5JUG

Structure of an inactive (E45Q) variant of a beta-1,4-mannanase, SsGH134, in complex with Man5

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7	293	The protein stock in the buffer of 20 mM sodium phosphate, pH7.2 and 200 mM NaCl is mixed 1:1 with the precipitant consist of 20 % PEG6000, 0.15-0.2 M CaCl2, and 0.1 M NaHEPES, pH 7.0

Crystal Properties
Matthews coefficient	Solvent content
2.32	47

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 36.707	α = 90
b = 53.841	β = 90
c = 82.636	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 PILATUS 6M		2016-04-18	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	DIAMOND BEAMLINE I02	0.97949	Diamond	I02

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	0.96	45.11	84.1	0.054	0.998	12.4	5.9		84396

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	0.96	0.98	29.2		0.52	1.1	2.5

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	alpha-helical fragment	0.96	45.11	80165	4166	83.79	0.1227	0.12173	0.14133	RANDOM	9.503

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]
-0.13			-0.12		0.25

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.746
r_sphericity_free	26.134
r_dihedral_angle_4_deg	15.197
r_dihedral_angle_3_deg	10.388
r_sphericity_bonded	6.962
r_dihedral_angle_1_deg	4.993
r_long_range_B_refined	2.969
r_long_range_B_other	2.967
r_rigid_bond_restr	1.798
r_scangle_other	1.762
r_angle_refined_deg	1.668
r_mcangle_it	1.371
r_mcangle_other	1.371
r_scbond_it	1.352
r_scbond_other	1.349
r_angle_other_deg	1.008
r_mcbond_other	1.006
r_mcbond_it	1.005
r_chiral_restr	0.108
r_bond_refined_d	0.012
r_gen_planes_refined	0.01
r_bond_other_d	0.002
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

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1236
Nucleic Acid Atoms
Solvent Atoms	228
Heterogen Atoms	75

Software

Software
Software Name	Purpose
REFMAC	refinement
xia2	data reduction
xia2	data scaling
ACORN	phasing