Experiment: 7ER3

Crystal structure of beta-lactoglobulin complexed with chloroquine

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	5IO6

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	EVAPORATION, RECRYSTALLIZATION		293	1000 mM Sodium citrate tribasic, 100 mM Tris-HCl (pH 7.0) and 200 mM Sodium chloride

Crystal Properties
Matthews coefficient	Solvent content
2.48	50.34

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 150.118	α = 90
b = 66.953	β = 111.74
c = 78.044	γ = 90

Symmetry
Space Group	C 1 2 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	90	PIXEL	DECTRIS EIGER X 16M		2020-11-12	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRF BEAMLINE BL19U1	0.9779	SSRF	BL19U1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	CC (Half)	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	2.598	29.595	98	0.961	6.1	1.8		21922

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.598	2.691			0.961

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation 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	THROUGHOUT	5IO6	2.598	29.595	1.38	21862	1098	97.61	0.2514	0.2472	0.2499	0.3244	0.3256	66.8453

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]

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	5144
Nucleic Acid Atoms
Solvent Atoms	23
Heterogen Atoms	192

Software

Software
Software Name	Purpose
HKL-3000	data collection
HKL-3000	data reduction
HKL-3000	data scaling
PHENIX	model building
PHENIX	refinement