7FXQ

Crystal Structure of human FABP4 in complex with 2-(5,6,7,8,9,10-hexahydrobenzo[8]annulen-3-yl)acetic acid, i.e. SMILES c12c(ccc(c1)CC(=O)O)CCCCCC2 with IC50=0.725 microM

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	SYNCHROTRON
Source details	SLS BEAMLINE X10SA
Synchrotron site	SLS
Beamline	X10SA
Temperature [K]	100
Detector technology	PIXEL
Collection date	2011-12-08
Detector	PSI PILATUS 6M
Wavelength(s)	1.000020
Spacegroup name	P 21 21 21
Unit cell lengths	32.344, 53.944, 75.042
Unit cell angles	90.00, 90.00, 90.00

Refinement procedure

Resolution	37.530 - 1.120
R-factor	0.1314
Rwork	0.130
R-free	0.15700
Structure solution method	MOLECULAR REPLACEMENT
Starting model (for MR)	inhouse model
RMSD bond length	0.021
RMSD bond angle	2.142
Data reduction software	XDS
Data scaling software	XSCALE
Phasing software	PHASER
Refinement software	REFMAC (5.6.0119)

Data quality characteristics

	Overall	Inner shell	Outer shell
Low resolution limit [Å]	37.520	37.530	1.150
High resolution limit [Å]	1.120	5.010	1.120
Rmerge	0.072	0.056	0.399
Rmeas	0.076	0.062	0.451
Total number of observations	304371
Number of reflections	50943	677	3308
<I/σ(I)>	13.52	30.17	4.59
Completeness [%]	99.1	99	88.6
Redundancy	5.93	6.064	4.33
CC(1/2)	0.998	0.995	0.915

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, SITTING DROP	7	293	protein in 25mM Tris/HCl pH 7.5 100mM NaCl, see also PMID 27658368