1N40

Atomic structure of CYP121, a mycobacterial P450

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.3	277	ammonium sulphate, pH 6.3, VAPOR DIFFUSION, HANGING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
2.04	39.17

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 77.184	α = 90
b = 77.184	β = 90
c = 263.829	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	ADSC QUANTUM 4		2002-02-15	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID14-4	0.9	ESRF	ID14-4

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	1.06	10	88.5	0.092	6.5		209932	176158			12

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	1.06	1.088	63.8

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MIR	THROUGHOUT	1.06	10	176158	176158	9314	88.5	0.1337	0.1337	0.13266	0.15309	RANDOM	10.347

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]
-0.04	-0.02		-0.04		0.06

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_3_deg	12.34
r_sphericity_free	7.459
r_dihedral_angle_1_deg	5.579
r_sphericity_bonded	4.842
r_scangle_it	3.899
r_scbond_it	2.815
r_angle_other_deg	2.448
r_mcangle_it	2.248
r_angle_refined_deg	1.943
r_rigid_bond_restr	1.576
r_mcbond_it	1.571
r_symmetry_vdw_other	0.306
r_nbd_other	0.28
r_chiral_restr	0.249
r_nbd_refined	0.231
r_xyhbond_nbd_refined	0.212
r_symmetry_vdw_refined	0.201
r_symmetry_hbond_refined	0.191
r_nbtor_other	0.17
r_bond_refined_d	0.018
r_gen_planes_refined	0.012
r_gen_planes_other	0.004
r_bond_other_d	0.002

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3081
Nucleic Acid Atoms
Solvent Atoms	792
Heterogen Atoms	103

Software

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