2ODH

Restriction Endonuclease BCNI in the Absence of DNA

X-RAY DIFFRACTION

---

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	5.6	294	0.17 M ammonium acetate, 0.085 M tri-sodium citrate pH 5.6, 25.5% PEG 4000, 15% glycerol, VAPOR DIFFUSION, SITTING DROP, temperature 294K

Crystal Properties
Matthews coefficient	Solvent content
2.7	54.49

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 68.176	α = 90
b = 68.176	β = 90
c = 127.207	γ = 90

Symmetry
Space Group	P 41 21 2

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	MARRESEARCH	BENT MIRROR	2006-05-20	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	MPG/DESY, HAMBURG BEAMLINE BW6	1.05	MPG/DESY, HAMBURG	BW6

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	1.6	30	99.2	0.07	4	5.8	40038	40038			26.3

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.6	1.69	99.4		0.25	3.1	4.3	5737

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	1.6	29.62	39959	39959	2018	99.1	0.204	0.204	0.203	0.215	RANDOM	19.393

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]
-0.32			-0.32		0.63

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_1_deg	6.739
r_scangle_it	3.343
r_scbond_it	2.109
r_mcangle_it	1.54
r_angle_refined_deg	1.342
r_mcbond_it	0.859
r_angle_other_deg	0.785
r_symmetry_vdw_other	0.275
r_nbd_other	0.252
r_nbd_refined	0.213
r_symmetry_hbond_refined	0.191
r_xyhbond_nbd_refined	0.179
r_symmetry_vdw_refined	0.139
r_chiral_restr	0.084
r_nbtor_other	0.081
r_bond_refined_d	0.012
r_gen_planes_other	0.011
r_gen_planes_refined	0.007
r_bond_other_d	0.006
r_dihedral_angle_2_deg
r_dihedral_angle_3_deg
r_dihedral_angle_4_deg
r_nbtor_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
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	1884
Nucleic Acid Atoms
Solvent Atoms	205
Heterogen Atoms	11

Software

Software
Software Name	Purpose
SHELXD	phasing
SHARP	phasing
NCSREF	model building
REFMAC	refinement
MAR345	data collection
MOSFLM	data reduction
CCP4	data scaling
MLPHARE	phasing
DM	phasing
ARP/wARP	model building