5K0T

Crystal structure of methionyl-tRNA synthetase MetRS from Brucella melitensis in complex with inhibitor Chem 1415

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	5	290	BrabA.10201.a.A1.PW37326 at 21.4 mg/ml was mixed 1:1 with PACT(c2): 100 mM PCB buffer, pH=5.0, 25% (w/v) PEG-1500, cryoprotected with 20% ethylene glycol

Crystal Properties
Matthews coefficient	Solvent content
2.39	48.61

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 45.16	α = 110.46
b = 99.65	β = 88.09
c = 104.3	γ = 99.72

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	MARMOSAIC 225 mm CCD	Beryllium Lenses	2014-01-29	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 21-ID-F	0.97872	APS	21-ID-F

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	CC (Half)	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	2.6	50	96	0.075	0.994	10.12	2.4		49660		-3	47.423

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	2.6	2.67	97.5		0.47	2.07	2.4

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	FOURIER SYNTHESIS	THROUGHOUT	4LNE	2.6	50	47243	2416	96.13	0.258	0.2565	0.286	RANDOM	49.76

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]
-2.72	0.86	0.37	1.01	1.78	-0.04

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.531
r_dihedral_angle_4_deg	17.911
r_dihedral_angle_3_deg	13.608
r_dihedral_angle_1_deg	5.313
r_angle_refined_deg	1.183
r_angle_other_deg	1.127
r_mcangle_it	0.683
r_mcbond_it	0.37
r_mcbond_other	0.37
r_chiral_restr	0.06

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.531
r_dihedral_angle_4_deg	17.911
r_dihedral_angle_3_deg	13.608
r_dihedral_angle_1_deg	5.313
r_angle_refined_deg	1.183
r_angle_other_deg	1.127
r_mcangle_it	0.683
r_mcbond_it	0.37
r_mcbond_other	0.37
r_chiral_restr	0.06
r_bond_refined_d	0.008
r_gen_planes_refined	0.004
r_bond_other_d	0.003
r_gen_planes_other	0.002

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	11165
Nucleic Acid Atoms
Solvent Atoms	169
Heterogen Atoms	104

Software

Software
Software Name	Purpose
XSCALE	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
XDS	data reduction

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.