6RZD

Crystal structure of an inverting family GH156 exosialidase from uncultured bacterium pG7

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	Other		Unpublished SeMet derivative

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	6	273	0.8 M sodium formate, 15% PEG 4000, 0.1 M sodium acetate

Crystal Properties
Matthews coefficient	Solvent content
2.42	49.11

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 64.112	α = 90
b = 79.273	β = 94.72
c = 112.214	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 6M-F		2018-05-05	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	2	64.67	100	0.198	0.219	0.094	0.985	5.8	5.4		75801

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	2.04	99.7		0.809	0.894	0.377	0.593		5.6

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X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	Unpublished SeMet derivative	2	64.67	71915	3839	99.93	0.2363	0.2337	0.2856	RANDOM	23.225

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]
0.38		-0.89	-0.09		-0.14

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	29.417
r_dihedral_angle_4_deg	20.078
r_dihedral_angle_3_deg	14.723
r_dihedral_angle_1_deg	7.756
r_angle_refined_deg	1.855
r_angle_other_deg	1.312
r_chiral_restr	0.082
r_bond_refined_d	0.012
r_gen_planes_refined	0.01
r_bond_other_d	0.001

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	29.417
r_dihedral_angle_4_deg	20.078
r_dihedral_angle_3_deg	14.723
r_dihedral_angle_1_deg	7.756
r_angle_refined_deg	1.855
r_angle_other_deg	1.312
r_chiral_restr	0.082
r_bond_refined_d	0.012
r_gen_planes_refined	0.01
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	8020
Nucleic Acid Atoms
Solvent Atoms	420
Heterogen Atoms	106

Software

Software
Software Name	Purpose
Aimless	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
Aimless	data scaling
PHASER	phasing
DIALS	data reduction

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), 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 R01GM157729.