4IKO

Structure of Peptidyl- tRNA Hydrolase from Acinetobacter baumannii at 1.90 A resolution

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.5	298	0.2M HEPES buffer, 25% PEG 10000, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.62	53.07

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 34.56	α = 90
b = 58.22	β = 90
c = 109.25	γ = 90

Symmetry
Space Group	P 21 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	77	CCD	MARRESEARCH	MIRROR	2012-05-05	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE BM14	0.97	ESRF	BM14

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	1.9	58.22	99.8	0.1	16.5		18051	18051

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)
1	1.9	2	99.6		0.537	4.2

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	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	2PTH	1.9	58.22	18051	17095	919	99.55	0.16932	0.16736	0.15551	0.19226	RANDOM	23.587

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]
-1.46			1.92		-0.46

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	32.602
r_dihedral_angle_3_deg	15.08
r_dihedral_angle_4_deg	13.469
r_scangle_it	5.968
r_dihedral_angle_1_deg	5.938
r_scbond_it	3.883
r_mcangle_it	2.465
r_angle_refined_deg	1.822
r_mcbond_it	1.503
r_chiral_restr	0.193

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	32.602
r_dihedral_angle_3_deg	15.08
r_dihedral_angle_4_deg	13.469
r_scangle_it	5.968
r_dihedral_angle_1_deg	5.938
r_scbond_it	3.883
r_mcangle_it	2.465
r_angle_refined_deg	1.822
r_mcbond_it	1.503
r_chiral_restr	0.193
r_bond_refined_d	0.016
r_gen_planes_refined	0.013

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1476
Nucleic Acid Atoms
Solvent Atoms	206
Heterogen Atoms	44

Software

Software
Software Name	Purpose
HKL-2000	data collection
AMoRE	phasing
REFMAC	refinement
DENZO	data reduction
SCALEPACK	data scaling

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.