4PM9

Crystal structure of CTX-M-14 S70G:S237A:R276A beta-lactamase in complex with cefotaxime at 1.45 Angstroms resolution

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP		296	Ammonium sulfate, PEG 4000

Crystal Properties
Matthews coefficient	Solvent content
2	38.58

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 41.53	α = 90
b = 61.737	β = 90
c = 86.675	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	80	CCD	ADSC QUANTUM 315r		2011-02-07	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALS BEAMLINE 5.0.1	0.97	ALS	5.0.1

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	1.45	37.5	98.9	22.2	2.7		41240

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	Mean Isotropic B
X-RAY DIFFRACTION		NONE	1.454	37.453	39269	1971	98.19	0.1619	0.1609	0.1803

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]
-1.2341			0.3309		0.9032

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	12.951
f_angle_d	1.12
f_chiral_restr	0.065
f_bond_d	0.005
f_plane_restr	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1947
Nucleic Acid Atoms
Solvent Atoms	305
Heterogen Atoms	30

Software

Software
Software Name	Purpose
PHENIX	refinement