Experiment: 7RFL

CamA Adenine Methyltransferase Complexed to Cognate Substrate DNA and Inhibitor SGC0946

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	7LT5

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP		292	21~24% (w/v) polyethylene glycol 3350, 0.1 M Tris-HCl pH 7.0~7.5, 0.28 M potassium citrate

Crystal Properties
Matthews coefficient	Solvent content
3.26	62.25

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 81.442	α = 90
b = 161.741	β = 90
c = 229.853	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		2021-02-07	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 22-ID	1.00000	APS	22-ID

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	Rpim I (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	2.38	41.87	91.6	0.206	0.062	10.4	10.8		111448			44.91

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Rpim I (All)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.38	2.48	80.4		1.78	0.615	0.258	1.5

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)	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	FREE R-VALUE	7LT5	2.38	41.87	1.34	111263	1998	91.28	0.2047	0.2042	0.2048	0.2339	0.2336	56.33

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	16.3607
f_angle_d	0.5449
f_chiral_restr	0.0419
f_plane_restr	0.0031
f_bond_d	0.0025

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	13392
Nucleic Acid Atoms	1686
Solvent Atoms	439
Heterogen Atoms	157

Software

Software
Software Name	Purpose
PHENIX	refinement
SERGUI	data collection
HKL-2000	data reduction
HKL-2000	data scaling
PHENIX	phasing