2NXA

Structure of Zn-dependent Metallo-Beta-Lactamase from Bacillus Cereus R121H, C221D Double Mutant

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	5.4	295	0.1 M sodium cacodylate, pH 5.4, 60 mM sodium tartrate, 18% PEG 3350, VAPOR DIFFUSION, HANGING DROP, temperature 295K

Crystal Properties
Matthews coefficient	Solvent content
2.26	45.57

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 52.471	α = 90
b = 61.008	β = 92.85
c = 68.674	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	CCD	MAR CCD 165 mm		2006-02-15	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	LNLS BEAMLINE D03B-MX1	1.42	LNLS	D03B-MX1

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	2.3	50	94.5	0.073	12	3.4		9218		29486

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)
	2.3	2.38	70.7		0.24	3	2

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 (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	1BC2	2.29	68.52	9218	440	94.01	0.167	0.163	0.256	RANDOM	25.606

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]
-0.02		-0.68	0.74		-0.79

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	41.988
r_dihedral_angle_4_deg	17.721
r_dihedral_angle_3_deg	16.614
r_dihedral_angle_1_deg	7.456
r_scangle_it	4.841
r_scbond_it	3.099
r_mcangle_it	1.967
r_angle_refined_deg	1.96
r_mcbond_it	1.153
r_nbtor_refined	0.313

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	41.988
r_dihedral_angle_4_deg	17.721
r_dihedral_angle_3_deg	16.614
r_dihedral_angle_1_deg	7.456
r_scangle_it	4.841
r_scbond_it	3.099
r_mcangle_it	1.967
r_angle_refined_deg	1.96
r_mcbond_it	1.153
r_nbtor_refined	0.313
r_symmetry_hbond_refined	0.28
r_symmetry_vdw_refined	0.244
r_nbd_refined	0.219
r_xyhbond_nbd_refined	0.218
r_chiral_restr	0.126
r_bond_refined_d	0.022
r_gen_planes_refined	0.008

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1668
Nucleic Acid Atoms
Solvent Atoms	143
Heterogen Atoms	1

Software

Software
Software Name	Purpose
REFMAC	refinement
PDB_EXTRACT	data extraction
MAR345dtb	data collection
HKL-2000	data reduction
HKL-2000	data scaling
AMoRE	phasing

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), 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.