3U16

Structure of BasE N-terminal domain from Acinetobacter baumannii bound to 6-(p-benzyloxy)phenyl-1-(pyridin-4-ylmethyl)-1H-pyrazolo[3,4-b]pyridine-4-carboxylic acid.

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	3O84

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.5	287	5-15% PEG 8000, 5% MPD, 250-600 MM CaCl2, 50 MM BTP, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 287K

Crystal Properties
Matthews coefficient	Solvent content
2.92	57.9

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 66.093	α = 90
b = 144.78	β = 90
c = 148.675	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	113	CCD	MARMOSAIC 325 mm CCD		2010-03-24	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRL BEAMLINE BL11-1	0.9795	SSRL	BL11-1

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	2.1	40	98	0.102	11.8		84673	82980	-3	-3	32.1

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	2.1	2.18	88.4		0.542

Refinement

Statistics
Diffraction ID	Structure Solution Method	Starting model	Resolution (High)	Resolution (Low)	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	FOURIER SYNTHESIS	3O84	2.1	39.65	1.34	84090	82408	4087	98.08	0.1866	0.1849	0.2188	Random

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]
10.6109			1.4534		-12.0643

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	18.337
f_angle_d	1.058
f_chiral_restr	0.069
f_bond_d	0.007
f_plane_restr	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	6774
Nucleic Acid Atoms
Solvent Atoms	511
Heterogen Atoms	88

Software

Software
Software Name	Purpose
PHENIX	refinement
REFMAC	refinement
Blu-Ice	data collection
HKL-2000	data reduction
HKL-2000	data scaling
REFMAC	phasing

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), 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 R01GM157729.