3GC5

tRNA-guanine transglycosylase in complex with 6-amino-4-(2-aminoethyl)-2-(methylamino)-1,7-dihydro-8H-imidazo[4,5-g]quinazolin-8-one

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	5.5	288	100mM TRIS HCl, 1mM DTT, 10% DMSO, 5% PEG 8000, pH 5.5, VAPOR DIFFUSION, HANGING DROP, temperature 288K

Crystal Properties
Matthews coefficient	Solvent content
2.19	48.82

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 90.2	α = 90
b = 65	β = 96.2
c = 70.8	γ = 90

Symmetry
Space Group	C 1 2 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	RAYONIX MX225HE	Mirror	2009-02-06	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	BESSY BEAMLINE 14.1	0.91841	BESSY	14.1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	1.4	30	99.4	33.6	3.8	79791	79791

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.4	1.42	94.6		0.307	3.3	3.5

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	FOURIER SYNTHESIS	FREE R	1.4	10	76625	76625	3862	95.6	0.1632	0.1618		0.1921	RANDOM

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]

Coordinate Error
Structure Solution Method	Refinement High Resolution	Refinement Low Resolution
13	2760	3146

RMS Deviations
Key	Refinement Restraint Deviation
s_non_zero_chiral_vol	0.073
s_zero_chiral_vol	0.066
s_similar_adp_cmpnt	0.059
s_angle_d	0.029
s_anti_bump_dis_restr	0.027
s_from_restr_planes	0.0267
s_bond_d	0.011
s_similar_dist
s_rigid_bond_adp_cmpnt
s_approx_iso_adps

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2821
Nucleic Acid Atoms
Solvent Atoms	284
Heterogen Atoms	39

Software

Software
Software Name	Purpose
MxCuBE	data collection
CNS	refinement
SHELXL-97	refinement
HKL-2000	data reduction
HKL-2000	data scaling
CNS	phasing

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.