5LI8

Crystal structure of Mycobacterium tuberculosis CYP126A1 in complex with ketoconazole

X-RAY DIFFRACTION

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Starting Model(s)

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

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP		277	2 M sodium sulphate, 0.1 M Tris, pH 7.0

Crystal Properties
Matthews coefficient	Solvent content
2.67	53.98

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 118.23	α = 90
b = 59.66	β = 93.21
c = 69.84	γ = 90

Symmetry
Space Group	C 1 2 1

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 PILATUS 300K		2010-01-29	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	DIAMOND BEAMLINE I03	0.976	Diamond	I03

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	1.83	43.86	92.47	0.048	19.1	3.9		37754

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	1.83	1.88	59.1		0.666	2.2	3.3

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	1OXA	1.83	43.86	37753	1996	100	0.15736	0.15525	0.19603	RANDOM	13.966

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]
0.11		0.42	0.03		-0.1

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	28.138
r_dihedral_angle_4_deg	19.381
r_dihedral_angle_3_deg	12.256
r_dihedral_angle_1_deg	5.534
r_scangle_it	5.471
r_scbond_it	3.476
r_mcangle_it	2.122
r_angle_refined_deg	2.001
r_mcbond_it	1.232
r_angle_other_deg	1.082
r_mcbond_other	0.413
r_chiral_restr	0.127
r_bond_refined_d	0.025
r_gen_planes_refined	0.003
r_bond_other_d	0.001
r_gen_planes_other
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_other
r_long_range_B_refined
r_long_range_B_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3032
Nucleic Acid Atoms
Solvent Atoms	484
Heterogen Atoms	79

Software

Software
Software Name	Purpose
REFMAC	refinement
XDS	data reduction
XDS	data scaling