3N9I

Crystal structure of tryptophanyl-tRNA synthetase from Yersinia pestis CO92

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7	291	0.2 M Ca(oAc)2 0.1 M Tris 20% PEG3000, pH 7.0, VAPOR DIFFUSION, SITTING DROP, temperature 291K

Crystal Properties
Matthews coefficient	Solvent content
2.35	47.57

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 61.099	α = 90
b = 78.15	β = 90
c = 152.176	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	100	CCD	ADSC QUANTUM 315r	mirrors	2010-04-09	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 19-ID	0.9794	APS	19-ID

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	40	99.2	0.077	9.3	5.4	55745	53290	2	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	98.4		0.65	2.8	5.3	2581

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (I)	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	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	3FI0	1.95	40	2	2	53040	50347	2693	98.66	0.18	0.16905	0.16707	0.20615	RANDOM	22.724

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			0.75		-0.47

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.311
r_dihedral_angle_4_deg	18.84
r_dihedral_angle_3_deg	13.712
r_dihedral_angle_1_deg	5.276
r_scangle_it	4.459
r_scbond_it	2.691
r_mcangle_it	1.661
r_angle_refined_deg	1.42
r_angle_other_deg	0.907
r_mcbond_it	0.893
r_mcbond_other	0.235
r_chiral_restr	0.097
r_bond_refined_d	0.016
r_gen_planes_refined	0.006
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	5209
Nucleic Acid Atoms
Solvent Atoms	445
Heterogen Atoms	7

Software

Software
Software Name	Purpose
SBC-Collect	data collection
PHASER	phasing
REFMAC	refinement
HKL-3000	data reduction
HKL-3000	data scaling