Experiment: 8USJ

Crystal Structure of Kemp Eliminase HG198 with bound transition state analogue, 280 K

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
in silico model	Other		Computational design of HG198

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	4.6	293	6.0 mg/mL protein, 100 mM sodium acetate, pH 4.6, 1.6 M ammonium sulfate

Crystal Properties
Matthews coefficient	Solvent content
1.96	37.14

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 46.651	α = 83.581
b = 51.028	β = 81.118
c = 86.296	γ = 87.007

Symmetry
Space Group	P 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	280	PIXEL	DECTRIS PILATUS3 6M		2021-12-02	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALS BEAMLINE 8.3.1	1.1	ALS	8.3.1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	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	1.6	50.68	94.3	0.123	0.123	0.981	7.7	1.8		97130			10.13

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Rpim I (All)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.6	1.63			0.547	0.547	0.466	1.7

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	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	1.6	50.68	1.97	97116	4795	94.29	0.1558	0.154	0.1558	0.19	0.1918	16.11

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	12.1871
f_angle_d	0.7241
f_chiral_restr	0.0464
f_plane_restr	0.0052
f_bond_d	0.0039

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	6862
Nucleic Acid Atoms
Solvent Atoms	820
Heterogen Atoms	36

Software

Software
Software Name	Purpose
xia2	data reduction
DIALS	data reduction
Aimless	data scaling
Coot	model building
PHASER	phasing
PHENIX	refinement