2V0C

LEUCYL-TRNA SYNTHETASE FROM THERMUS THERMOPHILUS COMPLEXED WITH A SULPHAMOYL ANALOGUE OF LEUCYL-ADENYLATE In the synthetic site and an adduct of AMP with 5-Fluoro-1,3-dihydro-1-hydroxy-2,1-benzoxaborole (AN2690) in the editing site

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1H3N	PDB ENTRY 1H3N

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1				PROTEIN 10 MG/ML IN 50MM BIS-TRIS PROPANE BUFFER PH 6.0-6.5 2MM DTT, 20MM MGCL2, 1MM NAN3, 18% AMMONIUM SULPHATE EQUILBRIATED AGAINST 30-38% AMMONIUM SULPHATE IN 100MM BIS-TRIS PROPANE BUFFER PH 6.0-6.5.

Crystal Properties
Matthews coefficient	Solvent content
3.5	64.4

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 101.83	α = 90
b = 154.23	β = 90
c = 174.95	γ = 90

Symmetry
Space Group	C 2 2 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 CCD		2006-03-20	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID14-4		ESRF	ID14-4

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	99.3	0.06	13.86	4.1		472672

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	1.9	91.2		0.55	2.42	3.7

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	PDB ENTRY 1H3N	1.85	87.37	112717	3477	99.5	0.181	0.18	0.202	RANDOM	21.12

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]
-0.16			0.85		-0.69

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	31.152
r_dihedral_angle_4_deg	19.74
r_dihedral_angle_3_deg	12.839
r_dihedral_angle_1_deg	6.04
r_scangle_it	3.369
r_scbond_it	2.341
r_angle_refined_deg	1.494
r_mcangle_it	1.375
r_mcbond_it	1.295
r_angle_other_deg	0.94
r_symmetry_vdw_other	0.34
r_nbd_refined	0.211
r_nbd_other	0.197
r_nbtor_refined	0.181
r_symmetry_hbond_refined	0.17
r_symmetry_vdw_refined	0.169
r_xyhbond_nbd_refined	0.152
r_chiral_restr	0.106
r_nbtor_other	0.085
r_bond_refined_d	0.014
r_gen_planes_refined	0.006
r_bond_other_d	0.001
r_gen_planes_other	0.001
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_mcangle_other
r_scbond_other
r_scangle_other
r_long_range_B_refined
r_long_range_B_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	6608
Nucleic Acid Atoms
Solvent Atoms	684
Heterogen Atoms	91

Software

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