HEADER VIRAL PROTEIN 31-DEC-69 7CWM TITLE Complex of SARS-CoV-2 spike protein and Fab P17 with one RBD in open TITLE 2 state and two RBD in closed state COMPND MOL_ID: 3; COMPND 2 MOLECULE: P17 light chain; COMPND 3 CHAIN: L, J, K; COMPND 4 ENGINEERED: YES; EXPDTA ELECTRON MICROSCOPY DBREF 7CWM J 0 107 PDB 7CWM 7CWM 0 107 SEQRES 1 J 108 GLY ASP ILE GLN LEU THR GLN SER PRO SER SER LEU SER SEQRES 2 J 108 ALA SER VAL GLY ASP ARG VAL THR ILE THR CYS ARG ALA SEQRES 3 J 108 SER GLN SER ILE SER SER TYR LEU ASN TRP TYR GLN GLN SEQRES 4 J 108 LYS PRO GLY LYS ALA PRO LYS LEU LEU ILE TYR ALA ALA SEQRES 5 J 108 SER SER LEU GLN SER GLY VAL PRO SER ARG PHE SER GLY SEQRES 6 J 108 SER GLY SER GLY THR ASP PHE THR LEU THR ILE SER SER SEQRES 7 J 108 LEU GLN PRO GLU ASP PHE ALA THR TYR TYR CYS GLN GLN SEQRES 8 J 108 SER TYR SER THR PRO ARG THR PHE GLY GLN GLY THR LYS SEQRES 9 J 108 VAL GLU ILE LYS