1X8H

The Mono-Zinc Carbapenemase CphA (N220G mutant) Shows a Zn(II)- NH2 ARG Coordination

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.5	280	PEG, AS, pH 6.50, VAPOR DIFFUSION, HANGING DROP, temperature 280K

Crystal Properties
Matthews coefficient	Solvent content
2.5	51

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 42.683	α = 90
b = 101.286	β = 90
c = 117.82	γ = 90

Symmetry
Space Group	C 2 2 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	MARRESEARCH		2003-06-18	M	SINGLE WAVELENGTH

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

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	R Sym 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	1.6	50	93.1	0.058	0.058	8.7	5.8		32222

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.6	1.69	93.1		0.07	0.07	8.1	3.4

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	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	SIRAS	THROUGHOUT	1.6	50	30092	1598	92.72	0.153	0.15397	0.15259	0.17957	RANDOM	11.165

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]
-0.22			0.45		-0.23

RMS Deviations
Key	Refinement Restraint Deviation
r_sphericity_free	8.379
r_dihedral_angle_1_deg	6.415
r_sphericity_bonded	4.173
r_scangle_it	3.357
r_scbond_it	2.076
r_angle_refined_deg	1.364
r_mcangle_it	1.299
r_angle_other_deg	1.042
r_mcbond_it	0.735
r_nbd_refined	0.413
r_symmetry_vdw_other	0.324
r_nbd_other	0.243
r_xyhbond_nbd_refined	0.173
r_symmetry_vdw_refined	0.105
r_symmetry_hbond_refined	0.104
r_chiral_restr	0.083
r_nbtor_other	0.081
r_metal_ion_refined	0.038
r_bond_refined_d	0.011
r_gen_planes_other	0.009
r_gen_planes_refined	0.008
r_bond_other_d	0.002
r_dihedral_angle_2_deg
r_dihedral_angle_3_deg
r_dihedral_angle_4_deg
r_nbtor_refined
r_xyhbond_nbd_other
r_metal_ion_other
r_symmetry_hbond_other
r_mcbond_other
r_rigid_bond_restr

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1772
Nucleic Acid Atoms
Solvent Atoms	258
Heterogen Atoms	32

Software

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