Experiment: 2Z3T

Crystal Structure of Substrate Free Cytochrome P450 StaP (CYP245A1)

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION	8	293	22% PEG 3350, 50mM potassium fluoride, 100mM imidazole, pH 8.0, VAPOR DIFFUSION, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.58	52.41

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 89.64	α = 90
b = 78.718	β = 107.92
c = 145.656	γ = 90

Symmetry
Space Group	P 1 21 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	90	CCD	ADSC QUANTUM 210		2006-09-28	M	SINGLE WAVELENGTH
2	1	x-ray	90	CCD	ADSC QUANTUM 210		2006-09-28	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SPRING-8 BEAMLINE BL44B2	1.0000	SPring-8	BL44B2
2	SYNCHROTRON	SPRING-8 BEAMLINE BL44B2	1.7330, 1.7382, 1.7403	SPring-8	BL44B2

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Sym 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	1.9	20	91.4	0.032	20.66	3.3		138934			31.42

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	1.9	1.97	67.1		0.416	3.34	3.2	10180

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MAD	THROUGHOUT	1.9	20	11960	119987	5865	79	0.228	0.2319	0.273	0.2728	thin shells, no twin-related reflections spread across both sets	43.856

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]
-6.129		-0.076	10.064		-3.935

RMS Deviations
Key	Refinement Restraint Deviation
c_angle_deg	1.536
c_bond_d	0.008

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	11988
Nucleic Acid Atoms
Solvent Atoms	426
Heterogen Atoms	228

Software

Software
Software Name	Purpose
CNS	refinement
PDB_EXTRACT	data extraction
BSS	data collection
HKL-2000	data reduction
SCALEPACK	data scaling
SOLVE	phasing