2QDS

Crystal Structure of the Zinc Carbapenemase CPHA in Complex with the Inhibitor D-Captopril

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1X8G

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.5	281	PEG, AS, PH 6.50, VAPOR DIFFUSION, HANGING DROP, temperature 281K

Crystal Properties
Matthews coefficient	Solvent content
2.5	51

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 43.001	α = 90
b = 100.99	β = 90
c = 116.819	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	0.93100	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	1.66	58.41	99.1	0.081	0.081	17.1	5.7		30270	2	2

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	1.66	1.75	94.3		0.222	0.222	4.4	3.2

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	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 (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	1X8G	1.66	50	2	2	30270	28699	1530	99.08	0.15	0.14902	0.14791	0.17	RANDOM	12.02

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]
			0.03		-0.03

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	26.457
r_dihedral_angle_4_deg	16.396
r_dihedral_angle_3_deg	11.359
r_dihedral_angle_1_deg	6.014
r_scangle_it	3.067
r_scbond_it	1.956
r_angle_refined_deg	1.283
r_mcangle_it	1.141
r_angle_other_deg	0.896
r_mcbond_it	0.691
r_nbd_refined	0.364
r_symmetry_vdw_other	0.317
r_nbd_other	0.196
r_nbtor_refined	0.181
r_symmetry_hbond_refined	0.179
r_xyhbond_nbd_refined	0.158
r_mcbond_other	0.157
r_symmetry_vdw_refined	0.097
r_nbtor_other	0.084
r_chiral_restr	0.071
r_metal_ion_refined	0.047
r_bond_refined_d	0.01
r_bond_other_d	0.008
r_gen_planes_refined	0.005
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1758
Nucleic Acid Atoms
Solvent Atoms	188
Heterogen Atoms	47

Software

Software
Software Name	Purpose
CCP4	model building
REFMAC	refinement
MAR345dtb	data collection
MOSFLM	data reduction
SCALA	data scaling
CCP4	phasing