3S1S

Characterization and crystal structure of the type IIG restriction endonuclease BpuSI

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	5.5	298	1.8 M ammonium sulfate, 0.1 M Bis-Tris, pH 5.5, VAPOR DIFFUSION, HANGING DROP, temperature 298.0K

Crystal Properties
Matthews coefficient	Solvent content
4.24	70.99

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 213.472	α = 90
b = 215.732	β = 90
c = 73.71	γ = 90

Symmetry
Space Group	C 2 2 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	CCD	ADSC QUANTUM 315		2010-04-26	M	SINGLE WAVELENGTH
2	1	x-ray		M	SINGLE WAVELENGTH
3	1	x-ray		CCD	ADSC QUANTUM 315			M	SINGLE WAVELENGTH
4	1	x-ray		CCD	ADSC QUANTUM 315r			M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALS BEAMLINE 5.0.1		ALS	5.0.1
2	ROTATING ANODE	RIGAKU MICROMAX-007 HF
3	SYNCHROTRON	ALS BEAMLINE 5.0.2		ALS	5.0.2
4	SYNCHROTRON	ALS BEAMLINE 8.2.1		ALS	8.2.1

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	2.2	100	79	0.095	0.095	11.5	4.2	89220	70485	1	2	42

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	2.35	2.46	65.1		0.592	0.592	1.3	2.1	5717

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Cut-off Sigma (I)	Number Reflections (All)	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	MIR	THROUGHOUT	2.35	30	1	67610	62712	3327	92.76	0.21517	0.21242	0.2677	RANDOM	43.927

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]
1.08			0.2		-1.28

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	38.746
r_dihedral_angle_4_deg	17.216
r_dihedral_angle_3_deg	16.315
r_dihedral_angle_1_deg	5.478
r_scangle_it	3.291
r_scbond_it	2.015
r_mcangle_it	1.34
r_angle_refined_deg	1.236
r_rigid_bond_restr	0.94
r_mcbond_it	0.714
r_chiral_restr	0.086
r_bond_refined_d	0.01
r_gen_planes_refined	0.005
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	6972
Nucleic Acid Atoms
Solvent Atoms	316
Heterogen Atoms	145

Software

Software
Software Name	Purpose
ADSC	data collection
SHELXS	phasing
REFMAC	refinement
HKL-2000	data reduction
HKL-2000	data scaling