5IFP

STRUCTURE OF BETA-GALACTOSIDASE FROM ASPERGILLUS NIGER

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	5.5	291	21% (W/V) PEG 3350, 0.1M BIS-TRIS BUFFER PH 5.5 , 0.2M LITHIUM SULPHATE

Crystal Properties
Matthews coefficient	Solvent content
2.86	57.06

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 85.57	α = 90
b = 111.421	β = 90
c = 126.73	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	100	PIXEL	DECTRIS PILATUS3 6M	KB mirrors	2013-09-26	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALBA BEAMLINE XALOC	0.97948	ALBA	XALOC

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	CC (Half)	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	1.71	83.68	99.9	0.115	0.997	11.5	6.8		131079

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	1.71	1.74	99.9		0.599	3.7	6.2

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	MOLECULAR REPLACEMENT	THROUGHOUT	4IUG	1.71	83.68	124388	6555	99.88	0.15127	0.15022	0.17136	RANDOM	12.623

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]
0.47			-0.22		-0.26

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	38.002
r_dihedral_angle_4_deg	14.155
r_dihedral_angle_3_deg	10.89
r_dihedral_angle_1_deg	6.534
r_long_range_B_refined	3.961
r_long_range_B_other	3.477
r_scangle_other	1.276
r_angle_refined_deg	1.272
r_mcangle_it	0.904
r_mcangle_other	0.904
r_angle_other_deg	0.876
r_scbond_it	0.772
r_scbond_other	0.772
r_mcbond_it	0.51
r_mcbond_other	0.507
r_chiral_restr	0.07
r_bond_refined_d	0.006
r_gen_planes_refined	0.005
r_bond_other_d	0.002
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	7483
Nucleic Acid Atoms
Solvent Atoms	1011
Heterogen Atoms	427

Software

Software
Software Name	Purpose
REFMAC	refinement
MOSFLM	data reduction
Aimless	data scaling
MOLREP	phasing