Experiment: 2PZB

NAD+ Synthetase from Bacillus anthracis

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1EE1	Swiss Model of B. anthracis NAD+ synthetase derived from PDB ENTRY 1EE1

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7	277	10% PEG 8000, 0.505 M ammonium sulfate, 6% glycerol, 100 mM MgCl2, 0.05% n-octyl-BETA-D-glucopyranoside, 100 mM HEPES, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
3.47	64.56

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 84.419	α = 90
b = 84.553	β = 90
c = 245.385	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	93	IMAGE PLATE	MAR scanner 300 mm plate		2005-06-24	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 22-ID	1.000	APS	22-ID

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Sym 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	36.1	95	0.63	14.8	4.24	138893	131948	2	2	24.5

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.9	1.97	90.5		0.281	3.3	3.22	13773

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation 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 (All)	R-Factor (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	Swiss Model of B. anthracis NAD+ synthetase derived from PDB ENTRY 1EE1	1.9	36.1	2	131948	126120	12582	90.7	0.237	0.219	0.219	0.2187	0.237	0.2376	RANDOM	36.2

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]
0.73			-3.7		2.97

RMS Deviations
Key	Refinement Restraint Deviation
c_dihedral_angle_d	19.7
c_scangle_it	3.27
c_scbond_it	2.13
c_mcangle_it	2.12
c_mcbond_it	1.39
c_angle_deg	1.1
c_improper_angle_d	0.68
c_bond_d	0.006

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	7781
Nucleic Acid Atoms
Solvent Atoms	478
Heterogen Atoms	60

Software

Software
Software Name	Purpose
CNS	refinement
SERGUI	data collection
DENZO	data reduction
SCALEPACK	data scaling