Experiment: 3AJ3

Crystal structure of selenomethionine substituted 4-pyridoxolactonase from Mesorhizobium loti

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP		277	30% PEG4000, 0.15M ammonium acetate, 0.1M sodium acetate, VAPOR DIFFUSION, SITTING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
1.95	36.92

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 82.777	α = 90
b = 39.214	β = 117.92
c = 84.191	γ = 90

Symmetry
Space Group	C 1 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		2010-04-26	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SPRING-8 BEAMLINE BL38B1	0.9792	SPring-8	BL38B1

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	1.577	28.99	97.8	0.051	22.6	6.7	32428	32428			15.43

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	1.577	1.64	93		0.284	7.9	5.4	3078

Refinement

Statistics
Diffraction ID	Structure Solution Method	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	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	1.577	28.989	0.13	31754	1606	95.6	0.164	0.163	0.1596	0.19	0.1878	random	17.78

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]
0.282		2.382	0.48		-0.761

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	17.661
f_angle_d	1.095
f_chiral_restr	0.076
f_bond_d	0.006
f_plane_restr	0.004

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2159
Nucleic Acid Atoms
Solvent Atoms	326
Heterogen Atoms	7

Software

Software
Software Name	Purpose
HKL-2000	data collection
SHELXE	model building
RESOLVE	model building
PHENIX	refinement
HKL-2000	data reduction
HKL-2000	data scaling
RESOLVE	phasing