6RGH

Single crystal serial study of the X-ray induced enzymatic reduction of molecular oxygen to water for laccase from Steccherinum murashkinskyi at sub-atomic resolution. First structure of the series with 15 KGy dose.

X-RAY DIFFRACTION

---

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION	4	294	Protein solution (12mg/ml, 20 mM K-phosphate buffer, pH 6.5) Reservoir solution (0.1 M citrate-phosphate buffer pH 4.0, 0.2 M ammonium acetate, 25% PEG 4000).

Crystal Properties
Matthews coefficient	Solvent content
2.49	50.59

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 56.23	α = 90
b = 84.129	β = 90
c = 112.356	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	100	PIXEL	DECTRIS PILATUS 6M		2017-10-17	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID23-1	0.886	ESRF	ID23-1

Serial Crystallography

Sample delivery method
Diffraction ID	Description	Sample Delivery Method
1		fixed target

Measurement
Diffraction ID	Pulse Duration	Pulse Repetition Rate	Focal Spot Size	Pulse Energy	Photons Per Pulse
1

Data Reduction
Diffraction ID	Frames Indexed	Crystal Hits	Total Frames
1			1300

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	Rrim I (All)	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	1.08	100	99.8	0.086	0.998	9.21	4.7		227170

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Rrim I (All)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.08	1.11	99.9		0.694	0.723

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	5e9n	1.08	67.34	215726	11444	99.75	0.11938	0.11832	0.13981	RANDOM	13.668

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]
-0.95			-0.32		1.27

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.367
r_dihedral_angle_4_deg	22.324
r_sphericity_free	21.441
r_sphericity_bonded	11.602
r_dihedral_angle_3_deg	10.676
r_dihedral_angle_1_deg	7.16
r_rigid_bond_restr	5.155
r_long_range_B_refined	3.259
r_long_range_B_other	2.623
r_scangle_other	2.425
r_angle_refined_deg	1.94
r_scbond_other	1.876
r_scbond_it	1.87
r_mcangle_it	1.701
r_mcangle_other	1.547
r_mcbond_it	1.222
r_mcbond_other	1.157
r_angle_other_deg	1.07
r_chiral_restr	0.133
r_bond_refined_d	0.021
r_gen_planes_refined	0.012
r_bond_other_d	0.002
r_gen_planes_other	0.002
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_scangle_it

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3775
Nucleic Acid Atoms
Solvent Atoms	924
Heterogen Atoms	71

Software

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