Experiment: 3SMD

Crystal structure of a mut/nudix family protein from bacillus thuringiensis

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7.5	298	0.1M HEPES-Na, 10% isopropanal, 20% PEG4000 , pH 7.5, VAPOR DIFFUSION, SITTING DROP, temperature 298.0K

Crystal Properties
Matthews coefficient	Solvent content
1.98	37.98

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 64	α = 90
b = 64	β = 90
c = 59.01	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	ADSC QUANTUM 210	mirrors	2008-08-17	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS BEAMLINE X12C	0.9205	NSLS	X12C

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	1.76	50	99.5	0.042	28	21.1	14215	14215			15.2

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	1.76	1.82	94.9		0.447	4	18.9	1324

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 (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	SAD	THROUGHOUT	1.76	40.4	14215	13825	696	97.1	0.227	0.227	0.2371	0.259	0.2738	RANDOM	24.1

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]
2.86	1.05		2.86		-5.71

RMS Deviations
Key	Refinement Restraint Deviation
c_dihedral_angle_d	24.3
c_angle_deg	1.5
c_improper_angle_d	0.81
c_bond_d	0.006

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1084
Nucleic Acid Atoms
Solvent Atoms	124
Heterogen Atoms

Software

Software
Software Name	Purpose
CBASS	data collection
SHELXD	phasing
SHARP	phasing
ARP/wARP	model building
CNS	refinement
HKL-2000	data reduction
HKL-2000	data scaling