6AYL

Human adipocyte lipid-binding protein FABP4 in complex with fluorescein

• PDB DOI: https://doi.org/10.2210/pdb6AYL/pdb

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


• Deposited: 2017-09-08 Released: 2018-09-12 
• Deposition Author(s): Pozharski, E.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.86 Å
• R-Value Free: 0.232 
• R-Value Work: 0.211 
• R-Value Observed: 0.212 

Starting Model: experimental

Literature

To be published

Pozharski, E., St John, F.S.

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)

Macromolecule Content

• Total Structure Weight: 16.15 kDa 
• Atom Count: 1,117 
• Modelled Residue Count: 133 
• Deposited Residue Count: 139 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Fatty acid-binding protein, adipocyte	A	139	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 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
FLU (Subject of Investigation/LOI)	B [auth A], C [auth A]	2-(6-HYDROXY-3-OXO-3H-XANTHEN-9-YL)-BENZOIC ACID C20 H12 O5 YKGGGCXBWXHKIZ-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.86 Å
• R-Value Free: 0.232 
• R-Value Work: 0.211 
• R-Value Observed: 0.212 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 33.19	α = 90
b = 53.01	β = 90
c = 74.99	γ = 90

Software Package:

Software Name	Purpose
BUSTER	refinement
iMOSFLM	data reduction
Aimless	data scaling
PHASER	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2018-09-12 
Deposition Author(s): Pozharski, E.

Revision History  

• Version 1.0: 2018-09-12
  Type: Initial release
  
• Version 1.1: 2023-10-04
  Changes: Data collection, Database references, Refinement description