2D36

The Crystal Structure of Flavin Reductase HpaC

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7.5	293	ammonium sulfate, iso-propanol, pH 7.5, VAPOR DIFFUSION, SITTING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.73	59.5

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 87.599	α = 90
b = 87.599	β = 90
c = 49.63	γ = 120

Symmetry
Space Group	P 31 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	293	IMAGE PLATE	RIGAKU RAXIS VII		2005-03-22	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU FR-E+ SUPERBRIGHT	1.5418

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	2.3	50	99.4				10047

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.3	2.38	96.5

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	SAD	THROUGHOUT	2.3	20	9481	482		0.211	0.21239	0.21079	0.24542	RANDOM	39.838

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]
-0.84	-0.42		-0.84		1.26

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_1_deg	6.493
r_scangle_it	3.004
r_scbond_it	1.699
r_mcangle_it	1.495
r_angle_refined_deg	1.284
r_angle_other_deg	0.811
r_mcbond_it	0.788
r_symmetry_vdw_other	0.241
r_nbd_other	0.237
r_nbd_refined	0.188
r_symmetry_vdw_refined	0.173
r_xyhbond_nbd_refined	0.145
r_symmetry_hbond_refined	0.104
r_nbtor_other	0.087
r_chiral_restr	0.075
r_bond_other_d	0.045
r_bond_refined_d	0.011
r_gen_planes_refined	0.005
r_gen_planes_other	0.002
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	1246
Nucleic Acid Atoms
Solvent Atoms	18
Heterogen Atoms	31

Software

Software
Software Name	Purpose
REFMAC	refinement
HKL-2000	data reduction
SCALEPACK	data scaling
SOLVE	phasing