6O1C

Alpha-L-fucosidase AlfC D200A mutant in complex with 4-nitrophenyl-a-L-fucopyranoside substrate

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	6O18	PDB entry 6O18

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7	298	250 nL 20 mg/mL AlfC D200Aof + 250 nL mother liquor (18% w/v PEG3350, 0.1 M Bis-Tris propane, pH 7, 20 mM sodium/potassium phosphate, 1% v/v glycerol), crystals appeared after five days, were harvested in mother liquor + 20% v/v glycerol + 5 mM 4NP-Fuc for ~1 minute, flash-cooled in liquid nitrogen

Crystal Properties
Matthews coefficient	Solvent content
2.61	52.91

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 89.734	α = 90
b = 139.079	β = 90
c = 263.373	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		2019-01-14	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRL BEAMLINE BL12-2	1.033170	SSRL	BL12-2

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	2.6	39.43	96.7	0.109	0.129	0.068	0.994	6.3	3.4		97990

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	2.6	2.64	98.5		1.367	1.621	0.855	0.582		3.3

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	PDB entry 6O18	2.6	39.43	92904	4998	95.82	0.233	0.2315	0.2607	RANDOM	70.728

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]
-2.38			3.03		-0.65

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.254
r_dihedral_angle_3_deg	15.609
r_dihedral_angle_4_deg	7.828
r_dihedral_angle_1_deg	6.613
r_angle_refined_deg	1.385
r_angle_other_deg	1.311
r_chiral_restr	0.066
r_bond_refined_d	0.007
r_gen_planes_refined	0.006
r_bond_other_d	0.003
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	20562
Nucleic Acid Atoms
Solvent Atoms	232
Heterogen Atoms	160

Software

Software
Software Name	Purpose
XDS	data reduction
Aimless	data scaling
MOLREP	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction