2JE8

Structure of a beta-mannosidase from Bacteroides thetaiotaomicron

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		7		0.15-0.35 M NABR, 6-12% W/V PEG 3350 AND 0.1 M BIS TRIS PROPANE PH7 OR 0.08-0.2 M KSCN 8-15% W/V PEG 3350 AND 0.1 M BIS TRIS PROPANE, pH 7.00

Crystal Properties
Matthews coefficient	Solvent content
2.16	42.52

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 91.463	α = 90
b = 115.997	β = 113.42
c = 99.146	γ = 90

Symmetry
Space Group	P 1 21 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 CCD	TOROIDAL MIRRORS	2005-09-26	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID14-4		ESRF	ID14-4

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	1.7	39.56	100	0.06	15.3	4.1		2		1

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	1.7	1.79	100		0.27	5.3	4.1

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	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	1.7	39.56	197589	10324	100	0.157	0.155	0.188	RANDOM	17.25

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]
-0.08		-0.12	0.04		-0.05

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.41
r_dihedral_angle_4_deg	19.426
r_dihedral_angle_3_deg	12.614
r_dihedral_angle_1_deg	6.626
r_scangle_it	4.056
r_scbond_it	2.671
r_angle_refined_deg	1.651
r_mcangle_it	1.564
r_mcbond_it	1.434
r_nbtor_refined	0.311
r_symmetry_vdw_refined	0.207
r_nbd_refined	0.204
r_chiral_restr	0.161
r_symmetry_hbond_refined	0.157
r_xyhbond_nbd_refined	0.134
r_bond_refined_d	0.018
r_gen_planes_refined	0.009
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_mcangle_other
r_scbond_other
r_scangle_other
r_long_range_B_refined
r_long_range_B_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	13693
Nucleic Acid Atoms
Solvent Atoms	1856
Heterogen Atoms	115

Software

Software
Software Name	Purpose
MOSFLM	data reduction
SCALA	data scaling
SHELXD	phasing
MLPHARE	phasing
REFMAC	refinement