7X2K

Crystal structure of nanobody Nb70 with antibody 1F11 fab and SARS-CoV-2 RBD

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	SYNCHROTRON
Source details	SSRF BEAMLINE BL18U1
Synchrotron site	SSRF
Beamline	BL18U1
Temperature [K]	100
Detector technology	PIXEL
Collection date	2021-09-22
Detector	DECTRIS PILATUS 6M
Wavelength(s)	0.987
Spacegroup name	P 21 21 21
Unit cell lengths	94.629, 95.470, 104.139
Unit cell angles	90.00, 90.00, 90.00

Refinement procedure

Resolution	45.620 - 2.400
R-factor	0.1977
Rwork	0.195
R-free	0.24490
Structure solution method	MOLECULAR REPLACEMENT
Starting model (for MR)	6m0j
RMSD bond length	0.008
RMSD bond angle	0.964
Data reduction software	HKL-3000 (7.21)
Data scaling software	HKL-3000 (7.21)
Phasing software	PHASER (2.7.0)
Refinement software	PHENIX (1.18.2_3874)

Data quality characteristics

	Overall	Outer shell
Low resolution limit [Å]	45.620	2.486
High resolution limit [Å]	2.400	2.400
Number of reflections	37441	3677
<I/σ(I)>	17.18
Completeness [%]	99.5
Redundancy	12.2
CC(1/2)	0.995	0.618

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, SITTING DROP		291.15	0.15M DL-Malic acid pH 7.0, 20% w/v Polyethylene glycol 3350