1N4O

Crystal structure of the Class A beta-lactamase L2 from Stenotrophomonas maltophilia

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.5	291	ammonium sulfate 1.5M, sodium cacodylate 0.1M, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 291K

Crystal Properties
Matthews coefficient	Solvent content
3.55	65.05

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 135.503	α = 90
b = 135.503	β = 90
c = 94.856	γ = 90

Symmetry
Space Group	P 41 21 2

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	283	IMAGE PLATE	MARRESEARCH		2001-05-25	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	LURE BEAMLINE DW32	0.9485	LURE	DW32

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	1.85	30	99.2	0.064	22.7	6.1		75048		2.5	25.4

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)
	1.85	1.95	95.2		0.286	2.6	5.5	10357

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 (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 1BZA	1.85	30	70264	4719	99.1	0.164	0.155	0.147	0.164	RANDOM	17.3

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]

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	16.057
r_dihedral_angle_1_deg	4.497
r_scangle_it	4.399
r_mcangle_it	3.092
r_scbond_it	2.804
r_mcbond_it	1.926
r_angle_refined_deg	1.753
r_nbd_refined	0.25
r_chiral_restr	0.144
r_xyhbond_nbd_refined	0.142

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	16.057
r_dihedral_angle_1_deg	4.497
r_scangle_it	4.399
r_mcangle_it	3.092
r_scbond_it	2.804
r_mcbond_it	1.926
r_angle_refined_deg	1.753
r_nbd_refined	0.25
r_chiral_restr	0.144
r_xyhbond_nbd_refined	0.142
r_symmetry_vdw_refined	0.14
r_symmetry_hbond_refined	0.082
r_bond_refined_d	0.022
r_gen_planes_refined	0.008

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4049
Nucleic Acid Atoms
Solvent Atoms	315
Heterogen Atoms	20

Software

Software
Software Name	Purpose
MOSFLM	data reduction
SCALA	data scaling
AMoRE	phasing
REFMAC	refinement
CCP4	data scaling

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.