4CK8

STEROL 14-ALPHA DEMETHYLASE (CYP51)FROM TRYPANOSOMA CRUZI IN COMPLEX WITH (R)-1-(2,4-dichlorophenyl)-2-(1H-imidazol-1-yl)ethyl 4-(4-(3,4- dichlorophenyl)piperazin-1-yl)phenylcarbamate (LFD)

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	3ZG2	PDB ENTRY 3ZG2

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		7.4		pH 7.4

Crystal Properties
Matthews coefficient	Solvent content
2.95	58

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 59.9	α = 90
b = 137.18	β = 90
c = 152.43	γ = 90

Symmetry
Space Group	P 2 21 21

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	MARRESEARCH	BE LENSES DIAMOND LAUE	2013-11-24	M	SINGLE WAVELENGTH

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

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge 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	2.61	30	99	0.05	39.3	7.2		36336		3	46.4

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.61	2.67	99		0.56	2.9	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 (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 3ZG2	2.62	30	36336	1907	98.89	0.23793	0.23541	0.28619	RANDOM	69.68

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]
-0.03			5.51		-5.48

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.528
r_dihedral_angle_4_deg	22.458
r_sphericity_bonded	22.185
r_dihedral_angle_3_deg	20.861
r_sphericity_free	17.163
r_mcangle_it	8.076
r_rigid_bond_restr	7.654
r_scbond_it	7.314
r_dihedral_angle_1_deg	7.101
r_mcbond_it	6.897
r_mcbond_other	6.872
r_angle_other_deg	1.88
r_angle_refined_deg	1.141
r_chiral_restr	0.069
r_gen_planes_other	0.009
r_gen_planes_refined	0.008
r_bond_refined_d	0.005
r_bond_other_d	0.001
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_mcangle_other
r_scbond_other
r_scangle_it
r_scangle_other
r_long_range_B_refined
r_long_range_B_other

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	7189
Nucleic Acid Atoms
Solvent Atoms	24
Heterogen Atoms	164

Software

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