3FRE

S. aureus DHFR complexed with NADPH and TMP

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		5.5		25% PEG 3350, 200mM NaCl, 100mM bis-Tris, pH5.5

Crystal Properties
Matthews coefficient	Solvent content
2.7	54.41

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 79.328	α = 90
b = 79.328	β = 90
c = 107.781	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			M	SINGLE WAVELENGTH

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

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	2.2	20	99.3			10800	10800	1	1

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	2.2	2.34	97.2

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	MOLECULAR REPLACEMENT	THROUGHOUT	2.2	20	10128	507	99.47	0.24119	0.23919	0.28002	RANDOM	20.031

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]
0.05	0.02		0.05		-0.07

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_3_deg	22.751
r_dihedral_angle_1_deg	9.631
r_angle_other_deg	1.845
r_mcangle_it	0.986
r_angle_refined_deg	0.901
r_symmetry_hbond_other	0.733
r_scangle_it	0.714
r_symmetry_vdw_refined	0.692
r_mcbond_it	0.562
r_symmetry_vdw_other	0.528
r_scbond_it	0.433
r_symmetry_hbond_refined	0.341
r_nbd_other	0.249
r_nbd_refined	0.235
r_xyhbond_nbd_refined	0.215
r_xyhbond_nbd_other	0.173
r_chiral_restr	0.054
r_bond_refined_d	0.005
r_bond_other_d	0.002
r_gen_planes_refined	0.002
r_gen_planes_other	0.002
r_dihedral_angle_2_deg
r_dihedral_angle_4_deg
r_nbtor_refined
r_nbtor_other
r_metal_ion_refined
r_metal_ion_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	1272
Nucleic Acid Atoms
Solvent Atoms	108
Heterogen Atoms	69

Software

Software
Software Name	Purpose
DENZO	data reduction
AMoRE	phasing
REFMAC	refinement
SCALEPACK	data scaling