HEADER VIRAL PROTEIN/IMMUNE SYSTEM 31-DEC-69 8DZI TITLE Structure of SARS-CoV-2 Omicron BA.1.1.529 Spike trimer with one RBD TITLE 2 down in complex with the Fab fragment of human neutralizing antibody TITLE 3 MB.02 COMPND MOL_ID: 3; COMPND 2 MOLECULE: antibody MB.02 light chain; COMPND 3 CHAIN: L, D, F; COMPND 4 FRAGMENT: Fab variable ; COMPND 5 ENGINEERED: YES; EXPDTA ELECTRON MICROSCOPY DBREF 8DZI L 1 109 PDB 8DZI 8DZI 1 109 SEQRES 1 L 109 GLU ILE VAL LEU THR GLN SER PRO GLY THR LEU SER LEU SEQRES 2 L 109 SER PRO GLY GLY ARG ALA THR LEU SER CYS ARG ALA SER SEQRES 3 L 109 GLN SER VAL SER SER SER TYR LEU ALA TRP TYR GLN GLN SEQRES 4 L 109 LYS PRO GLY GLN ALA PRO ARG LEU LEU ILE TYR GLY ALA SEQRES 5 L 109 SER SER ARG ALA THR GLY ILE PRO ASP ARG PHE SER GLY SEQRES 6 L 109 SER GLY SER GLY THR ASP PHE THR LEU THR ILE SER ARG SEQRES 7 L 109 LEU GLU PRO GLU ASP PHE ALA VAL TYR TYR CYS GLN GLN SEQRES 8 L 109 TYR GLY SER SER PRO PRO THR PHE GLY GLN GLY THR LYS SEQRES 9 L 109 VAL GLU ILE LYS ARG