3SZ3 | pdb_00003sz3

Crystal structure of Tryptophanyl-tRNA synthetase from Vibrio cholerae with an endogenous tryptophan

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	3N9I

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION	7		60% Tascimate, pH 7, vapor diffusion

Crystal Properties
Matthews coefficient	Solvent content
2.23	44.77

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 76.02	α = 90
b = 94.047	β = 90
c = 47.036	γ = 90

Symmetry
Space Group	P 21 21 2

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 210r	MIRRORS	2010-11-11		SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 19-BM	0.97903	APS	19-BM

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	1.5	40	99.6	0.041	19.2	6.7		54037

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	1.5	1.53	98.5		0.403		5.9	2646

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 (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	3N9I	1.5	26.09	53996	2745	99.17	0.1606	0.1596	0.174	0.179	0.1946	RANDOM	22.8065

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]
-0.82			-0.26		1.08

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.97
r_dihedral_angle_4_deg	18.368
r_dihedral_angle_3_deg	12.268
r_dihedral_angle_1_deg	5.426
r_scangle_it	3.372
r_scbond_it	2.105
r_angle_refined_deg	1.458
r_mcangle_it	1.407
r_angle_other_deg	0.909
r_mcbond_it	0.806
r_mcbond_other	0.216
r_chiral_restr	0.085
r_bond_refined_d	0.012
r_gen_planes_refined	0.007
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2621
Nucleic Acid Atoms
Solvent Atoms	431
Heterogen Atoms	17

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
HKL-3000	data collection
HKL-3000	data reduction
HKL-3000	data scaling
MOLREP	phasing