3O2T

Crystal structure of the N-terminal domain of human Symplekin

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	6.5	293	50mM Bis-Tris, 40mM ammonium sulfate, 40% (v/v) pentaerythritol ethoxylate, pH 6.5, VAPOR DIFFUSION, SITTING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
1.89	34.85

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 41.596	α = 90
b = 63.033	β = 90.59
c = 62.283	γ = 90

Symmetry
Space Group	P 1 21 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	MARMOSAIC 325 mm CCD	MIRRORS		M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRL BEAMLINE BL9-2		SSRL	BL9-2

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	1.4	30	98.6	0.029	40.3676	3.6		62696

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)
	1.4	1.45	90.9		0.492	1.697	2.5

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	SAD	THROUGHOUT	1.4	30	59384	3176	98.77	0.16034	0.15867	0.19247	RANDOM	17.503

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]
-0.45		-0.08	0.46

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	42.231
r_dihedral_angle_4_deg	15.67
r_dihedral_angle_3_deg	13.865
r_scangle_it	6.391
r_dihedral_angle_1_deg	4.417
r_scbond_it	4.291
r_mcangle_it	2.674
r_rigid_bond_restr	1.935
r_mcbond_it	1.632
r_angle_refined_deg	1.527
r_chiral_restr	0.215
r_bond_refined_d	0.015
r_gen_planes_refined	0.009
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2409
Nucleic Acid Atoms
Solvent Atoms	332
Heterogen Atoms	4

Software

Software
Software Name	Purpose
SnB	phasing
REFMAC	refinement
DENZO	data reduction
SCALEPACK	data scaling