Experiment: 7NN3

A carbohydrate esterase family 15 (CE15) glucuronoyl esterase from Caldicellulosiruptor kristjansonii

X-RAY DIFFRACTION

Starting Model(s)

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

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	5.5	293	0.2 M ammonium acetate, 0.1 M bis-tris, and 25% polyethylene glycol 3350. Protein at 51.1 mg/mL.

Crystal Properties
Matthews coefficient	Solvent content
2.58	52.36

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 99.058	α = 90
b = 116.901	β = 90
c = 160.394	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		2017-11-01	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID23-1	0.9789	ESRF	ID23-1

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	1.88948	48.637	97.33	0.07681	0.997	10.03	2.8		145210			28.2064645318

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.89	1.9367	90.96		0.8267	0.443		2.2

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	FREE R-VALUE	6EHN	1.88948348333	48.6209416022	1.34353963479	145194	2000	97.3352372142	0.167325045858	0.166773559883	0.1678	0.206762803839	0.207	32.1434755472

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]

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	12.8739916623
f_angle_d	0.795869031623
f_chiral_restr	0.0548217553828
f_bond_d	0.0067432379269
f_plane_restr	0.00527772240925

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	11892
Nucleic Acid Atoms
Solvent Atoms	1138
Heterogen Atoms	169

Software

Software
Software Name	Purpose
PHENIX	refinement
XDS	data reduction
Auto-Rickshaw	phasing
Coot	model building