4NQF

Crystal structure of HEPN domain protein

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7	298	8% Polyethylene glycol 3350, 100mM Imidazole, pH 7, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.54	51.6

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 63.103	α = 90
b = 71.574	β = 90
c = 83.416	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	Mirrors	2011-05-19	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS BEAMLINE X6A	0.9798	NSLS	X6A

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	2.7	36.04	99.04	0.05		7.5	10678	10678	1	1

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	2.7	36.04	99		0.05		7.5

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (All)	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	2.7	36.04	9671	9671	1075	99.04	0.22395	0.2176	0.28005	RANDOM	66.507

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]
0.86			2		-2.85

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.65
r_dihedral_angle_3_deg	18.629
r_dihedral_angle_4_deg	15.126
r_long_range_B_refined	10.553
r_long_range_B_other	10.553
r_scangle_other	7.977
r_mcangle_it	7.594
r_mcangle_other	7.592
r_dihedral_angle_1_deg	6.803
r_scbond_it	5.092
r_scbond_other	5.091
r_mcbond_it	5.053
r_mcbond_other	5.047
r_angle_refined_deg	1.372
r_angle_other_deg	1.001
r_chiral_restr	0.077
r_bond_refined_d	0.011
r_gen_planes_refined	0.007
r_bond_other_d	0.004
r_gen_planes_other	0.004

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2427
Nucleic Acid Atoms
Solvent Atoms	26
Heterogen Atoms

Software

Software
Software Name	Purpose
ADSC	data collection
Phenix-AutoSol	model building
REFMAC	refinement
HKL-2000	data reduction
HKL-2000	data scaling
Phenix-AutoSol	phasing