6Y0Q

Alpha-ketoglutarate-dependent dioxygenase AlkB in complex with Fe, AKG and methylated DNA under anaerobic environment using FT-SSX methods

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	4JHT

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	BATCH MODE		298	25% w/v PEG 3350, 5% v/v glycerol and 200 mM sodium formate

Crystal Properties
Matthews coefficient	Solvent content
2.15	42.85

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 36.399	α = 78.99
b = 39.078	β = 78.04
c = 40.84	γ = 66.88

Symmetry
Space Group	P 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	293	PIXEL	DECTRIS PILATUS 6M		2019-09-26	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	DIAMOND BEAMLINE I24	0.96863	Diamond	I24

Serial Crystallography

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

Fixed Target
Diffraction ID	Description	Sample Holding	Support Base	Motion control	Sample Solvent
1	Anaerobic chip	thin film mylar sandwich

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

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	1.75	39.7	99.96	0.977	0.178	37.21	57.57		20346			18.3878665427

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	CC (Half)	R Split (All)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.75	1.78	100		0.255	0.789	2.81	10.6

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	R-Free	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	FREE R-VALUE	4JHT	1.75	39.66	1.96	20267	1996	99.97	0.165	0.162	0.191	26.32

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]

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	13.509
f_angle_d	0.715
f_chiral_restr	0.051
f_bond_d	0.004
f_plane_restr	0.004

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1531
Nucleic Acid Atoms
Solvent Atoms	136
Heterogen Atoms	54

Software

Software
Software Name	Purpose
PHENIX	refinement
GDA	data collection
DIALS	data reduction
DIALS	data scaling
PHASER	phasing

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.