Experiment: 6OIV

XFEL structure of Escherichia coli dGTPase

X-RAY DIFFRACTION

Serial Crystallography (SX)

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	6OI7

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	8	279	0.1 M Tris-HCl pH 8.0 and 1.6 M Ammonium Sulfate

Crystal Properties
Matthews coefficient	Solvent content
3.78	67.5

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 192.589	α = 90
b = 192.589	β = 90
c = 291.254	γ = 90

Symmetry
Space Group	P 43 21 2

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	CCD	RAYONIX MX-325		2014-12-06	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	FREE ELECTRON LASER	SLAC LCLS BEAMLINE XPP	1.307	SLAC LCLS	XPP

Serial Crystallography

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

Fixed Target
Diffraction ID	Description	Sample Holding	Support Base	Motion control	Details	Sample Solvent
1	Grid	Grid	Goniometer

Measurement
Diffraction ID	Pulse Duration	Pulse Repetition Rate	Focal Spot Size	Pulse Energy	Photons Per Pulse
1	30 (fs)		3	9.5 (KeV)

Data Reduction
Diffraction ID	Frames Indexed	Crystal Hits	Frames Indexed	Latices Merged
1	211	233	211

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	CC (Half)	R Split (All)	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	3.06	25	97.9	0.66	0.32	0.39	6.1	7.3		103325			2.46

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Rrim I (All)	CC (Half)	R Split (All)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	3.06	3.12	91.4		0.84	0.23	0.88	0.8	3.3

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 (Depositor)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	6OI7	3.06	61.2	95415	2922	92.3	0.226	0.225	0.248	0.2936	RANDOM	64.33

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]
5.1391			5.1391		-10.2782

RMS Deviations
Key	Refinement Restraint Deviation
t_other_torsion	22.21
t_omega_torsion	2.56
t_angle_deg	1.15
t_bond_d	0.01
t_dihedral_angle_d
t_incorr_chiral_ct
t_pseud_angle
t_trig_c_planes
t_gen_planes
t_it

RMS Deviations
Key	Refinement Restraint Deviation
t_other_torsion	22.21
t_omega_torsion	2.56
t_angle_deg	1.15
t_bond_d	0.01
t_dihedral_angle_d
t_incorr_chiral_ct
t_pseud_angle
t_trig_c_planes
t_gen_planes
t_it
t_nbd
t_improper_torsion
t_chiral_improper_torsion
t_sum_occupancies
t_utility_distance
t_utility_angle
t_utility_torsion
t_ideal_dist_contact

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	24723
Nucleic Acid Atoms
Solvent Atoms	8
Heterogen Atoms	51

Software

Software
Software Name	Purpose
BUSTER	refinement
cctbx.xfel	data reduction
cctbx.prime	data scaling
PHASER	phasing

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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. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.