3L3R

Structural, Computational and Kinetic Data for Antifolate Interactions Against Pneumocystis jirovecii, Pneumocystis carinii and Human Dihydrofolate Reductase and Their Active Site Mutants

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1U72

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.9	280	60-64% saturate ammonium sufate, 3% ethanol, pH 6.9, VAPOR DIFFUSION, HANGING DROP, temperature 280K

Crystal Properties
Matthews coefficient	Solvent content
2.53	51.3

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 84.53	α = 90
b = 84.53	β = 90
c = 78.423	γ = 120

Symmetry
Space Group	H 3

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	200					M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU RU300	1.54118

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	26.1	97.8	0.18	0.1	14.4	4.3	21070	13350	2	1	15

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	2	2.1	99.9		0.9	0.011	4.6	4	2070

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (I)	Number Reflections (All)	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	MOLECULAR REPLACEMENT	THROUGHOUT	1U72	2	26.1	2	14132	12677	668	94.52	0.178	0.17461	0.17057	0.25711	RANDOM	22.161

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]
					-0.01

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.362
r_dihedral_angle_4_deg	16.576
r_dihedral_angle_3_deg	16.557
r_dihedral_angle_1_deg	6.676
r_scangle_it	4.956
r_scbond_it	3.319
r_angle_refined_deg	2.342
r_mcangle_it	2.027
r_mcbond_it	1.183
r_chiral_restr	0.23

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.362
r_dihedral_angle_4_deg	16.576
r_dihedral_angle_3_deg	16.557
r_dihedral_angle_1_deg	6.676
r_scangle_it	4.956
r_scbond_it	3.319
r_angle_refined_deg	2.342
r_mcangle_it	2.027
r_mcbond_it	1.183
r_chiral_restr	0.23
r_bond_refined_d	0.025
r_gen_planes_refined	0.01

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1502
Nucleic Acid Atoms
Solvent Atoms	189
Heterogen Atoms	75

Software

Software
Software Name	Purpose
CrystalClear	data collection
MOLREP	phasing
REFMAC	refinement
MOSFLM	data reduction
SCALA	data scaling

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), 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 R01GM157729.