5KZH

High Resolution Structure of Acinetobacter baumannii beta-lactamase OXA-51

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	5	298	3% w/v PGA-LM, 20% v/v PEG 500 MME, 0.1 M ammonium sulfate, 0.3 M sodium formate, and 0.1 M sodium acetate, pH 5.0

Crystal Properties
Matthews coefficient	Solvent content
3.05	59.73

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 88.549	α = 90
b = 91.48	β = 90
c = 169.938	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	100	CCD	MARMOSAIC 300 mm CCD		2014-12-13	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 21-ID-D	1.08	APS	21-ID-D

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	1.61	42.31	99.4	0.05	34.18	6.8		176472

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.61	1.65	100		0.748	0.783	2.51	6.7

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 (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	1.61	42.31	167336	8759	99.37	0.11779	0.11567	0.15796	RANDOM	23.379

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			-0.05		0.27

RMS Deviations
Key	Refinement Restraint Deviation
r_sphericity_free	47.888
r_dihedral_angle_2_deg	38.577
r_sphericity_bonded	21.526
r_dihedral_angle_3_deg	12.302
r_dihedral_angle_4_deg	10.506
r_rigid_bond_restr	7.221
r_long_range_B_refined	6.848
r_long_range_B_other	6.846
r_scangle_other	6.245
r_dihedral_angle_1_deg	5.781
r_scbond_it	5.541
r_scbond_other	5.541
r_mcangle_it	4.213
r_mcangle_other	4.213
r_mcbond_it	3.747
r_mcbond_other	3.729
r_angle_refined_deg	1.619
r_angle_other_deg	1.01
r_chiral_restr	0.121
r_gen_planes_refined	0.015
r_bond_refined_d	0.014
r_gen_planes_other	0.006
r_bond_other_d	0.001
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_scangle_it

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	7549
Nucleic Acid Atoms
Solvent Atoms	1124
Heterogen Atoms	41

Software

Software
Software Name	Purpose
REFMAC	refinement
HKL-2000	data collection
HKL-2000	data scaling
PHASER	phasing