7M57

Crystallographic structure of a primitive orthorhombic crystal form of STMV

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	4NIA

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	6	298	Crystals were grown by sitting drop vapor diffusion in Cryschem plates using 0.6 ml reservoirs. The drops were 6 to 8 ul and composed of equal volumes of a 5 mg/ml virus stock solution buffered with 0.1 M phosphate at pH 6.5, and the reservoir. The reservoirs were 16% ammonium sulfate buffered at pH 6.0 with 0.1 M phosphate. Crystallization was a room temperature.

Crystal Properties
Matthews coefficient	Solvent content
1.59	22.75

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 192.08	α = 90
b = 202.29	β = 90
c = 177.93	γ = 90

Symmetry
Space Group	P 21 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	293	CCD	ADSC QUANTUM 210r	Osmic mirrors	1998-06-15	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU	1.54

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	R Sym I (Observed)	CC (Half)	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	4	70	81.8	0.085	0.084	0.94	5.6	6.8		48422			26.66

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	4	4.25	36		0.28	0.27	0.43	1.2	2.3

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	FREE R-VALUE	4NIA	4	60	48359		81.8	0.2

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]

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	33540
Nucleic Acid Atoms	13414
Solvent Atoms	16
Heterogen Atoms	30

Software

Software
Software Name	Purpose
PHENIX	refinement
DENZO	data reduction
SCALEPACK	data scaling
PHASER	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.