1ZC2

Crystal Structure of plasmid-encoded class C beta-lactamase CMY-2 complexed with citrate molecule

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	4	298	citric acid 0.1M, PEG 6000 30 % w/v, pH 4.0, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.3	46

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 72.71	α = 90
b = 97.1	β = 90
c = 103.31	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	MARRESEARCH	Mirrors	2004-06-04	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE BM30A	0.979565	ESRF	BM30A

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	2.09	43.85	98.1			44320	43482	2	2

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	2.09	2.21	90.3

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Cut-off Sigma (I)	Cut-off Sigma (F)	Number Reflections (All)	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	2.09	43.85	2	2	44320	43482	2170	100	0.2284	0.22464	0.29893	RANDOM	19.796

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]
-1.03			2.39		-1.36

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	38.682
r_dihedral_angle_4_deg	27.451
r_dihedral_angle_3_deg	20.648
r_dihedral_angle_1_deg	7.71
r_scangle_it	5.623
r_scbond_it	4.214
r_angle_refined_deg	2.752
r_mcangle_it	2.305
r_mcbond_it	1.927
r_nbtor_refined	0.322

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	38.682
r_dihedral_angle_4_deg	27.451
r_dihedral_angle_3_deg	20.648
r_dihedral_angle_1_deg	7.71
r_scangle_it	5.623
r_scbond_it	4.214
r_angle_refined_deg	2.752
r_mcangle_it	2.305
r_mcbond_it	1.927
r_nbtor_refined	0.322
r_nbd_refined	0.284
r_symmetry_hbond_refined	0.262
r_xyhbond_nbd_refined	0.229
r_symmetry_vdw_refined	0.214
r_chiral_restr	0.188
r_bond_refined_d	0.036
r_gen_planes_refined	0.014

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	5562
Nucleic Acid Atoms
Solvent Atoms	445
Heterogen Atoms	26

Software

Software
Software Name	Purpose
REFMAC	refinement
XDS	data reduction
XDS	data scaling
MOLREP	phasing

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.