3B3R

Crystal structure of Streptomyces cholesterol oxidase H447Q/E361Q mutant bound to glycerol (0.98A)

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1MXT	PDB ENTRY 1MXT; ADP, HETEROATOMS, WATERS AND ACTIVE SITE SIDECHAINS REMOVED FROM STARTING MODEL

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	5.2	291	10% PEG 8000, 75mM magnesium sulfate, 100mM cacodylate, pH 5.2, VAPOR DIFFUSION, HANGING DROP, temperature 291K

Crystal Properties
Matthews coefficient	Solvent content
2.1	41.3

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 51.314	α = 90
b = 73.643	β = 104.98
c = 63.275	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	100	CCD	ADSC QUANTUM 315	vertical focusing mirror		M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRL BEAMLINE BL9-1	0.93	SSRL	BL9-1

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	0.98	38.11	99.9	0.066	7.8	3.75	246315	259284			6.9

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)
1	0.98	1.02	99.9		0.48	2.1	3.38

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (All)	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	FOURIER SYNTHESIS	FREE R	PDB ENTRY 1MXT; ADP, HETEROATOMS, WATERS AND ACTIVE SITE SIDECHAINS REMOVED FROM STARTING MODEL	0.98	34.4	246315	12969	94.9	0.1291	0.1292		0.1589	RANDOM	13.885

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]

Coordinate Error
Structure Solution Method	Refinement High Resolution	Refinement Low Resolution
127	3342.12	4503.74

RMS Deviations
Key	Refinement Restraint Deviation
s_approx_iso_adps	0.094
s_non_zero_chiral_vol	0.092
s_zero_chiral_vol	0.082
s_similar_adp_cmpnt	0.042
s_from_restr_planes	0.033
s_angle_d	0.029
s_bond_d	0.012
s_rigid_bond_adp_cmpnt	0.005
s_similar_dist
s_anti_bump_dis_restr

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3839
Nucleic Acid Atoms
Solvent Atoms	754
Heterogen Atoms	81

Software

Software
Software Name	Purpose
d*TREK	data scaling
SHELX	refinement
PDB_EXTRACT	data extraction
HKL-2000	data collection
d*TREK	data reduction
REFMAC	phasing
SHELXL-97	refinement

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 R01GM157729.