4WJA

Crystal Structure of PAXX

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	5.5	289	2.24M Ammonium sulfate, 0.1M Bis-Tris, pH 5.5

Crystal Properties
Matthews coefficient	Solvent content
2.69	54.31

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 91.825	α = 90
b = 91.825	β = 90
c = 152.468	γ = 120

Symmetry
Space Group	P 65 2 2

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 315r		2014-04-22	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRF BEAMLINE BL17U	0.979	SSRF	BL17U

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	2.6	79.523	99.3	69.64	20		12287

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	2.6	38.475	1.34	12069	1213	98.23	0.2473	0.2452	0.25	0.2665	0.27

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	16.158
f_angle_d	1.566
f_chiral_restr	0.073
f_bond_d	0.012
f_plane_restr	0.01

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1933
Nucleic Acid Atoms
Solvent Atoms	6
Heterogen Atoms

Software

Software
Software Name	Purpose
PHENIX	refinement