6UAS

Crystal structure of a GH128 (subgroup I) endo-beta-1,3-glucanase (E199A mutant) from Amycolatopsis mediterranei (AmGH128_I) in complex with laminaripentaose

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	3.5	291	Zinc Chloride 0.01 M PEG 6000 20% Sodium acetate 0.1 M

Crystal Properties
Matthews coefficient	Solvent content
2.56	51.91

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 36.68	α = 90
b = 79.347	β = 103.11
c = 46.152	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 PILATUS 2M		2017-11-17	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	LNLS BEAMLINE W01B-MX2	1.458560	LNLS	W01B-MX2

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	1.91	44.95	92.9	0.999	13.89	3.89		18627

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.91	2.03			0.834

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	6UAQ	1.91	39.14	17707	919	92.93	0.1593	0.1574	0.1984	RANDOM	21.95

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]
0.75		0.68	-1.57		0.46

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.719
r_dihedral_angle_4_deg	18.33
r_dihedral_angle_3_deg	13.11
r_dihedral_angle_1_deg	7.419
r_angle_refined_deg	1.885
r_angle_other_deg	1.464
r_chiral_restr	0.092
r_bond_refined_d	0.014
r_gen_planes_refined	0.011
r_bond_other_d	0.001

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.719
r_dihedral_angle_4_deg	18.33
r_dihedral_angle_3_deg	13.11
r_dihedral_angle_1_deg	7.419
r_angle_refined_deg	1.885
r_angle_other_deg	1.464
r_chiral_restr	0.092
r_bond_refined_d	0.014
r_gen_planes_refined	0.011
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1809
Nucleic Acid Atoms
Solvent Atoms	218
Heterogen Atoms	76

Software

Software
Software Name	Purpose
REFMAC	refinement
PDB_EXTRACT	data extraction
XDS	data reduction
XSCALE	data scaling
PHASER	phasing

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.