Experiment: 3U95

Crystal structure of a putative alpha-glucosidase from Thermotoga neapolitana

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	9.5	287	0.1M ethanolamine, 2% 1,4-dioxane, 8% PEG 20000, 1mM DTT, 1mM MnCl2, pH 9.5, VAPOR DIFFUSION, HANGING DROP, temperature 287K

Crystal Properties
Matthews coefficient	Solvent content
2.83	56.61

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 154.532	α = 90
b = 154.532	β = 90
c = 139.065	γ = 120

Symmetry
Space Group	P 31

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	173	CCD	MAR CCD 165 mm		2011-07-01	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SPRING-8 BEAMLINE BL44B2	0.9000	SPring-8	BL44B2

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	1.998	50	99	0.1	0.1	25.98	6.9	248951	246434

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	2	2.07	97.7		0.346	3.66	4.7	24470

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 (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	1.998	40.904	248951	246434	1985	98.85	0.1854	0.1851	0.1804	0.2215	0.2133	RANDOM

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]
-0.7556			-0.7556		1.5112

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	15.256
f_angle_d	1.03
f_chiral_restr	0.075
f_bond_d	0.007
f_plane_restr	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	23329
Nucleic Acid Atoms
Solvent Atoms	2481
Heterogen Atoms	6

Software

Software
Software Name	Purpose
HKL-2000	data collection
MOLREP	phasing
PHENIX	refinement
DENZO	data reduction
HKL-2000	data scaling