7FW3 | pdb_00007fw3

Crystal Structure of human FABP4 in complex with 7-(4-chlorophenyl)-1,2,3,4-tetrahydronaphthalene-1-carboxylic acid, i.e. SMILES c12c(ccc(c2)c2ccc(cc2)Cl)CCC[C@H]1C(=O)O with IC50=3.3 microM


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.08 Å
  • R-Value Free: 
    0.180 (Depositor), 0.185 (DCC) 
  • R-Value Work: 
    0.153 (Depositor), 0.154 (DCC) 
  • R-Value Observed: 
    0.154 (Depositor) 

Starting Model: other
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wwPDB Validation 3D Report Full Report

Validation slider image for 7FW3

Ligand Structure Quality Assessment 


This is version 1.3 of the entry. See complete history

Literature

A high-resolution data set of fatty acid-binding protein structures. III. Unexpectedly high occurrence of wrong ligands.

Ehler, A.Bartelmus, C.Benz, J.Plitzko, I.Rudolph, M.G.

(2025) Acta Crystallogr D Struct Biol 81: 451-464

Macromolecule Content 

  • Total Structure Weight: 15.4 kDa 
  • Atom Count: 1,338 
  • Modeled Residue Count: 133 
  • Deposited Residue Count: 135 
  • Unique protein chains: 1

Macromolecules

Find similar proteins by:|  3D Structure
Entity ID: 1
MoleculeChains  Sequence LengthOrganismDetailsImage
Fatty acid-binding protein, adipocyte135Homo sapiensMutation(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 
Entity Groups
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupP15090
Sequence Annotations
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Reference Sequence

Small Molecules

Ligands 2 Unique
IDChains Name / Formula / InChI Key2D Diagram3D Interactions
KL3
(Subject of Investigation/LOI)

Query on KL3



Download:Ideal Coordinates CCD File
B [auth A](1R)-7-(4-chlorophenyl)-1,2,3,4-tetrahydronaphthalene-1-carboxylic acid
C17 H15 Cl O2
HMSUYCUFTVOQJG-OAHLLOKOSA-N
SO4

Query on SO4



Download:Ideal Coordinates CCD File
C [auth A]SULFATE ION
O4 S
QAOWNCQODCNURD-UHFFFAOYSA-L

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.08 Å
  • R-Value Free:  0.180 (Depositor), 0.185 (DCC) 
  • R-Value Work:  0.153 (Depositor), 0.154 (DCC) 
  • R-Value Observed: 0.154 (Depositor) 
Space Group: P 21 21 21
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 32.465α = 90
b = 53.626β = 90
c = 75.536γ = 90
Software Package:
Software NamePurpose
XSCALEdata scaling
REFMACrefinement
PDB_EXTRACTdata extraction
XDSdata reduction
PHASERphasing

Structure Validation

View Full Validation Report



Ligand Structure Quality Assessment 


Entry History 

& Funding Information

Deposition Data


Funding OrganizationLocationGrant Number
F. Hoffmann-La Roche LTDSwitzerland--

Revision History  (Full details and data files)

  • 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
  • Version 1.3: 2025-08-13
    Changes: Database references