6SXT

GH54 a-l-arabinofuranosidase soaked with aziridine inhibitor

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	4.5	293	2:1 protein:well solution. 0.1 M pH 4.5 sodium acetate buffer, 60% PEG400, 0.3 M (NH4)2SO4

Crystal Properties
Matthews coefficient	Solvent content
	34

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 112.232	α = 90
b = 112.232	β = 90
c = 342.73	γ = 120

Symmetry
Space Group	H 3 2

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 EIGER2 X 16M		2019-07-01	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	DIAMOND BEAMLINE I04	0.9795	Diamond	I04

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	Rpim I (All)	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	1.466	85.54	99.3	0.105	0.109	0.031	0.999	13	12.4		141273

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	Rpim I (All)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.466	1.491	98.5		2.98	3.13	0.94	0.367	0.7	10.7

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 (All)	R-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	FREE R-VALUE	1WD3	1.466	84.687	141273	6980	99.26	0.158	0.1569	0.1791	20.664

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]
0.154	0.077		0.154		-0.499

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	30.439
r_dihedral_angle_4_deg	21.062
r_dihedral_angle_3_deg	10.58
r_dihedral_angle_1_deg	7.567
r_lrange_it	5.344
r_lrange_other	5.074
r_scangle_it	4.3
r_scangle_other	4.299
r_scbond_it	3.195
r_scbond_other	3.194
r_angle_other_deg	2.577
r_mcangle_it	2.241
r_mcangle_other	2.241
r_angle_refined_deg	1.942
r_mcbond_it	1.737
r_mcbond_other	1.696
r_symmetry_nbd_refined	0.411
r_nbd_other	0.389
r_symmetry_nbd_other	0.222
r_symmetry_xyhbond_nbd_refined	0.221
r_nbd_refined	0.219
r_nbtor_refined	0.177
r_xyhbond_nbd_refined	0.132
r_chiral_restr	0.097
r_symmetry_nbtor_other	0.089
r_bond_other_d	0.037
r_gen_planes_other	0.018
r_bond_refined_d	0.016
r_gen_planes_refined	0.012

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3578
Nucleic Acid Atoms
Solvent Atoms	456
Heterogen Atoms	207

Software

Software
Software Name	Purpose
REFMAC	refinement
XDS	data reduction
Aimless	data scaling
PHASER	phasing