2J0D

Crystal structure of human P450 3A4 in complex with erythromycin

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.5		HANGING DROP CRYSTALLISATION USING 1:1 RATIO OF PROTEIN AT 20-27 MG/ML AGAINST 0.1 M HEPES PH 7-7.5, 0.2 M LITHIUM SULFATE,0.8-1.0 M LITHIUM CHLORIDE AND 30% PEG4000

Crystal Properties
Matthews coefficient	Solvent content
2.7	53

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 67.254	α = 90
b = 210.706	β = 90
c = 161.246	γ = 90

Symmetry
Space Group	C 2 2 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	ADSC CCD		2005-07-19	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID14-4		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	2.75	29.8	99.9	0.1	16.4	7.2		30291		2

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	2.75	2.82	100		0.56	3.9	7.4

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 1W0E	2.75	30	27971	1483	97.3	0.242	0.238	0.315	RANDOM

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]

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.899
r_dihedral_angle_3_deg	21.009
r_dihedral_angle_4_deg	15.935
r_dihedral_angle_1_deg	5.835
r_scangle_it	1.839
r_angle_refined_deg	1.332
r_scbond_it	1.141
r_mcangle_it	0.965
r_mcbond_it	0.533
r_nbtor_refined	0.313
r_symmetry_hbond_refined	0.285
r_xyhbond_nbd_refined	0.225
r_nbd_refined	0.219
r_symmetry_vdw_refined	0.217
r_chiral_restr	0.089
r_bond_refined_d	0.011
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
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	7140
Nucleic Acid Atoms
Solvent Atoms	49
Heterogen Atoms	137

Software

Software
Software Name	Purpose
REFMAC	refinement
MOSFLM	data reduction
SCALA	data scaling
MOLREP	phasing