1Y9G

Crystal structure of exo-inulinase from Aspergillus awamori complexed with fructose

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	4.5	293	15% PEG3350, 1 mM sodium cacodylate, 20-100 mM sodium acetate, pH 4.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.6	52

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 49.904	α = 90
b = 94.371	β = 107.1
c = 67.617	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	IMAGE PLATE	MARRESEARCH		2003-01-01	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU ULTRAX 18	1.54

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	1.87	24.05	84.9	0.072	10.1	5.4	49450	41994

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	1.87	1.92	75.58		0.369	2.2	5.7

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	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	SIRAS	THROUGHOUT	1.87	24.05	49450	41994	2113	84.9	0.151	0.14869	0.19473	RANDOM	16.024

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]
-0.29		0.18	1.1		-0.7

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.042
r_dihedral_angle_4_deg	14.131
r_dihedral_angle_3_deg	11.554
r_dihedral_angle_1_deg	7.618
r_scangle_it	3.66
r_scbond_it	2.713
r_angle_refined_deg	1.865
r_mcangle_it	1.554
r_mcbond_it	1.28
r_angle_other_deg	0.925
r_mcbond_other	0.351
r_symmetry_vdw_other	0.307
r_nbd_other	0.265
r_nbd_refined	0.191
r_nbtor_refined	0.185
r_xyhbond_nbd_refined	0.177
r_symmetry_hbond_refined	0.141
r_chiral_restr	0.132
r_symmetry_vdw_refined	0.093
r_nbtor_other	0.09
r_bond_refined_d	0.021
r_gen_planes_refined	0.01
r_bond_other_d	0.002
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4042
Nucleic Acid Atoms
Solvent Atoms	755
Heterogen Atoms	82

Software

Software
Software Name	Purpose
REFMAC	refinement
MAR345	data collection
SCALEPACK	data scaling
SHARP	phasing