3ER7

Crystal structure of NTF2-like protein of unknown function (YP_001812677.1) from EXIGUOBACTERIUM SP. 255-15 at 1.50 A resolution

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7	277	0.2000M NaCl, 30.0000% PEG-3000, 0.1M TRIS pH 7.0, NANODROP, VAPOR DIFFUSION, SITTING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
2.03	39.37

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 78.68	α = 90
b = 91.68	β = 90
c = 33.96	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	100	CCD	MARMOSAIC 325 mm CCD	Flat collimating mirror, toroid focusing mirror	2008-08-10	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRL BEAMLINE BL9-2	0.91162,0.97920	SSRL	BL9-2

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge 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	1.5	29.514	98.8	0.039	12.44			40169		-3	17.153

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	1.55	1.61	97		0.425	1.9

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	MAD	THROUGHOUT	1.5	29.514	40122	2014	99.68	0.178	0.176	0.209	RANDOM	19.085

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]
-0.14			0.28		-0.14

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	32.321
r_dihedral_angle_4_deg	17.25
r_dihedral_angle_3_deg	11.12
r_scangle_it	5.216
r_dihedral_angle_1_deg	4.587
r_scbond_it	3.917
r_mcangle_it	2.402
r_mcbond_it	1.68
r_angle_refined_deg	1.593
r_angle_other_deg	0.992
r_mcbond_other	0.31
r_symmetry_vdw_refined	0.251
r_symmetry_vdw_other	0.229
r_nbd_refined	0.22
r_nbd_other	0.204
r_nbtor_refined	0.187
r_symmetry_hbond_refined	0.148
r_xyhbond_nbd_refined	0.145
r_chiral_restr	0.108
r_nbtor_other	0.087
r_bond_refined_d	0.015
r_gen_planes_refined	0.007
r_bond_other_d	0.005
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1882
Nucleic Acid Atoms
Solvent Atoms	305
Heterogen Atoms	13

Software

Software
Software Name	Purpose
REFMAC	refinement
PHENIX	refinement
SHELX	phasing
MolProbity	model building
XSCALE	data scaling
PDB_EXTRACT	data extraction
XDS	data reduction
SHARP	phasing