6IWV

Crystal structure of a single strand DNA binding protein

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.3	293	0.1 M Bis-Tris pH 6.3, 1.9 M Ammonium sulfate

Crystal Properties
Matthews coefficient	Solvent content
2.64	53.41

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 116.906	α = 90
b = 116.906	β = 90
c = 42.355	γ = 120

Symmetry
Space Group	P 63 2 2

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	77	CCD	ADSC QUANTUM 315r		2017-12-01	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALS BEAMLINE 8.2.1	1	ALS	8.2.1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	Rpim I (All)	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	1.52	20	99.09	0.015	1	94.73	22.8		26784

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Rpim I (All)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.52	1.55			0.728	0.626

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	1.52	20	25214	1293	99.09	0.14733	0.14568	0.18055	RANDOM	37.964

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]
0.37	0.19		0.37		-1.22

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.651
r_sphericity_free	29.018
r_dihedral_angle_3_deg	14.002
r_dihedral_angle_4_deg	13.679
r_sphericity_bonded	13.655
r_long_range_B_refined	5.339
r_long_range_B_other	5.082
r_scangle_other	4.701
r_dihedral_angle_1_deg	4.689
r_scbond_it	4.199
r_scbond_other	4.188
r_mcangle_other	3.649
r_mcangle_it	3.645
r_rigid_bond_restr	3.41
r_mcbond_it	3.038
r_mcbond_other	3.024
r_angle_refined_deg	1.247
r_angle_other_deg	0.927
r_chiral_restr	0.092
r_bond_refined_d	0.01
r_gen_planes_refined	0.006
r_bond_other_d	0.002
r_gen_planes_other	0.001
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	1056
Nucleic Acid Atoms
Solvent Atoms	121
Heterogen Atoms

Software

Software
Software Name	Purpose
REFMAC	refinement
HKL-3000	data collection
HKL-3000	data scaling
AutoSol	phasing
HKL-3000	data reduction