4ESJ

RESTRICTION ENDONUCLEASE DpnI IN COMPLEX WITH TARGET DNA

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	6.8	293	200 MM POTASSIUM SULFATE, 100 MM BETAINE, 20 % W/V PEG 3350, PH 6.8. FOR CRYOCOOLING THE CRYSTALLIZATION BUFFER WAS MIXED IN 3:1 RATIO WITH 100% GLYCEROL, VAPOR DIFFUSION, SITTING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
3.44	64.29

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 130.518	α = 90
b = 98.411	β = 112.21
c = 83.884	γ = 90

Symmetry
Space Group	C 1 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	CCD	ADSC Q315	BENT MIRRORS	2010-12-05	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	DIAMOND BEAMLINE I02	0.97949,1.2833,1.2835	Diamond	I02

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	R Sym 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	2.05	20	98	0.028	0.028	17.5	2.9	60190	60190

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.05	2.1	98.4		0.3	0.3	2.4	3	4429

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MAD	THROUGHOUT	2.05	19.97	60188	60188	3032	100	0.19872	0.19872	0.19772	0.21754	RANDOM	51.616

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]
0.45		-0.81	-0.44		-0.62

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.568
r_dihedral_angle_4_deg	19.503
r_dihedral_angle_3_deg	14.768
r_dihedral_angle_1_deg	6.112
r_angle_other_deg	3.954
r_scangle_it	2.725
r_scbond_it	1.736
r_angle_refined_deg	1.24
r_mcangle_it	1.201
r_mcbond_it	0.657
r_symmetry_vdw_other	0.283
r_metal_ion_refined	0.249
r_nbd_other	0.246
r_symmetry_metal_ion_refined	0.239
r_nbd_refined	0.194
r_nbtor_refined	0.184
r_symmetry_vdw_refined	0.183
r_symmetry_hbond_refined	0.181
r_xyhbond_nbd_refined	0.123
r_nbtor_other	0.109
r_chiral_restr	0.077
r_bond_refined_d	0.011
r_gen_planes_refined	0.009
r_gen_planes_other	0.007
r_bond_other_d
r_xyhbond_nbd_other
r_metal_ion_other
r_symmetry_hbond_other
r_symmetry_metal_ion_other
r_mcbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4036
Nucleic Acid Atoms	730
Solvent Atoms	197
Heterogen Atoms	14

Software

Software
Software Name	Purpose
ADSC	data collection
SHELXDE	phasing
DM	model building
ARP/wARP	model building
REFMAC	refinement
CNS	refinement
XDS	data reduction
SCALA	data scaling
DM	phasing