6BLB

1.88 Angstrom Resolution Crystal Structure Holliday Junction ATP-dependent DNA Helicase (RuvB) from Pseudomonas aeruginosa in Complex with ADP

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1IN4	PDB entry 1IN4

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7	295	8.6 mg/mL protein in 0.5 M sodium chloride, 0.01 M Tris, pH 8.3, screen: Classics II (D3), 0.1 M HEPES, pH 7.0, 30% v/v Jeffamine ED-2001

Crystal Properties
Matthews coefficient	Solvent content
2.04	39.7

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 85.537	α = 90
b = 85.537	β = 90
c = 77.103	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	MARMOSAIC 300 mm CCD	C(111)	2017-06-20	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 21-ID-G	0.97856	APS	21-ID-G

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	R Sym I (Observed)	Rrim I (All)	Rpim I (All)	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	1.88	30	100	0.076	0.076	0.081	0.028	26.9	8.4		26154		-3	26.8

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Rrim I (All)	Rpim I (All)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.88	1.91	100		0.797	0.797	0.849	0.291	0.811	2.9	8.3

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	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB entry 1IN4	1.88	28.64	24830	1295	99.94	0.17452	0.17247	0.21307	RANDOM	32.916

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]
0.03	0.01		0.03		-0.09

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	27.499
r_dihedral_angle_4_deg	12.19
r_dihedral_angle_3_deg	11.697
r_long_range_B_refined	5.279
r_long_range_B_other	5.137
r_scangle_other	3.008
r_dihedral_angle_1_deg	2.964
r_mcangle_it	1.852
r_mcangle_other	1.851
r_scbond_it	1.847
r_scbond_other	1.846
r_angle_refined_deg	1.369
r_mcbond_it	1.209
r_mcbond_other	1.208
r_angle_other_deg	0.868
r_chiral_restr	0.081
r_gen_planes_refined	0.022
r_gen_planes_other	0.018
r_bond_refined_d	0.009
r_bond_other_d	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
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2430
Nucleic Acid Atoms
Solvent Atoms	191
Heterogen Atoms	37

Software

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