7TXR

Crystal structure of the Vitronectin hemopexin-like domain binding Calcium-2

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP		293	1 UL PROTEIN SOLUTION + 1 UL PRECIPITATE SOLUTION containing 0.09 M IMIDAZOLE/MES, PH 6.5, 27 mM SODIUM NITRATE, 27 mM SODIUM PHOSPHATE, 27 mM AMMONIUM SULFATE, 11.25% V/V MPD, 11.25% W/V PEG1000, 11.25% W/V PEG3350, 3% W/V D- (+)-TREHALOSE. Crystals were soaked with 1 mM CaCl2, 5 mM SODIUM SULFATE, 27 mM SODIUM NITRATE, 20 mM BisTris pH 7.0, 11.25% V/V MPD, 11.25% W/V PEG1000, 11.25% W/V PEG3350, 3% W/V D-(+)-TREHALOSE.

Crystal Properties
Matthews coefficient	Solvent content
2.09	41.01

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 40.835	α = 90
b = 98.277	β = 99.82
c = 49.433	γ = 90

Symmetry
Space Group	P 1 21 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	PIXEL	DECTRIS PILATUS 6M		2021-05-17	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRL BEAMLINE BL9-2	0.97946	SSRL	BL9-2

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (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	37.24	92	0.112	0.84	5.6	3.3		23919

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2	2.05	57.6		0.51	0.72		2.6

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	6o5e	2	37.24	22231	1667	91.85	0.1867	0.1837	0.2259	RANDOM	42.023

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]
0.22		0.71	0.12		-0.56

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	25.8
r_dihedral_angle_4_deg	15.471
r_dihedral_angle_3_deg	13.173
r_dihedral_angle_1_deg	7.492
r_angle_refined_deg	1.395
r_angle_other_deg	1.194
r_chiral_restr	0.068
r_bond_refined_d	0.008
r_gen_planes_refined	0.008
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3001
Nucleic Acid Atoms
Solvent Atoms	163
Heterogen Atoms	25

Software

Software
Software Name	Purpose
REFMAC	refinement
PDB_EXTRACT	data extraction
XDS	data reduction
Aimless	data scaling
PHASER	phasing