3PNV

V369M mutant of Glutamyl-tRNA synthetase from Mycobacterium tuberculosis

X-RAY DIFFRACTION

---

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7	291	200mM Ammonium Acetate, 15% (W/V)PEG4000, pH 7.0, VAPOR DIFFUSION, SITTING DROP, temperature 291K

Crystal Properties
Matthews coefficient	Solvent content
2.35	47.63

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 43.434	α = 90
b = 210.346	β = 99.35
c = 57.979	γ = 90

Symmetry
Space Group	P 1 21 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	MAR CCD 165 mm	MIRROR	2009-06-15	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	MPG/DESY, HAMBURG BEAMLINE BW6	1.05	MPG/DESY, HAMBURG	BW6

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	1.95	20	96.9	0.052	20.2	3.1	72028	69795		2	28.2

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	1.95	1.98	98.5		0.529	2.1	3.1	3631

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 (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	2ja2	1.95	10.41	70104	67945	3603	96.92	0.27464	0.27242	0.31578	RANDOM	32.515

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]
2.25		-3.28	-2.13		-1.18

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.36
r_dihedral_angle_4_deg	18.959
r_dihedral_angle_3_deg	17.232
r_dihedral_angle_1_deg	5.735
r_scangle_it	2.408
r_scbond_it	1.611
r_angle_refined_deg	1.301
r_mcangle_it	1.173
r_mcbond_it	0.697
r_nbtor_refined	0.301
r_nbd_refined	0.216
r_symmetry_vdw_refined	0.199
r_xyhbond_nbd_refined	0.198
r_symmetry_hbond_refined	0.155
r_chiral_restr	0.088
r_bond_refined_d	0.011
r_gen_planes_refined	0.004

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	7517
Nucleic Acid Atoms
Solvent Atoms	170
Heterogen Atoms

Software

Software
Software Name	Purpose
MAR345	data collection
MOLREP	phasing
REFMAC	refinement
DENZO	data reduction
SCALEPACK	data scaling