7ZMR

Crystal structure of human RECQL5 helicase APO form in complex with engineered nanobody (Gluebody) G2*-011

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7.5	293	0.2M lithium sulfate -- 25% PEG3350 -- 0.1M HEPES pH 7.5

Crystal Properties
Matthews coefficient	Solvent content
3.96	68.91

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 114.89	α = 90
b = 198.954	β = 90
c = 172.926	γ = 90

Symmetry
Space Group	C 2 2 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 PILATUS3 6M		2020-01-17	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	DIAMOND BEAMLINE I04-1	0.9119	Diamond	I04-1

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	3.04	99.54	100	0.9	3.4	6.6		38564

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	3.04	3.09			0.2

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	FREE R-VALUE	5LB5	3.3	99.493	30125	1461	99.861	0.245	0.2431	0.292	75.806

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]
0.017			0.069		-0.086

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	27.725
r_dihedral_angle_3_deg	18.878
r_dihedral_angle_4_deg	17.298
r_lrange_other	14.463
r_lrange_it	14.462
r_mcangle_it	8.001
r_mcangle_other	8
r_scangle_it	7.834
r_scangle_other	7.806
r_dihedral_angle_1_deg	7.496
r_mcbond_it	4.89
r_mcbond_other	4.89
r_scbond_it	4.657
r_scbond_other	4.638
r_angle_refined_deg	1.589
r_angle_other_deg	1.313
r_symmetry_xyhbond_nbd_refined	0.322
r_symmetry_nbd_refined	0.283
r_nbd_other	0.267
r_nbd_refined	0.218
r_symmetry_nbd_other	0.211
r_nbtor_refined	0.167
r_xyhbond_nbd_refined	0.131
r_ncsr_local_group_1	0.106
r_ncsr_local_group_2	0.1
r_symmetry_nbtor_other	0.085
r_chiral_restr	0.065
r_symmetry_xyhbond_nbd_other	0.034
r_xyhbond_nbd_other	0.033
r_bond_refined_d	0.006
r_gen_planes_refined	0.006
r_bond_other_d	0.003
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	8695
Nucleic Acid Atoms
Solvent Atoms	59
Heterogen Atoms	25

Software

Software
Software Name	Purpose
REFMAC	refinement
xia2	data reduction
Aimless	data scaling
PHASER	phasing