2023-06-14 REL RCSB RCSB RCSB 2022-07-25 2023-06-14 2023-06-14 2023-06-14 Bill & Melinda Gates Foundation OPP1170236 United States Bill & Melinda Gates Foundation INV-004923 United States LM18/Nb136 bispecific tetra-nanobody immunoglobulin in complex with SARS-CoV-2-6P-Mut7 S protein (global refinement) Ozorowski G Turner HL Ward AB nanobody, bispecific nanobody, coronavirus, antibody engineering, VIRAL PROTEIN Misson Mindrebo L Liu H Ozorowski G Tran Q Woehl J Khalek I Smith JM Barman S Zhao F Keating C Limbo O Verma M Liu J Stanfield RL Zhu X Turner HL Sok D Huang PS Burton DR Ward AB Wilson IA Jardine JG Fully synthetic platform to rapidly generate tetravalent bispecific nanobody-based immunoglobulins. Proc.Natl.Acad.Sci.USA US 120 e2216612120 e2216612120 2023 37276407 doi:10.1073/pnas.2216612120 1091-6490 0040 PNASA6 EMD-27693 associated EM volume LM18/Nb136 bispecific tetra-nanobody immunoglobulin in complex with SARS-CoV-2-6P-Mut7 S protein LM18/Nb136 bispecific tetra-nanobody immunoglobulin in complex with SARS-CoV-2-6P-Mut7 S protein 0 1 2 3 4 5 Severe acute respiratory syndrome coronavirus 2 singleParticle particle 0.85 7.4 50.0 Tris 150.0 NaCl sodium chloride 0.06 n-Dodecyl-B-D-Maltopyranoside
Detergent added shortly before grid application
 Quantifoil R1.2/1.3 COPPER 300 CARBON HOLEY GLOW DISCHARGE ETHANE 100 277 FEI VITROBOT MARK IV
incubated complex for 100 minutes at room temperature prior to freezing
 FEI TITAN KRIOS FLOOD BEAM BRIGHT FIELD FIELD EMISSION GUN 300 2.7 0.5 1.8 130000.0 FEI TITAN KRIOS AUTOGRID HOLDER NITROGEN GATAN K2 SUMMIT (4k x 4k) COUNTING 4296 9.0 49.6 1
cryosparc ab initio
 C1 3.14 FSC 0.143 CUT-OFF cryoSPARC 3.2 61539 MAXIMUM LIKELIHOOD cryoSPARC 3.2 MAXIMUM LIKELIHOOD cryoSPARC 3.2 cryoSPARC 3.2 emd_27693.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 380 380 380 0 0 0 380 380 380 397.09998 397.09998 397.09998 90.0 90.0 90.0 X Y Z -0.65071166 1.5290818 -0.0012748191 0.036684144 1.045 1.045 1.045 0.2 AUTHOR Sharpened map REAL emd_27693_msk_1.map emd_27693_additional_1.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 380 380 380 0 0 0 380 380 380 397.09998 397.09998 397.09998 90.0 90.0 90.0 X Y Z -0.16209306 0.8133874 -0.001274819 0.026835533 1.045 1.045 1.045 AUTHOR unsharpened map emd_27693_half_map_2.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 380 380 380 0 0 0 380 380 380 397.09998 397.09998 397.09998 90.0 90.0 90.0 X Y Z -0.53519887 1.2091837 0.00078083476 0.05775722 1.045 1.045 1.045 AUTHOR Half map 2 emd_27693_half_map_1.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 380 380 380 0 0 0 380 380 380 397.09998 397.09998 397.09998 90.0 90.0 90.0 X Y Z -0.5109934 1.1765635 0.0007919027 0.057819594 1.045 1.045 1.045 AUTHOR Half map 1