Experiment: 7XCM

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP		283	1 ul protein (8 mg/mL MttB in 20 mM potassium phosphate buffer pH 7.4, 500 mM NaCl, 240 mM imidazole, 20% glycerol), 1 ul reservoir (4% MPD, 0.1 M citric acid pH 4.5) solutions, reservoir solution containing saturated sodium dithionite

Crystal Properties
Matthews coefficient	Solvent content
4.11	70.1

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 174.84	α = 90
b = 174.84	β = 90
c = 300.121	γ = 120

Symmetry
Space Group	P 32 2 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	IMAGE PLATE	RIGAKU RAXIS IV		2018-12-15	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU FR-E+	1.54187

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	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	3.2	20	85.4	0.196	2.6	2.7		74099

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Rpim I (All)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	3.2	3.27			0.254

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-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	7xcl	3.2	20	74084	7479	84.5	0.1665	0.243	53.0752

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]
-10.096			-10.096		20.192

RMS Deviations
Key	Refinement Restraint Deviation
c_scangle_it	14.207
c_scbond_it	11.443
c_mcangle_it	10.164
c_mcbond_it	7.024
c_angle_d	1.277
c_bond_d	0.007

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	22588
Nucleic Acid Atoms
Solvent Atoms	165
Heterogen Atoms	144

Software

Software
Software Name	Purpose
CNS	refinement
SCALA	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.