3G00

Mth0212 in complex with a 9bp blunt end dsDNA at 1.7 Angstrom

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7	293	reservoir: 30% MPD, 40mM MgCl2, 50mM KH2PO4/K2HPO4 pH 7.0; protein solution: 50mM KCl, 10mM KH2PO4/K2HPO4 pH 7.0, 1mM MgCl2, VAPOR DIFFUSION, SITTING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.48	50.36

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 48.966	α = 90
b = 79.51	β = 97.76
c = 87.75	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	100	CCD	MARMOSAIC 225 mm CCD		2007-06-13	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	BESSY BEAMLINE 14.1	0.91838	BESSY	14.1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge 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	1.74	17	94.9	0.033				65383		-3	27.283

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.74	1.8	72		0.268	3.2

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	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	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 3FZI	1.74	17	61959	3311	95.57	0.17	0.167	0.217	RANDOM	24.824

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]
1.22		-1.26	-2.02		0.45

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.046
r_dihedral_angle_4_deg	16.796
r_dihedral_angle_3_deg	15.316
r_dihedral_angle_1_deg	6.294
r_scangle_it	2.991
r_scbond_it	2.062
r_angle_refined_deg	1.553
r_mcangle_it	1.474
r_mcbond_it	0.94
r_nbtor_refined	0.312
r_nbd_refined	0.194
r_symmetry_hbond_refined	0.169
r_symmetry_vdw_refined	0.163
r_xyhbond_nbd_refined	0.154
r_chiral_restr	0.112
r_bond_refined_d	0.014
r_gen_planes_refined	0.007

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4273
Nucleic Acid Atoms	361
Solvent Atoms	659
Heterogen Atoms	54

Software

Software
Software Name	Purpose
XSCALE	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
XDS	data reduction
MOLREP	phasing