4ICT | pdb_00004ict

Substrate and reaction specificity of Mycobacterium tuberculosis cytochrome P450 CYP121

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	6.5	277	Ammonium sulfate, pH 6.5, VAPOR DIFFUSION, SITTING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
2.68	54.08

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 77.808	α = 90
b = 77.808	β = 90
c = 264.085	γ = 120

Symmetry
Space Group	P 65 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	CCD	MAR CCD 130 mm		2010-07-31	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID13	0.8726	ESRF	ID13

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	1.8	67.42	99.8	0.152		6.6		44879	1	1

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	FOURIER SYNTHESIS	THROUGHOUT	1.8	31.46	42581	2260	99.63	0.18016	0.17763	0.18	0.22846	0.23	RANDOM	24.924

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]
0.17	0.08		0.17		-0.25

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	28.664
r_dihedral_angle_4_deg	14.642
r_dihedral_angle_3_deg	12.92
r_dihedral_angle_1_deg	5.068
r_rigid_bond_restr	3.376
r_scbond_it	3.139
r_scangle_it	2.993
r_sphericity_free	2.754
r_sphericity_bonded	2.021
r_angle_refined_deg	1.196
r_mcangle_it	1.055
r_mcbond_it	0.701
r_nbtor_refined	0.301
r_nbd_refined	0.196
r_symmetry_vdw_refined	0.141
r_symmetry_hbond_refined	0.14
r_xyhbond_nbd_refined	0.13
r_chiral_restr	0.08
r_bond_refined_d	0.01
r_gen_planes_refined	0.004
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_other
r_nbtor_other
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3031
Nucleic Acid Atoms
Solvent Atoms	588
Heterogen Atoms	86

Software

Software
Software Name	Purpose
ADSC	data collection
FFT	model building
REFMAC	refinement
MOSFLM	data reduction
SCALA	data scaling
FFT	phasing