8SS0

Human sterol 14 alpha-demethylase (CYP51) in complex with the reaction intermediate 14 alpha-aldehyde dihydrolanosterol

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.4	290	CALCIUM ACATATE, PEG 4000, ANAPOE 80, 14 ALPHA ALDEHYDE DERIVATIVE OD DIHYDROLANOSTEROL

Crystal Properties
Matthews coefficient	Solvent content
3.83	67.85

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 145.803	α = 90
b = 145.803	β = 90
c = 261.161	γ = 120

Symmetry
Space Group	P 62 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	PIXEL	DECTRIS EIGER X 9M	Focusing Mirrors	2023-04-06	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 21-ID-D	1.12713	APS	21-ID-D

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	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	2.25	19.89	94.9	0.085	0.097	0.997	5.8	4.4		36891			33

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	Rpim I (All)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.25	2.5	83.6		0.602	0.705	0.356	0.848	1.9	3.6

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 (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	6uez	2.25	19.89	35064	1827	47.5	0.219	0.219	0.249	RANDOM	37.13

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]
0.02	0.01		0.02		-0.06

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_3_deg	17.354
r_long_range_B_other	9.275
r_long_range_B_refined	9.274
r_dihedral_angle_2_deg	7.854
r_dihedral_angle_1_deg	7.252
r_scangle_other	6.411
r_mcangle_it	5.103
r_mcangle_other	5.103
r_scbond_it	3.837
r_scbond_other	3.837
r_mcbond_it	3.182
r_mcbond_other	3.18
r_angle_refined_deg	1.446
r_angle_other_deg	0.51
r_chiral_restr	0.064
r_bond_refined_d	0.007
r_gen_planes_refined	0.006
r_gen_planes_other	0.003
r_bond_other_d	0.002
r_dihedral_angle_4_deg
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_scangle_it
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	7122
Nucleic Acid Atoms
Solvent Atoms	107
Heterogen Atoms	150

Software

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