4QY5

Crystal structures of chimeric beta-lactamase cTEM-19m showing different conformations

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	8.5	295	30% PEG 4000, 0.2M magnesium chloride, 0.1M TrisHCl, pH 8.5, VAPOR DIFFUSION, SITTING DROP, temperature 295K

Crystal Properties
Matthews coefficient	Solvent content
2.02	39.07

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 36.52	α = 90
b = 58.21	β = 90
c = 109.5	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	100	CCD	RAYONIX MX-300		2011-08-12	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	CLSI BEAMLINE 08ID-1	0.97949	CLSI	08ID-1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (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	1.5	51.4	99.9	0.062	20.9	7.2	38195	38195			12.3

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.5	1.54	99.3		0.841	2.2	7.1	2767

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 4ZG4	1.501	51.4	36212	36212	1923	99.85	0.11283	0.11283	0.11014	0.16101	RANDOM	18.022

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]
-0.03			-0.07		0.1

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.137
r_sphericity_free	27.51
r_dihedral_angle_4_deg	17.673
r_dihedral_angle_3_deg	12.124
r_sphericity_bonded	10.049
r_dihedral_angle_1_deg	5.577
r_scangle_other	4.896
r_rigid_bond_restr	4.665
r_long_range_B_refined	4.636
r_scbond_it	4.621
r_scbond_other	4.621
r_long_range_B_other	4.065
r_mcangle_it	2.198
r_mcangle_other	2.198
r_mcbond_it	2.031
r_mcbond_other	2.031
r_angle_refined_deg	1.759
r_angle_other_deg	0.917
r_chiral_restr	0.122
r_bond_refined_d	0.018
r_gen_planes_refined	0.009
r_gen_planes_other	0.002
r_bond_other_d	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2009
Nucleic Acid Atoms
Solvent Atoms	317
Heterogen Atoms	7

Software

Software
Software Name	Purpose
MxDC	data collection
PHASER	phasing
REFMAC	refinement
XDS	data reduction
XSCALE	data scaling