4OP8

Room temperature crystal structure of stabilized TEM-1 beta-lactamase variant v.13 carrying G238S mutation

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.2	293	9% (wt/vol) polyethylene glycol (PEG) 8000, 100 mM MES pH 6.2, and 200mM Ca(OAc)2, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.2	44.06

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 154.36	α = 90
b = 47.04	β = 92.63
c = 34.92	γ = 90

Symmetry
Space Group	C 1 2 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	293	IMAGE PLATE	RIGAKU RAXIS IV++			M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU RUH3R	1.54178

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	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	1.75	77.36	97			80712	16253	2	3

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	pdb entry 1ZG4	1.95	44.99	16253	856	92.77	0.17951	0.17691	0.23016	RANDOM	26.703

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]
-0.11			0.21		-0.1

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	30.019
r_dihedral_angle_4_deg	12.378
r_dihedral_angle_3_deg	12.07
r_long_range_B_refined	8.19
r_long_range_B_other	8.093
r_scangle_other	5.269
r_dihedral_angle_1_deg	4.071
r_mcangle_it	4.037
r_mcangle_other	4.036
r_scbond_it	3.463
r_scbond_other	3.458
r_mcbond_it	2.709
r_mcbond_other	2.708
r_angle_refined_deg	0.69
r_angle_other_deg	0.513
r_chiral_restr	0.043
r_gen_planes_refined	0.003
r_bond_refined_d	0.002
r_gen_planes_other	0.002
r_bond_other_d	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2017
Nucleic Acid Atoms
Solvent Atoms	146
Heterogen Atoms	19

Software

Software
Software Name	Purpose
StructureStudio	data collection
MOLREP	phasing
REFMAC	refinement
XDS	data reduction
XSCALE	data scaling