Experiment: 4CO0

Structure of PII signaling protein GlnZ from Azospirillum brasilense in complex with adenosine diphosphate

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	4CNY	PDB ENTRY 4CNY

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7.5	293	1 MM MNCL2, 5MM 2OG, 5 MMATP, 0.2 M K/NA TARTRATE, 200% PEG 3350, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 293K, pH 7.5

Crystal Properties
Matthews coefficient	Solvent content
1.91	35.73

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 86.55	α = 90
b = 86.55	β = 90
c = 65.13	γ = 120

Symmetry
Space Group	H 3

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	PIXEL	DECTRIS PILATUS 6M	VERTICALLY COLLIMATING MIRROR FOLLOWED BY A BARTELS MONOCHROMATOR AND TOROIDAL MIRROR	2009-06-24	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SLS BEAMLINE X06DA		SLS	X06DA

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	1.4	29.87	98	0.08	12.8	5.4		35124		2

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	1.4	1.5	99.8		0.52	3.2	5.33

Refinement

Statistics
Diffraction ID	Structure Solution Method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	PDB ENTRY 4CNY	1.4	29.868	1.99	35124	1757	97.99	0.2122	0.2105	0.2095	0.2453	0.2466	23.09

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]
-0.4369			-0.4369		0.8739

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	16.881
f_angle_d	1.178
f_chiral_restr	0.072
f_bond_d	0.005
f_plane_restr	0.004

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1596
Nucleic Acid Atoms
Solvent Atoms	271
Heterogen Atoms	64

Software

Software
Software Name	Purpose
PHENIX	refinement
XDS	data reduction
XSCALE	data scaling
PHASER	phasing