1H3F

Tyrosyl-tRNA synthetase from Thermus thermophilus complexed with tyrosinol

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	Other		T. THERMOPHILUS TYROSYL-TRNA SYNTHETASE PREVIOUSLY DETERMINED BY SIRAS BY SAME AUTHORS

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		5.8		12MG/ML PROTEIN IN 1:1 RATIO WITH RESERVOIR SOLUTION CONTAINING 1.2M AMMONIUM SULPHATE, 50MM MES(PH5.8), 10MM MGCL2, 0.5MM DDT, pH 5.80

Crystal Properties
Matthews coefficient	Solvent content
2.7	54.6

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 67.794	α = 90
b = 111.05	β = 90
c = 141.226	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	MARRESEARCH		2000-10-15	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID14-1		ESRF	ID14-1

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	2	25	97.6	0.089	5.7	6.5		70951			17.3

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	2.05	84.5		0.306	2.3	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	MOLECULAR REPLACEMENT	THROUGHOUT	T. THERMOPHILUS TYROSYL-TRNA SYNTHETASE PREVIOUSLY DETERMINED BY SIRAS BY SAME AUTHORS	2	25	70950	3559	97.5	0.234	0.234	0.261	RANDOM	32.5

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]
-4.04			8.79		-4.75

RMS Deviations
Key	Refinement Restraint Deviation
c_dihedral_angle_d	21.6
c_scangle_it	5.25
c_scbond_it	3.73
c_mcangle_it	2.58
c_mcbond_it	1.69
c_angle_deg	1.2
c_improper_angle_d	0.85
c_bond_d	0.006
c_bond_d_na
c_bond_d_prot
c_angle_d
c_angle_d_na
c_angle_d_prot
c_angle_deg_na
c_angle_deg_prot
c_dihedral_angle_d_na
c_dihedral_angle_d_prot
c_improper_angle_d_na
c_improper_angle_d_prot

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	6474
Nucleic Acid Atoms
Solvent Atoms	254
Heterogen Atoms	49

Software

Software
Software Name	Purpose
CNS	refinement
MOSFLM	data reduction
SCALA	data scaling
MOLREP	phasing