Experiment: 3SZG

Crystal structure of C176A glutamine-dependent NAD+ synthetase from M. tuberculosis bound to AMP/PPi and NaAD+

X-RAY DIFFRACTION

Starting Model(s)

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

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	EVAPORATION		288	1.6 M K2HPO4, 100 mM NaH2PO4, EVAPORATION, temperature 288K

Crystal Properties
Matthews coefficient	Solvent content
2.85	56.78

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 177.94	α = 90
b = 177.94	β = 90
c = 214.94	γ = 90

Symmetry
Space Group	P 41 21 2

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	CCD	MARMOSAIC 325 mm CCD		2011-02-14	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRL BEAMLINE BL9-2	0.98	SSRL	BL9-2

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	2.25	39.124	99.4	0.187	10.8	7.9		161605

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	2.25	2.31	93.6		0.823	2.84	6.8

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-Free (Depositor)	R-Free (DCC)	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	PDB ENTRY 3DLA	2.25	39.124	1.36	161514	8064	99.32	0.1937	0.1917	0.2294	0.2076

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]
-17.9481			-17.9481		35.8962

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	16.576
f_angle_d	1.735
f_chiral_restr	0.107
f_bond_d	0.018
f_plane_restr	0.008

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	20314
Nucleic Acid Atoms
Solvent Atoms	745
Heterogen Atoms	322

Software

Software
Software Name	Purpose
HKL-2000	data collection
PHASER	phasing
PHENIX	refinement
XDS	data reduction
XDS	data scaling