3EXA

Crystal structure of the full-length tRNA isopentenylpyrophosphate transferase (BH2366) from Bacillus halodurans, Northeast Structural Genomics Consortium target BhR41.

X-RAY DIFFRACTION

---

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.5	291	Protein solution: 10 mM Tris-HCl pH (7.5), 100 mM NaCl, 5 mM DTT, and 0.025% (w/v) NaN3. Reservoir solution: 16% PEG 3350 and 200 mM Ammonium tartrate, VAPOR DIFFUSION, HANGING DROP, temperature 291K

Crystal Properties
Matthews coefficient	Solvent content
2.44	49.54

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 51.805	α = 89.99
b = 73.824	β = 93.73
c = 95.561	γ = 90.02

Symmetry
Space Group	P 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	MAR CCD 165 mm	mirrors	2007-08-10	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS BEAMLINE X4C		NSLS	X4C

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	29.9	70.7	0.04	0.038	15.6	1.5	126922	89734	0.7	0.7	14.1

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)
	2.3	2.38	55.1		0.088	0.083	5.3	1.4

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	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	2.3	19.96	2	125493	85837	3936	68.4	0.22	0.22	0.263	RANDOM	30

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]
-10.72	-0.33	-3.68	11.26	0.18	-0.54

RMS Deviations
Key	Refinement Restraint Deviation
c_dihedral_angle_d	21.3
c_angle_deg	1.1
c_improper_angle_d	0.69
c_bond_d	0.007
c_bond_d_na
c_bond_d_prot
c_angle_d
c_angle_d_na
c_angle_d_prot
c_angle_deg_na
c_angle_deg_prot
c_dihedral_angle_d_na
c_dihedral_angle_d_prot
c_improper_angle_d_na
c_improper_angle_d_prot
c_mcbond_it
c_mcangle_it
c_scbond_it
c_scangle_it

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	9684
Nucleic Acid Atoms
Solvent Atoms	565
Heterogen Atoms

Software

Software
Software Name	Purpose
ADSC	data collection
SnB	phasing
CNS	refinement
XTALVIEW	refinement
DENZO	data reduction
SCALEPACK	data scaling