4XTB

Crystal structure of the N-terminal domain of the human mitochondrial calcium uniporter

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	4XSJ

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8	293	1.55 M lithium sulphate 0.1 M Bis-Tris propane (pH 8.0)

Crystal Properties
Matthews coefficient	Solvent content
2.17	43.37

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 55.463	α = 90
b = 55.463	β = 90
c = 68.929	γ = 120

Symmetry
Space Group	P 65

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 270		2014-04-12	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	PAL/PLS BEAMLINE 7A (6B, 6C1)	0.9793	PAL/PLS	7A (6B, 6C1)

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	1.37	100	99.4	14.3	5		23888

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.37	1.39	99.6		1.3

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	4XSJ	1.5	48.03	17594	947	96.3	0.14152	0.13959	0.14	0.17626	0.17	RANDOM	20.218

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			0.01		-0.02

RMS Deviations
Key	Refinement Restraint Deviation
r_sphericity_free	43.252
r_dihedral_angle_2_deg	24.472
r_dihedral_angle_4_deg	14.782
r_dihedral_angle_3_deg	10.794
r_sphericity_bonded	10.532
r_dihedral_angle_1_deg	5.951
r_long_range_B_refined	4.775
r_long_range_B_other	4.299
r_scangle_other	3
r_scbond_other	2.467
r_scbond_it	2.448
r_mcangle_other	2.318
r_mcangle_it	2.315
r_mcbond_it	1.672
r_mcbond_other	1.66
r_angle_refined_deg	1.636
r_rigid_bond_restr	1.322
r_angle_other_deg	0.949
r_chiral_restr	0.088
r_bond_refined_d	0.01
r_gen_planes_refined	0.006
r_bond_other_d	0.003
r_gen_planes_other	0.002
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_scangle_it

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	863
Nucleic Acid Atoms
Solvent Atoms	143
Heterogen Atoms	13

Software

Software
Software Name	Purpose
REFMAC	refinement
HKL-2000	data processing
Coot	model building