3FY8

Crystal Structure of Staph. aureus DHFR complexed with NADPH and AR-101

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		5.5		25% PEG3350, 200mM NaCl, 100mM bis-Tris, pH5.5

Crystal Properties
Matthews coefficient	Solvent content
2.74	55.13

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 79.567	α = 90
b = 79.567	β = 90
c = 108.958	γ = 120

Symmetry
Space Group	P 61 2 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	IMAGE PLATE	MAR scanner 345 mm plate	mirrors	2007-11-02	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	ENRAF-NONIUS FR591	1.5418

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	20	93.8	0.167	0.167			10269	10269	4.1	4.1

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 (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MIR	THROUGHOUT	2.2	20	9373	480	90.62	0.25534	0.25124	0.3354	RANDOM	15.908

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		0.13

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	39.384
r_dihedral_angle_4_deg	21.994
r_dihedral_angle_3_deg	21.213
r_dihedral_angle_1_deg	11.01
r_angle_refined_deg	1.593
r_mcangle_it	1.19
r_mcbond_it	0.949
r_angle_other_deg	0.944
r_scangle_it	0.942
r_scbond_it	0.626
r_symmetry_vdw_refined	0.483
r_symmetry_hbond_refined	0.365
r_symmetry_vdw_other	0.302
r_nbd_refined	0.3
r_xyhbond_nbd_refined	0.293
r_nbd_other	0.278
r_nbtor_refined	0.205
r_mcbond_other	0.148
r_nbtor_other	0.096
r_xyhbond_nbd_other	0.096
r_chiral_restr	0.072
r_bond_refined_d	0.011
r_gen_planes_refined	0.004
r_bond_other_d
r_gen_planes_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1273
Nucleic Acid Atoms
Solvent Atoms	157
Heterogen Atoms	74

Software

Software
Software Name	Purpose
HKL-2000	data collection
XFIT	data reduction
REFMAC	refinement
DENZO	data reduction
SCALA	data scaling