3L0G

Crystal structure of Nicotinate-nucleotide pyrophosphorylase from Ehrlichia chaffeensis at 2.05A resolution

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	3GNN	pdb deposition 3GNN modified with CCP4 program CHAINSAW

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP		290	MD PACT SCREEN E6: 20% PEG 3350, 200MM NA-FORMATE; EHCHA.01074.A AT 29MG/ML, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 290K

Crystal Properties
Matthews coefficient	Solvent content
2.31	46.71

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 60.53	α = 113.01
b = 77.32	β = 91.82
c = 78.32	γ = 111.68

Symmetry
Space Group	P 1

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	ADSC QUANTUM 210r		2009-11-07	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALS BEAMLINE 5.0.1	0.9774	ALS	5.0.1

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	2.05	50	96.6	0.087	10.27	2.3	74747	72223		-3	24.47

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	2.05	2.1	95.4		0.42	2.4	2.3	5510

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	pdb deposition 3GNN modified with CCP4 program CHAINSAW	2.05	50	74747	72216	3640	96.8	0.177	0.177	0.174	0.226	RANDOM	9.69

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]
0.28	-0.2	-0.05	-0.43	-0.26	-0.21

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.917
r_dihedral_angle_4_deg	19.633
r_dihedral_angle_3_deg	13.669
r_dihedral_angle_1_deg	6.009
r_scangle_it	3.503
r_scbond_it	2.193
r_angle_refined_deg	1.454
r_mcangle_it	1.342
r_angle_other_deg	0.964
r_mcbond_it	0.732
r_mcbond_other	0.186
r_chiral_restr	0.093
r_bond_refined_d	0.015
r_gen_planes_refined	0.005
r_bond_other_d	0.001
r_gen_planes_other	0.001
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	8303
Nucleic Acid Atoms
Solvent Atoms	853
Heterogen Atoms	28

Software

Software
Software Name	Purpose
BOS	data collection
PHASER	phasing
REFMAC	refinement
XDS	data reduction
XSCALE	data scaling