1SFE

ADA O6-METHYLGUANINE-DNA METHYLTRANSFERASE FROM ESCHERICHIA COLI

X-RAY DIFFRACTION

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Crystallization

Crystal Properties
Matthews coefficient	Solvent content
2.27	48

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 46.2	α = 90
b = 45.95	β = 114.06
c = 46.4	γ = 90

Symmetry
Space Group	P 1 21 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray		DIFFRACTOMETER	WEISSENBERG			M
2	1	x-ray		IMAGE PLATE	RIGAKU			M
1,2	1

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	PHOTON FACTORY BEAMLINE BL-6A		Photon Factory	BL-6A
2	ROTATING ANODE	RIGAKU RU300

Data Collection

Refinement

Statistics
Diffraction ID	Structure Solution Method	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION		2.1	39	9017	9017			0.219		44.9

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
p_transverse_tor	41.4
p_staggered_tor	22.3
p_planar_tor	3.9
p_mcangle_it	2.59
p_scangle_it	2.58
p_scbond_it	1.597
p_mcbond_it	1.592
p_chiral_restr	0.112
p_planar_d	0.033
p_angle_d	0.031
p_bond_d	0.01
p_angle_deg
p_hb_or_metal_coord
p_plane_restr
p_singtor_nbd
p_multtor_nbd
p_xhyhbond_nbd
p_xyhbond_nbd
p_orthonormal_tor
p_special_tor

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1257
Nucleic Acid Atoms
Solvent Atoms	145
Heterogen Atoms

Software

Software
Software Name	Purpose
PROLSQ	refinement
DENZO	data reduction
SCALEPACK	data scaling