Experiment: 4CO1

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	10 MM ADP, 0.1 M NA HEPES PH 7.5, 25% PEG 1000, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 293K

Crystal Properties
Matthews coefficient	Solvent content
2.11	41.81

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 89.43	α = 90
b = 89.43	β = 90
c = 67.37	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 A TOROIDAL MIRROR	2009-05-03	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	1.5	30.9	88.5	0.1	12.1	5.32		32015		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	1.5	1.6	99.8		0.3	5.3	4.78

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	1.5	30.89	2.01	32014	1602	99.46	0.1463	0.139	0.1438	0.1712	0.1587	29.8

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]

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	14.591
f_angle_d	1.023
f_chiral_restr	0.059
f_bond_d	0.007
f_plane_restr	0.003

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1623
Nucleic Acid Atoms
Solvent Atoms	230
Heterogen Atoms	54

Software

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