4V1R

Structure of a selenomethionine derivative of the GH76 alpha- mannanase BT2949 Bacteroides thetaiotaomicron

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		7.2		1.5 M AMMONIUM TARTRATE PH 7.2

Crystal Properties
Matthews coefficient	Solvent content
3.44	64.29

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 81.695	α = 90
b = 120.743	β = 90
c = 126.161	γ = 90

Symmetry
Space Group	P 2 21 21

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	PIXEL	DECTRIS PILATUS 6M		2013-04-19	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	DIAMOND BEAMLINE I03		Diamond	I03

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	1.8	48.5	99.9	0.08	14.2	7.9		115956		-3.7	14.1

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	1.8	1.83	99.9		0.44	3.4	6.7

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	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	NONE	1.8	126.16	110076	5813	99.92	0.14872	0.14768	0.16814	RANDOM	22.303

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]
-1.07			1.96		-0.89

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.353
r_dihedral_angle_4_deg	22.081
r_dihedral_angle_3_deg	12.413
r_dihedral_angle_1_deg	5.504
r_scangle_it	3.43
r_scbond_it	2.189
r_mcangle_it	1.932
r_angle_refined_deg	1.382
r_mcbond_it	1.312
r_mcbond_other	1.31
r_angle_other_deg	0.942
r_symmetry_vdw_refined	0.379
r_nbd_refined	0.266
r_nbtor_refined	0.191
r_nbd_other	0.168
r_xyhbond_nbd_refined	0.128
r_symmetry_vdw_other	0.111
r_chiral_restr	0.089
r_symmetry_hbond_refined	0.089
r_nbtor_other	0.082
r_xyhbond_nbd_other	0.027
r_bond_refined_d	0.011
r_gen_planes_refined	0.007
r_bond_other_d	0.003
r_gen_planes_other	0.003
r_metal_ion_refined
r_metal_ion_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_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	5801
Nucleic Acid Atoms
Solvent Atoms	1017
Heterogen Atoms	38

Software

Software
Software Name	Purpose
REFMAC	refinement
XDS	data reduction
Aimless	data scaling
SHELX	phasing