2ESH

Crystal Structure of Conserved Protein of Unknown Function TM0937- a Potential Transcriptional Factor

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	5.1	293	0.4M CaCL2, 20% PEG3350, pH 5.1, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
3.07	59.91

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 50.648	α = 90
b = 50.648	β = 90
c = 114.396	γ = 120

Symmetry
Space Group	P 32 2 1

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	CUSTOM-MADE		2005-07-11	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 19-ID	0.9794807	APS	19-ID

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (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	2.3	43.85	99.59	0.097	0.097	23.13	9.9	7651	7620

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.3	2.34	100		0.973	0.973	2.93	10.4

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	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	none	2.3	43.85	7651	7620	369	99.59	0.22786	0.2257	0.27034	RANDOM	44.44

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]
2	1		2		-3

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	32.959
r_dihedral_angle_3_deg	20.222
r_dihedral_angle_4_deg	16.841
r_dihedral_angle_1_deg	9.774
r_scangle_it	5.913
r_scbond_it	4.22
r_mcangle_it	2.441
r_mcbond_it	2.217
r_angle_refined_deg	2.163
r_nbtor_refined	0.312
r_symmetry_vdw_refined	0.309
r_nbd_refined	0.263
r_symmetry_hbond_refined	0.223
r_chiral_restr	0.184
r_xyhbond_nbd_refined	0.159
r_bond_refined_d	0.028
r_gen_planes_refined	0.01
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_other
r_nbtor_other
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	933
Nucleic Acid Atoms
Solvent Atoms	40
Heterogen Atoms	1

Software

Software
Software Name	Purpose
REFMAC	refinement
HKL-2000	data reduction
SCALEPACK	data scaling
SOLVE	phasing
RESOLVE	phasing
ARP/wARP	model building