1T6A

Crystal Structure of Protein of Unknown Function from Bacillus stearothermophilus

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7	294	Bis-Tris-Propane, Sodium Nitrate, pH 7.0, VAPOR DIFFUSION, SITTING DROP, temperature 294K

Crystal Properties
Matthews coefficient	Solvent content
4.1	69.7

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 77.307	α = 90
b = 77.307	β = 90
c = 200.41	γ = 120

Symmetry
Space Group	H 3 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	SBC-2		2004-04-12	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 19-BM	0.97952	APS	19-BM

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	2.05	40	99.3	0.088	22.4	9.9	14861	14757

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)
	2.05	2.1	94.3		0.432	2.07	5.8	1010

Refinement

Statistics
Diffraction ID	Structure Solution Method	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	SAD	2.05	40	14754	14008	746	99.71	0.19618	0.19618	0.19429	0.22462	random	30.926

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]
1.77	0.88		1.77		-2.65

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_1_deg	5.624
r_scangle_it	4.435
r_scbond_it	2.592
r_mcangle_it	1.639
r_angle_other_deg	1.305
r_angle_refined_deg	1.232
r_mcbond_it	0.834
r_symmetry_vdw_other	0.307
r_nbd_other	0.231
r_xyhbond_nbd_refined	0.216
r_nbd_refined	0.192
r_symmetry_hbond_refined	0.184
r_symmetry_vdw_refined	0.139
r_nbtor_other	0.081
r_chiral_restr	0.07
r_bond_refined_d	0.011
r_gen_planes_refined	0.004
r_bond_other_d	0.002
r_gen_planes_other	0.002

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	997
Nucleic Acid Atoms
Solvent Atoms	100
Heterogen Atoms	4

Software

Software
Software Name	Purpose
REFMAC	refinement
HKL-2000	data reduction
SCALEPACK	data scaling
SHELXD	phasing
SOLVE	phasing
RESOLVE	phasing