6Q2T

Human sterol 14a-demethylase (CYP51) in complex with the functionally irreversible inhibitor (R)-N-(1-(3-chloro-4'-fluoro-[1,1'-biphenyl]-4-yl)-2-(1H-imidazol-1-yl)ethyl)-4-(5-(3-fluoro-5-(5-fluoropyrimidin-4-yl)phenyl)-1,3,4-oxadiazol-2-yl)benzamide

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.4	289	15 mM sodium cholate, 8% PEG3350, 0.2 M potassium formate, pH 7.4

Crystal Properties
Matthews coefficient	Solvent content
2.68	54.02

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 117.664	α = 90
b = 117.664	β = 90
c = 157.842	γ = 90

Symmetry
Space Group	I 4

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	CCD	MARMOSAIC 300 mm CCD		2019-03-19	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 21-ID-G	0.979	APS	21-ID-G

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	CC (Half)	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	2.8	94.35	99.6	0.046	0.997	12.3	5.6		26405

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.8	2.87	99.3		0.996	0.853		5.6

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB entry 4UHI	2.8	28.098	26289	1258	99.561	0.228	0.2268	0.2559

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]
1.581			1.581		-3.162

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	31.611
r_lrange_it	15.389
r_lrange_other	15.388
r_dihedral_angle_3_deg	14.007
r_dihedral_angle_4_deg	13.019
r_mcangle_it	11.129
r_mcangle_other	11.129
r_scangle_it	10.792
r_scangle_other	10.791
r_mcbond_it	7.348
r_mcbond_other	7.342
r_scbond_it	6.923
r_scbond_other	6.922
r_dihedral_angle_1_deg	6.165
r_chiral_restr_other	1.232
r_angle_refined_deg	1.166
r_angle_other_deg	1.134
r_nbd_other	0.351
r_symmetry_nbd_refined	0.298
r_symmetry_xyhbond_nbd_refined	0.275
r_symmetry_nbd_other	0.258
r_nbd_refined	0.239
r_nbtor_refined	0.178
r_xyhbond_nbd_refined	0.176
r_symmetry_nbtor_other	0.085
r_symmetry_xyhbond_nbd_other	0.083
r_chiral_restr	0.041
r_gen_planes_refined	0.007
r_bond_refined_d	0.003
r_gen_planes_other	0.003
r_bond_other_d	0.002

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	7172
Nucleic Acid Atoms
Solvent Atoms	29
Heterogen Atoms	457

Software

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