4QLL

Crystal structure of rice BGlu1 E176Q/Y341A/Q187A 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, 0.18M ammonium sulfate, 0.1M MES, pH 6.7, VAPOR DIFFUSION, HANGING DROP, temperature 288K

Crystal Properties
Matthews coefficient	Solvent content
2.35	47.7

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 79.581	α = 90
b = 101.257	β = 90
c = 127.426	γ = 90

Symmetry
Space Group	P 21 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	105	CCD	ADSC QUANTUM 315		2012-12-13	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	1.85	30	97.5	0.077	25.5	7.5		85615

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	1.85	1.92	96.4		0.416	4.9	7.5	8338

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	1.85	27.93	85615	81095	4250	96.85	0.16223	0.16104	0.18517	RANDOM	17.547

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]
-1.29			1.23		0.06

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.201
r_dihedral_angle_4_deg	20.772
r_dihedral_angle_3_deg	11.89
r_dihedral_angle_1_deg	5.808
r_long_range_B_refined	4.278
r_long_range_B_other	3.931
r_scangle_other	1.956
r_angle_refined_deg	1.307
r_scbond_it	1.222
r_scbond_other	1.222
r_mcangle_it	1.124
r_mcangle_other	1.124
r_angle_other_deg	1.015
r_mcbond_it	0.707
r_mcbond_other	0.706
r_chiral_restr	0.122
r_bond_refined_d	0.008
r_bond_other_d	0.006
r_gen_planes_refined	0.005
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	7596
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