Experiment: 1OS3

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	SLOW COOLING	6.3	295	hydrochloric acid, zinc acetate, sodium citrate, acetone, pH 6.3, SLOW COOLING, temperature 295.0K

Crystal Properties
Matthews coefficient	Solvent content
1.87	33.58

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 81.51	α = 90
b = 81.51	β = 90
c = 33.76	γ = 120

Symmetry
Space Group	H 3

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	IMAGE PLATE	RIGAKU RAXIS IV	mirrors	2002-06-26	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU	1.5418

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	1.95	16.42	99.7	0.045	15.9	3.7	22524	6070			33.4

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	1.95	2.02	100		0.175	3.67

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	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 4INS	1.95	16.42	6070	6070	662	99.7	0.216	0.253	Random	37.2

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]
-0.67	2.15		-0.67		1.34

RMS Deviations
Key	Refinement Restraint Deviation
c_dihedral_angle_d	20.2
c_scangle_it	3.13
c_mcangle_it	2.7
c_scbond_it	2.05
c_mcbond_it	1.66
c_angle_deg	1.1
c_improper_angle_d	0.67
c_bond_d	0.006

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	764
Nucleic Acid Atoms
Solvent Atoms	40
Heterogen Atoms	4

Software

Software
Software Name	Purpose
CrystalClear	data collection
d*TREK	data reduction
CNS	refinement
CrystalClear	data reduction
d*TREK	data scaling
CNS	phasing

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.