4CKN

Structure of an N-terminal fragment of Leishmania SAS-6 containing parts of its coiled coil domain, F257E mutant

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		5.85		100 MM NACITRATE PH 5.85, 21% (W/V) PEG-3000

Crystal Properties
Matthews coefficient	Solvent content
2.89	57.52

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 108.855	α = 90
b = 81.253	β = 91.5
c = 133.149	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	PIXEL	DECTRIS PILATUS 6M		2013-05-05	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID29		ESRF	ID29

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	2.9	46.91	99.9	0.15	10.6	7.2		25904		0.9

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	2.9	3.08	99.9		0.9	7.1

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	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 4CKM	2.9	133.1	24090	1279	97.77	0.23775	0.23673	0.25597	RANDOM	92.751

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]
-3.22		-4.49	-1.04		4.49

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	31.504
r_dihedral_angle_4_deg	16.215
r_dihedral_angle_3_deg	15.634
r_scangle_it	7.562
r_mcangle_it	7.418
r_dihedral_angle_1_deg	5.652
r_scbond_it	4.565
r_mcbond_it	4.477
r_mcbond_other	4.474
r_angle_refined_deg	1.255
r_angle_other_deg	1.172
r_symmetry_hbond_refined	0.429
r_symmetry_vdw_other	0.262
r_nbd_refined	0.235
r_nbd_other	0.184
r_nbtor_refined	0.184
r_symmetry_vdw_refined	0.184
r_xyhbond_nbd_refined	0.132
r_xyhbond_nbd_other	0.11
r_nbtor_other	0.088
r_chiral_restr	0.064
r_bond_refined_d	0.008
r_bond_other_d	0.005
r_gen_planes_refined	0.005
r_gen_planes_other	0.004
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_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	5653
Nucleic Acid Atoms
Solvent Atoms
Heterogen Atoms

Software

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