2V7R | pdb_00002v7r

Crystal structure of a human tRNAGly microhelix at 1.2 Angstrom resolution

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1				40 MM SODIUM CACODYLATE, PH 6.0, 12 MM SPERMINE TETRA-HCL, 12 MM SODIUM CHLORIDE, 80 MM POTASSIUM CHLORIDE, 10% (V/V) MPD, EQUILIBRATED AGAINST 35% (V/V) MPD AT ROOM TEMPERATURE

Crystal Properties
Matthews coefficient	Solvent content
2.33	59.4

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 37.12	α = 90
b = 37.491	β = 113.02
c = 30.379	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	MARRESEARCH			M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	EMBL/DESY, HAMBURG BEAMLINE X13		EMBL/DESY, HAMBURG	X13

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	1.2	50	95.3	0.05	18.1	7.2		11547		2

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	1.2	1.22	93.7		0.24		7.6

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 (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	1.2	14.08	10934	568	95.4	0.188	0.187	0.19	0.208	0.18	RANDOM	14.82

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]
-0.01		-0.05	-0.03

RMS Deviations
Key	Refinement Restraint Deviation
r_scangle_it	2.604
r_scbond_it	2.395
r_angle_refined_deg	1.712
r_nbtor_refined	0.274
r_nbd_refined	0.165
r_symmetry_hbond_refined	0.146
r_xyhbond_nbd_refined	0.121
r_symmetry_vdw_refined	0.113
r_chiral_restr	0.062
r_gen_planes_refined	0.014
r_bond_refined_d	0.01
r_bond_other_d
r_angle_other_deg
r_dihedral_angle_1_deg
r_dihedral_angle_2_deg
r_dihedral_angle_3_deg
r_dihedral_angle_4_deg
r_gen_planes_other
r_nbd_other
r_nbtor_other
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_it
r_mcbond_other
r_mcangle_it
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
Nucleic Acid Atoms	293
Solvent Atoms	85
Heterogen Atoms

Software

Software
Software Name	Purpose
REFMAC	refinement