Experiment: 3WXQ

Serial femtosecond X-ray structure of human fatty acid-binding protein type-3 (FABP3) in complex with stearic acid (C18:0) determined using X-ray free-electron laser at SACLA

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	3WVM

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	batch method	8	293	73mM Tris-HCl, 43% PEG400, 33mM NaCl, pH 8.0, batch method, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.19	43.96

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 33.707	α = 90
b = 54.851	β = 90
c = 70.656	γ = 90

Symmetry
Space Group	P 21 21 21

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	293	CCD	MPCCD octal		2013-12-08	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	FREE ELECTRON LASER	SACLA BEAMLINE BL3	1.23	SACLA	BL3

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	Net I Over Average Sigma (I)	Redundancy	Number Reflections (All)	Number Reflections (Observed)	Observed Criterion Sigma (F)	Observed Criterion Sigma (I)	B (Isotropic) From Wilson Plot
1	1.6	30	100				18204

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.6	1.63	100

Refinement

Statistics
Diffraction ID	Structure Solution Method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	3WVM	1.6	29.701	1.35	17895	840	99.99	0.1803	0.1781	0.1873	0.2224	0.2189

Temperature Factor Modeling
Anisotropic B[1][1]	Anisotropic B[1][2]	Anisotropic B[1][3]	Anisotropic B[2][2]	Anisotropic B[2][3]	Anisotropic B[3][3]

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	13.522
f_angle_d	1.675
f_chiral_restr	0.076
f_bond_d	0.017
f_plane_restr	0.008

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1044
Nucleic Acid Atoms
Solvent Atoms	142
Heterogen Atoms	20

Software

Software
Software Name	Purpose
PHASER	phasing
PHENIX	refinement
CrystFEL	data reduction