4QLK

Crystal structure of rice BGlu1 E176Q/Y341A mutant complexed with cellotetraose

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.7	288	20% PEG MME 5000, 0.2M ammonium sulfate, 0.1M MES, pH 6.7, VAPOR DIFFUSION, HANGING DROP, temperature 288K

Crystal Properties
Matthews coefficient	Solvent content
2.34	47.45

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 63.66	α = 90
b = 79.531	β = 97.83
c = 101.989	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	105	CCD	ADSC QUANTUM 315		2012-12-14	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSRRC BEAMLINE BL13B1	1.0	NSRRC	BL13B1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	1.83	30	98.7	0.084	13.7	3.4		87554

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.83	1.9	92.8		0.465	2	2.2	8189

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (All)	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	Rigid body refinement	THROUGHOUT	3F5I	1.83	30	87554	75154	3951	88.94	0.15281	0.15198	0.16854	RANDOM	19.1

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]
0.12		0.09	-0.11		-0.03

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.141
r_dihedral_angle_4_deg	21.097
r_dihedral_angle_3_deg	11.872
r_dihedral_angle_1_deg	5.733
r_long_range_B_refined	4.404
r_long_range_B_other	4.114
r_scangle_other	1.938
r_angle_refined_deg	1.28
r_scbond_it	1.227
r_scbond_other	1.227
r_mcangle_it	1.059
r_mcangle_other	1.059
r_angle_other_deg	1.058
r_mcbond_it	0.67
r_mcbond_other	0.666
r_chiral_restr	0.114
r_bond_refined_d	0.008
r_bond_other_d	0.005
r_gen_planes_refined	0.005
r_gen_planes_other	0.001
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_scangle_it
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	7604
Nucleic Acid Atoms
Solvent Atoms	839
Heterogen Atoms	170

Software

Software
Software Name	Purpose
HKL-2000	data collection
Coot	model building
REFMAC	refinement
HKL-2000	data reduction
HKL-2000	data scaling