7EUW

X-ray structure of high-strength hydrogel-grown FABP3 crystal soaked in 50% DMSO solution containing 4-[2-[1-(4-bromophenyl)-5-phenyl-1H-pyrazol-3-yl]phenoxy] (HA174)

• PDB DOI: https://doi.org/10.2210/pdb7EUW/pdb

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


• Deposited: 2021-05-19 Released: 2022-05-25 
• Deposition Author(s): Sugiyama, S., Kakinouchi, K., Nakano, R., Matsuoka, S., Tsuchikawa, H., Sonoyama, M., Inoue, Y., Hayashi, F., Murata, M.
• Funding Organization(s): Japan Society for the Promotion of Science (JSPS), Japan Science and Technology, Other private

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.55 Å
• R-Value Free: 
  0.205 (Depositor), 0.210 (DCC) 
• R-Value Work: 
  0.162 (Depositor), 0.170 (DCC) 
• R-Value Observed: 
  0.164 (Depositor) 

Starting Model: experimental

Literature

X-ray structure of the human heart fatty acid-binding protein complexed with 4-[2-[1-(4-bromophenyl)-5-phenyl-1H-pyrazol-3-yl]phenoxy] (HA176)

Sugiyama, S., Kakinouchi, K., Matsuoka, S., Tsuchikawa, H., Sonoyama, M., Inoue, Y., Hayashi, F., Murata, M.

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: 15.52 kDa 
• Atom Count: 1,434 
• Modelled Residue Count: 132 
• Deposited Residue Count: 133 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Fatty acid-binding protein, heart	A	133	Homo sapiens	Mutation(s): 0  Gene Names: FABP3, FABP11, MDGI
UniProt & NIH Common Fund Data Resources
Find proteins for P05413 (Homo sapiens) Explore P05413  Go to UniProtKB:  P05413
PHAROS:  P05413 GTEx:  ENSG00000121769

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
JEC (Subject of Investigation/LOI)	B [auth A]	4-[2-[1-(4-bromophenyl)-5-phenyl-pyrazol-3-yl]phenoxy]butanoic acid C25 H21 Br N2 O3 WXZVIQMWLYGTHW-UHFFFAOYSA-N
SO3 (Subject of Investigation/LOI)	C [auth A], D [auth A]	SULFITE ION O3 S LSNNMFCWUKXFEE-UHFFFAOYSA-L

Binding Affinity Annotations
ID	Source	Binding Affinity
JEC	BindingDB:  7EUW	Kd: min: 1246, max: 3300 (nM) from 3 assay(s)
		IC50: min: 730, max: 733 (nM) from 2 assay(s)

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.55 Å
• R-Value Free:  0.205 (Depositor), 0.210 (DCC) 
• R-Value Work:  0.162 (Depositor), 0.170 (DCC) 
• R-Value Observed: 0.164 (Depositor) 

Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 54.553	α = 90
b = 70.421	β = 90
c = 34.502	γ = 90

Software Package:

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

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2022-05-25 
Deposition Author(s): Sugiyama, S., Kakinouchi, K., Nakano, R., Matsuoka, S., Tsuchikawa, H., Sonoyama, M., Inoue, Y., Hayashi, F., Murata, M.

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Funding Organization	Location	Grant Number
Japan Society for the Promotion of Science (JSPS)	Japan	19K06588
Japan Science and Technology	Japan	JPMJTM19DC
Other private	Japan	09-003-005
Japan Science and Technology	Japan	JPMJER1005

Revision History  

• Version 1.0: 2022-05-25
  Type: Initial release
  
• Version 1.1: 2023-11-29
  Changes: Data collection, Refinement description