1PKF

Crystal Structure of Epothilone D-bound Cytochrome P450epoK

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	8.4	296	PEG 550, Glycine, pH 8.4, VAPOR DIFFUSION, SITTING DROP, temperature 23K

Crystal Properties
Matthews coefficient	Solvent content
2.46	50.06

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 60.43	α = 90
b = 60.43	β = 90
c = 252.77	γ = 90

Symmetry
Space Group	P 43 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		CCD	ADSC QUANTUM 315		2002-09-27	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALS BEAMLINE 8.2.2	1.1	ALS	8.2.2

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	2.1	50	96.2	0.063	33.9			25935			35.9

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)
	2.1	2.154	96.2		0.342	3.7		1348

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	MAD	THROUGHOUT	2.1	50	25935	25935	1329	95.48	0.22	0.22	0.219	0.275	RANDOM	47.099

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]
1.24			1.24		-2.49

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_1_deg	5.318
r_mcangle_it	2.538
r_scangle_it	2.382
r_scbond_it	1.611
r_angle_refined_deg	1.44
r_mcbond_it	1.438
r_angle_other_deg	0.819
r_symmetry_hbond_refined	0.397
r_symmetry_vdw_refined	0.338
r_symmetry_vdw_other	0.313
r_nbd_other	0.273
r_xyhbond_nbd_refined	0.252
r_nbd_refined	0.234
r_nbtor_other	0.092
r_chiral_restr	0.091
r_bond_refined_d	0.015
r_gen_planes_refined	0.006
r_bond_other_d	0.005
r_gen_planes_other	0.003
r_dihedral_angle_2_deg
r_xyhbond_nbd_other
r_symmetry_hbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3175
Nucleic Acid Atoms
Solvent Atoms	200
Heterogen Atoms	77

Software

Software
Software Name	Purpose
REFMAC	refinement
HKL-2000	data reduction