6SJ8

Methyltransferase MtgA from Desulfitobacterium hafniense in complex with tetrahydrofolate

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7.5	293	100 mM HEPES, 27% PEG 3350

Crystal Properties
Matthews coefficient	Solvent content
2.06	40.25

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 75.76	α = 90
b = 83.85	β = 90
c = 86.49	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 EIGER X 16M		2018-06-23	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SLS BEAMLINE X06SA	1.0	SLS	X06SA

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (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	1.35	30	99.1	0.048	0.99	13.8	4.1		120092

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.35	1.45	99.6		0.645	0.74	2.1

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	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	SAD	THROUGHOUT	1.35	15	113987	5999	98.97	0.1215	0.1192	0.1573	RANDOM	19.422

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]
1.27			-1.05		-0.22

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.763
r_sphericity_free	24.419
r_dihedral_angle_4_deg	22.69
r_dihedral_angle_3_deg	11.68
r_sphericity_bonded	10.828
r_dihedral_angle_1_deg	5.919
r_rigid_bond_restr	1.975
r_angle_refined_deg	1.472
r_angle_other_deg	1.073
r_chiral_restr	0.08

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.763
r_sphericity_free	24.419
r_dihedral_angle_4_deg	22.69
r_dihedral_angle_3_deg	11.68
r_sphericity_bonded	10.828
r_dihedral_angle_1_deg	5.919
r_rigid_bond_restr	1.975
r_angle_refined_deg	1.472
r_angle_other_deg	1.073
r_chiral_restr	0.08
r_bond_refined_d	0.01
r_gen_planes_refined	0.008
r_gen_planes_other	0.002
r_bond_other_d	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4708
Nucleic Acid Atoms
Solvent Atoms	580
Heterogen Atoms	63

Software

Software
Software Name	Purpose
REFMAC	refinement
PDB_EXTRACT	data extraction
XDS	data reduction
XSCALE	data scaling
SHARP	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.