4OQH

Crystal structure of stabilized TEM-1 beta-lactamase variant v.13 carrying R164S mutation in complex with boron-based inhibitor EC25

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	44.19

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 155.54	α = 90
b = 47.03	β = 92.5
c = 34.62	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	100	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	1.7	45.01				88380	25519	2	3

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	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	1.7	45.01	24240	1276	92.09	0.18923	0.18696	0.23277	RANDOM	15.89

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]
			-0.01		0.01

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.362
r_dihedral_angle_4_deg	14.65
r_dihedral_angle_3_deg	13.071
r_long_range_B_refined	7.603
r_long_range_B_other	7.178
r_dihedral_angle_1_deg	5.322
r_scangle_other	3.614
r_mcangle_other	2.871
r_mcangle_it	2.673
r_scbond_other	2.388
r_scbond_it	2.349
r_mcbond_other	1.884
r_mcbond_it	1.739
r_angle_refined_deg	1.463
r_chiral_restr	0.069
r_gen_planes_refined	0.008
r_bond_refined_d	0.006
r_gen_planes_other	0.002
r_bond_other_d
r_angle_other_deg
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_scangle_it
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2010
Nucleic Acid Atoms
Solvent Atoms	367
Heterogen Atoms	30

Software

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