8I1Y

The structure of E. coli TrpRS bound with a chemical fragment

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP		290	0.16M Ammonium sulfate, 0.1M HEPES pH 7.5, 25% PEG 3350

Crystal Properties
Matthews coefficient	Solvent content
2.43	49.36

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 61.69	α = 90
b = 79.97	β = 105.79
c = 78.54	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	PIXEL	DECTRIS EIGER X 16M		2022-12-09	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRF BEAMLINE BL02U1	0.9792	SSRF	BL02U1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	Rpim I (All)	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	1.78	50	99.8	0.05	0.055	0.022	0.999	18.4	6		70259

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	Rpim I (All)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.78	1.82		98.6	0.646	0.744	0.361	0.852		4.1

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	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	1.78	50	66833	3404	99.8	0.19148	0.18982	0.22428	RANDOM	29.447

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]
-2.85		0.34	3.47		-0.7

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.232
r_dihedral_angle_4_deg	16.071
r_dihedral_angle_3_deg	11.286
r_dihedral_angle_1_deg	5.67
r_long_range_B_refined	3.857
r_long_range_B_other	3.683
r_scangle_other	2.395
r_mcangle_it	1.912
r_mcangle_other	1.909
r_scbond_it	1.514
r_scbond_other	1.506
r_angle_other_deg	1.415
r_mcbond_it	1.233
r_mcbond_other	1.233
r_angle_refined_deg	1.217
r_chiral_restr	0.064
r_gen_planes_refined	0.005
r_bond_refined_d	0.004
r_bond_other_d	0.002
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_scangle_it
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	5087
Nucleic Acid Atoms
Solvent Atoms	485
Heterogen Atoms	72

Software

Software
Software Name	Purpose
Aimless	data scaling
REFMAC	refinement
XDS	data reduction
MOLREP	phasing