8U0R | pdb_00008u0r

The crystal structure of protein A21, a component of the conserved poxvirus entry-fusion complex

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	5.5	293	One mL of protein at a concentration of 10 mg/ml in i10 mM Tris-HCl, 50 mM NaCl, pH 8.0 was mixed with 1 mL of mother liquor containing 20% PEG 4000, 0.1 M Na-citrate, 10% ethanol, and 1-5% cocktail mixture of low molecular alcohols,

Crystal Properties
Matthews coefficient	Solvent content
1.95	37.04

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 46.86	α = 90
b = 70.06	β = 95.29
c = 78.95	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	95	IMAGE PLATE	RIGAKU RAXIS IV++		2016-10-28	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SEALED TUBE	RIGAKU MICROMAX-003	1.54178

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	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	2.3	39.31	99.2	0.101	0.118	8.2	7.31		22602			48.69

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.3	2.36	91		0.333	0.399	3.1	6.4

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	Mean Isotropic B
X-RAY DIFFRACTION	SAD	FREE R-VALUE	2.3	39.31	1.39	22602	1810	99.25	0.2136	0.2113	0.2169	0.2394	0.2435	51

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]

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	15.1154
f_angle_d	1.3013
f_chiral_restr	0.2326
f_bond_d	0.0113
f_plane_restr	0.0073

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3389
Nucleic Acid Atoms
Solvent Atoms	84
Heterogen Atoms	213

Software

Software
Software Name	Purpose
PHENIX	refinement
CrystalClear	data reduction
CrystalClear	data scaling
AutoSol	phasing