Experiment: 7MHX

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP		293	50 mM sodium acetate pH 5.5, 50 mM magnesium acetate, 25% PEG 400

Crystal Properties
Matthews coefficient	Solvent content
3.94	68.76

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 155.169	α = 90
b = 155.169	β = 90
c = 75.34	γ = 90

Symmetry
Space Group	I 4

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	98	PIXEL	DECTRIS EIGER X 16M		2019-12-03	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 24-ID-E	0.9792	APS	24-ID-E

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	2.85	77.58	99.8	0.92	9	6		21076

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	2.85	3			0.14

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	1K4C	2.85	50.01	20023	1043	99.73	0.20414	0.20195	0.24416	RANDOM	70

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]
0.8			0.8		-1.6

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.695
r_dihedral_angle_4_deg	20.159
r_dihedral_angle_3_deg	16.429
r_dihedral_angle_1_deg	8.084
r_angle_refined_deg	1.9
r_angle_other_deg	1.287
r_chiral_restr	0.075
r_bond_refined_d	0.01
r_gen_planes_refined	0.008
r_bond_other_d	0.002

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.695
r_dihedral_angle_4_deg	20.159
r_dihedral_angle_3_deg	16.429
r_dihedral_angle_1_deg	8.084
r_angle_refined_deg	1.9
r_angle_other_deg	1.287
r_chiral_restr	0.075
r_bond_refined_d	0.01
r_gen_planes_refined	0.008
r_bond_other_d	0.002
r_gen_planes_other	0.002

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4020
Nucleic Acid Atoms
Solvent Atoms	20
Heterogen Atoms	32

Software

Software
Software Name	Purpose
REFMAC	refinement
Aimless	data scaling
PDB_EXTRACT	data extraction
iMOSFLM	data reduction
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 R01GM133198.