Experiment: 8AYF

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	6.5	294	Protein solution: hSPL 108uM in Tris-HCl 20 mM pH 8.0 NaCl 150 mM DTT 1mM Glycerol 5% Precipitant: (Hit G4 of Molecular Dimension screen Morpheus) 0.02M Sodium formate; 0.02M Ammonium acetate; 0.02M Sodium citrate tribasic dihydrate; 0.02M Potassium sodium tartrate tetrahydrate; 0.02M Sodium oxamate; Imidazole 0.05M; MES monohydrate (acid) 0.05M; 12.5% v/v MPD; 12.5% PEG 1000; 12.5% w/v PEG 3350 mixing volumes: 0.3 + 0.3 uL

Crystal Properties
Matthews coefficient	Solvent content
1.97	37.63

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 59.16	α = 90
b = 127.41	β = 104.85
c = 66.95	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	Cilindrical Mirror with 50 nm Pt-coating Radius (calculated) = 14 km Distance from source = 21200 mm Incidence angle = 3 mrad Active length = 1200 mm	2022-02-10	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ELETTRA BEAMLINE 5.2R	1.0000	ELETTRA	5.2R

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	1.84	57.76	92.6	0.99	7.8	6.2		47604			18.8

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	1.84	2.09	67.4		0.421	1.7	6.1

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	4Q6R	1.84	57.76	45105	2499	57.27	0.192	0.1907	0.2145	RANDOM	21.609

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]
-0.11					0.1

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_3_deg	16.486
r_dihedral_angle_1_deg	6.44
r_dihedral_angle_2_deg	5.549
r_angle_refined_deg	1.408
r_angle_other_deg	0.518
r_chiral_restr	0.066
r_bond_other_d	0.011
r_bond_refined_d	0.008
r_gen_planes_refined	0.007
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	6858
Nucleic Acid Atoms
Solvent Atoms	319
Heterogen Atoms	28

Software

Software
Software Name	Purpose
REFMAC	refinement
XDS	data reduction
XSCALE	data scaling
MOLREP	phasing
PDB_EXTRACT	data extraction

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729.