2XVS

Crystal structure of human TTC5 (Strap) C-terminal OB domain

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		8.5		0.18M SODIUM IODIDE, 0.02M SODIUM ACETATE, 20% PEG3350, 10% ETHYLENE GLYCOL, 0.45% DMSO, 0.1M BIS-TRIS-PROPANE PH8.5

Crystal Properties
Matthews coefficient	Solvent content
2.05	40

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 30.26	α = 90
b = 62.39	β = 90
c = 78.77	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		2008-11-06	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SLS BEAMLINE X10SA		SLS	X10SA

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	1.8	33.3	98.6	0.1	8.7	3.5		14246			14.5

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	1.8	1.9	91		0.5	2.1	2.9

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	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	1.8	78.77	13521	723	98.34	0.1755	0.17242	0.23638	RANDOM	18.906

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]
-0.55			0.02		0.53

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	32.11
r_dihedral_angle_4_deg	21.447
r_sphericity_free	16.483
r_dihedral_angle_3_deg	12.901
r_scangle_it	8.361
r_scbond_it	7.007
r_dihedral_angle_1_deg	5.944
r_mcangle_it	4.438
r_mcbond_it	3.239
r_angle_other_deg	2.009
r_angle_refined_deg	1.524
r_mcbond_other	0.974
r_symmetry_hbond_refined	0.228
r_nbd_refined	0.211
r_symmetry_vdw_other	0.189
r_nbd_other	0.185
r_nbtor_refined	0.167
r_symmetry_vdw_refined	0.16
r_xyhbond_nbd_refined	0.154
r_nbtor_other	0.093
r_chiral_restr	0.085
r_bond_refined_d	0.016
r_gen_planes_refined	0.007
r_bond_other_d	0.002
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_mcangle_other
r_scbond_other
r_scangle_other
r_long_range_B_refined
r_long_range_B_other
r_rigid_bond_restr
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1237
Nucleic Acid Atoms
Solvent Atoms	116
Heterogen Atoms	8

Software

Software
Software Name	Purpose
REFMAC	refinement
MOSFLM	data reduction
SCALA	data scaling
PHASER	phasing