3G1Z

Structure of IDP01693/yjeA, a potential t-RNA synthetase from Salmonella typhimurium

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.5	295	1.6 M Sodium/Potassium dihydrogen phosphate, 0.1 M HEPES, pH 7.5, 0.5 mM ATP and 0.3 mM MgCl2, cryoprotected in N-Paratone oil , VAPOR DIFFUSION, HANGING DROP, temperature 295K

Crystal Properties
Matthews coefficient	Solvent content
2.24	45.06

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 69.901	α = 90
b = 68.905	β = 110.31
c = 73.27	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	IMAGE PLATE	RIGAKU RAXIS IV++	mirrors	2008-09-26	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU MICROMAX-007	1.54178

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	1.85	50	96.1	0.146	20.05	4	56264	54044			22.8

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	1.85	1.92	85.8		0.561	3.82	4.1	4784

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	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	Swiss-model (http://swissmodel.expasy.org/SWISS-MODEL.html) model using the input protein sequence	1.95	47.51	43960	2339	97.02	0.1841	0.18112	0.2392	RANDOM	25.664

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]
-0.05		-0.01			0.04

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	38.913
r_dihedral_angle_4_deg	17.112
r_dihedral_angle_3_deg	15.588
r_dihedral_angle_1_deg	5.984
r_scangle_it	3
r_scbond_it	1.995
r_angle_refined_deg	1.436
r_mcangle_it	1.167
r_mcbond_it	0.724
r_nbtor_refined	0.301
r_nbd_refined	0.205
r_symmetry_hbond_refined	0.164
r_xyhbond_nbd_refined	0.16
r_symmetry_vdw_refined	0.147
r_chiral_restr	0.1
r_bond_refined_d	0.013
r_gen_planes_refined	0.006
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_other
r_nbtor_other
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	5012
Nucleic Acid Atoms
Solvent Atoms	645
Heterogen Atoms	77

Software

Software
Software Name	Purpose
CrystalClear	data collection
PHASER	phasing
REFMAC	refinement
HKL-2000	data reduction
HKL-2000	data scaling