Experiment: 8ISO

Crystal structure of extended-spectrum class A beta-lactamase, CESS-1

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1O7E

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	MICROBATCH		288	0.1 M Bis-Tris pH 6.5, 20% (w/v) polyethylene glycol (PEG) monomethyl ether (MME) 5000

Crystal Properties
Matthews coefficient	Solvent content
2.54	51.67

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 61.58	α = 90
b = 61.58	β = 90
c = 149.49	γ = 90

Symmetry
Space Group	P 41 21 2

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		2022-05-02	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	PAL/PLS BEAMLINE 11C	0.97942	PAL/PLS	11C

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	1.29	30	99.9	0.999	18.27	25.1		73173			14.13

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	1.29	1.35			0.893

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	THROUGHOUT	1O7E	1.29	28.47	1.36	73169	2000	99.88	0.1706	0.1701	0.1707	0.1877	0.1884	17.15

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	14.3157
f_angle_d	0.9619
f_chiral_restr	0.0858
f_plane_restr	0.0066
f_bond_d	0.0065

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1955
Nucleic Acid Atoms
Solvent Atoms	241
Heterogen Atoms	80

Software

Software
Software Name	Purpose
PHENIX	refinement
XDS	data scaling
Coot	model building
PHASER	phasing
XDS	data reduction