3DF6

The thermo- and acido-stable ORF-99 from the archaeal virus AFV1

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	6.8	293	33% MPD, 0.2M CaCl2, 0.1M Hepes, pH 6.8, VAPOR DIFFUSION, SITTING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
3.07	59.98

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 57.112	α = 90
b = 97.688	β = 90
c = 103.679	γ = 90

Symmetry
Space Group	P 21 21 21

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		2007-03-01	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID29	0.979	ESRF	ID29

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (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	2.05	45	100	0.095	0.095	25	13.8	37209	37209			23.58

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	2.05	2.16	100		0.399	0.399	7	14.1	5344

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	SAD	THROUGHOUT	2.05	30	35982	1156	100	0.1915	0.1905	0.22106	RANDOM	18.343

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]
-0.05			-0.04		0.09

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	29.74
r_dihedral_angle_4_deg	15.002
r_dihedral_angle_3_deg	12.346
r_dihedral_angle_1_deg	8.958
r_scangle_it	3.548
r_scbond_it	2.378
r_angle_refined_deg	1.44
r_mcangle_it	1.364
r_mcbond_it	1.177
r_nbtor_refined	0.306
r_xyhbond_nbd_refined	0.294
r_symmetry_vdw_refined	0.24
r_nbd_refined	0.21
r_symmetry_hbond_refined	0.176
r_metal_ion_refined	0.113
r_chiral_restr	0.097
r_symmetry_metal_ion_refined	0.06
r_bond_refined_d	0.013
r_gen_planes_refined	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3366
Nucleic Acid Atoms
Solvent Atoms	368
Heterogen Atoms	6

Software

Software
Software Name	Purpose
REFMAC	refinement
ADSC	data collection
MOSFLM	data reduction
SCALA	data scaling
SHELXS	phasing