6Y4A

Crystal structure of the M295I variant of Ssl1

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP		293	50 mM HEPES, pH 7.0, 1.4 M ammonium sulfate, 10 mM [Co(NH3)6]Cl3

Crystal Properties
Matthews coefficient	Solvent content
2.45	49.79

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 51.38	α = 90
b = 104.32	β = 90
c = 162.33	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	PIXEL	DECTRIS PILATUS 6M		2019-04-01	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	PETRA III, DESY BEAMLINE P11	1.0332	PETRA III, DESY	P11

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	CC (Half)	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	1.785	50	99.8	0.996	7.64	1.9		159870

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.785	1.89	99		0.521

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 (All)	R-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	NONE	4M3H	1.785	48.079	83649	4262	99.779	0.188	0.1856	0.2276	27.672

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]
-2.409			-0.495		2.904

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	28.928
r_dihedral_angle_4_deg	15.487
r_dihedral_angle_3_deg	13.934
r_dihedral_angle_1_deg	7.804
r_lrange_it	6.177
r_lrange_other	6.09
r_scangle_it	3.79
r_scangle_other	3.789
r_mcangle_it	3.093
r_mcangle_other	3.093
r_scbond_it	2.531
r_scbond_other	2.531
r_mcbond_it	2.125
r_mcbond_other	2.123
r_angle_refined_deg	1.559
r_angle_other_deg	1.365
r_nbd_refined	0.198
r_symmetry_nbd_refined	0.195
r_symmetry_nbd_other	0.193
r_nbd_other	0.192
r_symmetry_xyhbond_nbd_other	0.191
r_symmetry_xyhbond_nbd_refined	0.174
r_nbtor_refined	0.164
r_xyhbond_nbd_refined	0.156
r_symmetry_nbtor_other	0.078
r_chiral_restr	0.07
r_metal_ion_refined	0.051
r_bond_refined_d	0.009
r_gen_planes_refined	0.008
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	6253
Nucleic Acid Atoms
Solvent Atoms	641
Heterogen Atoms	9

Software

Software
Software Name	Purpose
REFMAC	refinement
XDS	data reduction
Aimless	data scaling
PHASER	phasing