5ZXG

Cyclic alpha-maltosyl-(1-->6)-maltose hydrolase from Arthrobacter globiformis, ligand-free form

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	5.6	293	0.1 M sodium citrate, 0.22 M Ammonium sulfate, 30% (w/v) PEG4000

Crystal Properties
Matthews coefficient	Solvent content
2.44	49.57

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 48.25	α = 90
b = 179.798	β = 113.61
c = 63.412	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	PIXEL	DECTRIS EIGER R 4M		2016-10-15	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SPRING-8 BEAMLINE BL26B1	1.0000	SPring-8	BL26B1

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	2.4	89.9	92.2	0.048	0.232	3.2		35608

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.4	2.44	92.1		0.096	0.984	0.131	3.1

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	1J0H	2.4	89.9	33636	1836	91.49	0.19103	0.18788	0.24812	RANDOM	26.543

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]
0.03		0.01			-0.03

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.83
r_dihedral_angle_4_deg	22.252
r_dihedral_angle_3_deg	16.341
r_dihedral_angle_1_deg	7.103
r_long_range_B_refined	4.821
r_long_range_B_other	4.809
r_scangle_other	3.233
r_mcangle_other	3.098
r_mcangle_it	3.097
r_scbond_it	2.065
r_scbond_other	2.064
r_mcbond_it	1.958
r_mcbond_other	1.956
r_angle_refined_deg	1.855
r_angle_other_deg	1.154
r_chiral_restr	0.139
r_bond_refined_d	0.015
r_gen_planes_refined	0.008
r_bond_other_d	0.003
r_gen_planes_other	0.002
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	6846
Nucleic Acid Atoms
Solvent Atoms	256
Heterogen Atoms	1

Software

Software
Software Name	Purpose
REFMAC	refinement
HKL-2000	data reduction
HKL-2000	data scaling
MOLREP	phasing