4QY6

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

X-RAY DIFFRACTION

---

Crystallization

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

Crystal Properties
Matthews coefficient	Solvent content
2.06	40.4

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 36.84	α = 90
b = 58.76	β = 90
c = 109.94	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		2011-08-11	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	1.15	36.84	98	0.041	23.6	6.1	83777	83777			6.9

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	1.15	1.18	81.4		0.372	2.9	3.9	4988

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	1.15	36.84	79494	79494	4212	97.82	0.10647	0.10647	0.10477	0.13884	RANDOM	12.31

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]
-0.82			0.46		0.36

RMS Deviations
Key	Refinement Restraint Deviation
r_sphericity_free	46.257
r_dihedral_angle_2_deg	36.76
r_dihedral_angle_4_deg	14.016
r_sphericity_bonded	13.896
r_dihedral_angle_3_deg	12.106
r_dihedral_angle_1_deg	6.054
r_long_range_B_refined	5.945
r_rigid_bond_restr	5.606
r_long_range_B_other	4.325
r_scangle_other	3.271
r_scbond_it	3.103
r_scbond_other	3.103
r_angle_refined_deg	2.07
r_mcangle_it	1.553
r_mcangle_other	1.552
r_mcbond_it	1.144
r_mcbond_other	1.144
r_angle_other_deg	0.977
r_chiral_restr	0.141
r_bond_refined_d	0.021
r_gen_planes_refined	0.011
r_bond_other_d	0.002
r_gen_planes_other	0.002

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2015
Nucleic Acid Atoms
Solvent Atoms	470
Heterogen Atoms	10

Software

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