2P4G

CRYSTAL STRUCTURE OF A PYRIMIDINE REDUCTASE-LIKE PROTEIN (DIP1392) FROM CORYNEBACTERIUM DIPHTHERIAE NCTC AT 2.30 A RESOLUTION

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP		277	NANODROP, 0.2M Potassium nitrate, 20.0% PEG 3350, VAPOR DIFFUSION, SITTING DROP, temperature 277K
2	VAPOR DIFFUSION, SITTING DROP	6.9	277	NANODROP, 0.2M Potassium nitrate, 20.0% PEG 3350, No Buffer pH 6.9, VAPOR DIFFUSION, SITTING DROP, temperature 277K

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 113.51	α = 90
b = 113.51	β = 90
c = 55.94	γ = 120

Symmetry
Space Group	P 64

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		2006-09-22	M	SINGLE WAVELENGTH
2	2	x-ray	100	CCD	MARMOSAIC 325 mm CCD	Flat collimating mirror, toroid focusing mirror	2006-06-18	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALS BEAMLINE 5.0.3	1.00000	ALS	5.0.3
2	SYNCHROTRON	SSRL BEAMLINE BL9-2	0.97922, 0.97939, 0.91162	SSRL	BL9-2

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
1,2	2.3	28.273	97.3	0.052	11.61	3.66		18260			46.09

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)
1,2	2.3	2.38	92.9		0.41	1.76

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	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	2.3	28.273	18113	922	98.39	0.175	0.175	0.173	0.225	RANDOM	60.7

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]
0.08	0.04		0.08		-0.12

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.576
r_dihedral_angle_4_deg	18.875
r_dihedral_angle_3_deg	13.499
r_dihedral_angle_1_deg	7.053
r_scangle_it	6.955
r_scbond_it	5.366
r_mcangle_it	2.897
r_mcbond_it	1.742
r_angle_refined_deg	1.449
r_angle_other_deg	0.926
r_mcbond_other	0.362
r_symmetry_vdw_other	0.254
r_nbd_refined	0.217
r_nbd_other	0.204
r_nbtor_refined	0.174
r_symmetry_vdw_refined	0.167
r_xyhbond_nbd_refined	0.134
r_symmetry_hbond_refined	0.11
r_nbtor_other	0.088
r_chiral_restr	0.076
r_bond_refined_d	0.013
r_gen_planes_refined	0.005
r_bond_other_d	0.002
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1846
Nucleic Acid Atoms
Solvent Atoms	113
Heterogen Atoms	64

Software

Software
Software Name	Purpose
MolProbity	model building
SOLVE	phasing
REFMAC	refinement
XSCALE	data scaling
PDB_EXTRACT	data extraction
ADSC	data collection
XDS	data reduction