic acid, i.e. SMILES c1(c(cc(cc1)Br)Cl)NC(=O)/C=C\C(=O)O with IC50=3.4 microM

• PDB DOI: https://doi.org/10.2210/pdb7FXP/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., Diratsouian, J., Rudolph, M.G.
• Funding Organization(s): F. Hoffmann-La Roche LTD

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.05 Å
• R-Value Free: 0.166 
• R-Value Work: 0.145 
• R-Value Observed: 0.146 

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: 15.63 kDa 
• Atom Count: 1,295 
• Modelled Residue Count: 135 
• 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 4 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
TB3 (Subject of Investigation/LOI)	C [auth A]	(2Z)-4-(4-bromo-2-chloroanilino)-4-oxobut-2-enoic acid C10 H7 Br Cl N O3 ARCZKZYKNUNGNI-ARJAWSKDSA-N
SO4	B [auth A], E [auth A]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L
DMS	F [auth A]	DIMETHYL SULFOXIDE C2 H6 O S IAZDPXIOMUYVGZ-UHFFFAOYSA-N
CL	D [auth A]	CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.05 Å
• R-Value Free: 0.166 
• R-Value Work: 0.145 
• R-Value Observed: 0.146 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 32.727	α = 90
b = 54.133	β = 90
c = 74.198	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., Diratsouian, J., 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