4L0E

Structure of P450sky (CYP163B3), a cytochrome P450 from skyllamycin biosynthesis (heme-coordinated expression tag)

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.5	277	0.1 M HEPES, 1.4 M ammonium sulfate, 0.1 M sodium chloride, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
3.03	59.36

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 91.62	α = 90
b = 91.62	β = 90
c = 123.33	γ = 120

Symmetry
Space Group	P 32 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	PSI PILATUS 6M		2011-05-27	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SLS BEAMLINE X10SA	1.000000	SLS	X10SA

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	2.7	42.943	96.9	0.077	10.58		16981	16458		-3	58.019

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	2.7	2.8	98.2		0.572	1.82

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (All)	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 3MGX	2.7	42.943	16458	16427	821	100	0.2506	0.2483	0.2934	RANDOM	59.7899

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]
1.59	0.8		1.59		-2.39

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	29.735
r_dihedral_angle_4_deg	16.995
r_dihedral_angle_3_deg	15.858
r_dihedral_angle_1_deg	5.022
r_angle_refined_deg	0.883
r_scangle_it	0.642
r_scbond_it	0.375
r_mcangle_it	0.242
r_mcbond_it	0.126
r_chiral_restr	0.06

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	29.735
r_dihedral_angle_4_deg	16.995
r_dihedral_angle_3_deg	15.858
r_dihedral_angle_1_deg	5.022
r_angle_refined_deg	0.883
r_scangle_it	0.642
r_scbond_it	0.375
r_mcangle_it	0.242
r_mcbond_it	0.126
r_chiral_restr	0.06
r_bond_refined_d	0.006
r_gen_planes_refined	0.004

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3429
Nucleic Acid Atoms
Solvent Atoms	13
Heterogen Atoms	58

Software

Software
Software Name	Purpose
XSCALE	data scaling
PHASER	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
XDS	data scaling

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.