Experiment: 2QBO

Crystal structure of the P450cam G248V mutant in the cyanide bound state

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1YRC	PDB entry 1yrc

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7.4	277	1 UL OF 15 MG/ML P450 IN 50 MM Potassium phosphate, 250 MM KCL WERE MIXED WITH AN EQUAL VOLUME OF THE RESERVOIR SOLUTION (100 mM Tris, 250 mM KCl, 27-30% PEG 8000, 100 MM DTE), pH 7.4, VAPOR DIFFUSION, SITTING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
2.57	52.1

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 63.68	α = 90
b = 63.68	β = 90
c = 241.25	γ = 90

Symmetry
Space Group	P 43 21 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	MARRESEARCH	DYNAMICALLY BENDABLE MIRROR	2005-11-12	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SLS BEAMLINE X10SA	1.006	SLS	X10SA

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	1.9	20	99	0.049	15	3.9	39886	39886		-3

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	2	96		0.334	3.3	3.1	5399

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-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	FOURIER SYNTHESIS	THROUGHOUT	PDB entry 1yrc	1.9	20	39886	39886	1995	98.8	0.201	0.1974	0.252	0.2447	random	33.067

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]
4.288			4.288		-8.575

RMS Deviations
Key	Refinement Restraint Deviation
c_scangle_it	2.794
c_scbond_it	1.997
c_mcangle_it	1.643
c_angle_d	1.269
c_mcbond_it	1.142
c_bond_d	0.008

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3225
Nucleic Acid Atoms
Solvent Atoms	520
Heterogen Atoms	57

Software

Software
Software Name	Purpose
CNS	refinement
PDB_EXTRACT	data extraction
MAR345	data collection
XDS	data reduction
XSCALE	data scaling
CNS	phasing