8A67

Branched Lys48- and Lys63-linked tri-ubiquitin (K48-K63-Ub3) in complex with matured synthetic nanobody NbSL3.3Q (3rd generation)

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7.5	293.15	Protein concentrated to 14.5 mg/ml in 20 mM HEPES pH 7.5, 150 mM NaCl. Mixed 200 nl protein with 100 nl mother liquor (0.1 M HEPES pH 7.5, 10% 2-propanol, 20% PEG4000). Crystals harvested and cryo-protected with Mother liquor supplemented with 30% glycerol.

Crystal Properties
Matthews coefficient	Solvent content
2.24	45.01

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 57.081	α = 78.88
b = 58.243	β = 67.94
c = 61.662	γ = 80.16

Symmetry
Space Group	P 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 PILATUS3 2M		2022-06-09	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID23-2	0.87313	ESRF	ID23-2

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	1.86	56.58	88.7	0.987	4.1	3.2		36500			13.75

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	1.86	2.09			0.735

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	FREE R-VALUE	7NBB	1.86	52.59	1.96	36496	1721	60.76	0.1893	0.1865	0.2452	17.36

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]

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	5.2137
f_angle_d	0.5027
f_chiral_restr	0.0432
f_plane_restr	0.0044
f_bond_d	0.002

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	5445
Nucleic Acid Atoms
Solvent Atoms	523
Heterogen Atoms	25

Software

Software
Software Name	Purpose
PHENIX	refinement
autoPROC	data processing
autoPROC	data reduction
XSCALE	data scaling
PHENIX	phasing

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.