Experiment: 7QW7

Adenine-specific DNA methyltransferase M.BseCI complexed with AdoHcy and cognate fully methylated DNA duplex

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	7QW5

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	9.5	293	Glycerol ethoxylate, Tris-HCl

Crystal Properties
Matthews coefficient	Solvent content
2.49	50.54

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 88.01	α = 90
b = 88.01	β = 90
c = 155.481	γ = 120

Symmetry
Space Group	P 61

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		2014-12-11	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALBA BEAMLINE XALOC	0.97951	ALBA	XALOC

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	Rpim I (All)	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	2.6	44.01	94.1	0.113	0.13	0.063	0.927	5.1	4.2		19732			72.05

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	Rpim I (All)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.6	2.72	82.4		2.317	2.683	1.325	0.189	0.7	4.1

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 (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	FREE R-VALUE	7QW5	2.6	44.01	1.34	19650	973	93.71	0.1991	0.1981	0.1937	0.2167	0.2075	Random selection	74.63

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	14.5526
f_angle_d	0.8936
f_chiral_restr	0.0525
f_bond_d	0.0084
f_plane_restr	0.0037

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4472
Nucleic Acid Atoms	402
Solvent Atoms	47
Heterogen Atoms	26

Software

Software
Software Name	Purpose
PHENIX	refinement
iMOSFLM	data reduction
Aimless	data scaling
PHASER	phasing