3SRR

S. aureus Dihydrofolate Reductase complexed with novel 7-aryl-2,4-diaminoquinazolines

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.2	298	PEG 8000, Mg acetate, MPD, ADA buffer, pH 6.2, vapor diffusion, hanging drop, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.52	51.2

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 79.317	α = 90
b = 79.317	β = 90
c = 107.394	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				SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU	1.54

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	1.7	68.69	95.8	0.037	0.037	21	3.4	21718	21718

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.69	1.79	86.6		0.192	0.192	3.7	3.2	2792

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	1.7	24.78	21708	1119	96.13	0.1921	0.1909	0.2165	RANDOM	20.557

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]
-0.06	-0.03		-0.06		0.09

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.486
r_dihedral_angle_3_deg	12.334
r_dihedral_angle_4_deg	9.157
r_dihedral_angle_1_deg	6.304
r_scangle_it	2.651
r_scbond_it	1.724
r_angle_refined_deg	1.451
r_mcangle_it	1.041
r_mcbond_it	0.7
r_nbtor_refined	0.309

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.486
r_dihedral_angle_3_deg	12.334
r_dihedral_angle_4_deg	9.157
r_dihedral_angle_1_deg	6.304
r_scangle_it	2.651
r_scbond_it	1.724
r_angle_refined_deg	1.451
r_mcangle_it	1.041
r_mcbond_it	0.7
r_nbtor_refined	0.309
r_symmetry_vdw_refined	0.279
r_nbd_refined	0.188
r_symmetry_hbond_refined	0.125
r_xyhbond_nbd_refined	0.099
r_chiral_restr	0.089
r_bond_refined_d	0.011
r_gen_planes_refined	0.006

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1272
Nucleic Acid Atoms
Solvent Atoms	125
Heterogen Atoms	72

Software

Software
Software Name	Purpose
MOSFLM	data reduction
SCALA	data scaling
PHASER	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.