HEADER VIRAL PROTEIN 31-DEC-69 6NFC TITLE BG505 MD64 N332-GT5 SOSIP trimer in complex with BG18-like precursor TITLE 2 HMP42 fragmentantigen binding and base-binding RM20A3 fragment TITLE 3 antigen binding COMPND MOL_ID: 1; COMPND 2 MOLECULE: base-binding RM20A3 fragment antigen binding heavy chain; COMPND 3 CHAIN: C, J, K; COMPND 4 ENGINEERED: YES; EXPDTA ELECTRON MICROSCOPY DBREF 6NFC J 1 113 PDB 6NFC 6NFC 1 113 SEQRES 1 J 123 GLU VAL GLN LEU VAL GLU THR GLY GLY GLY LEU VAL GLN SEQRES 2 J 123 PRO GLY GLY SER LEU LYS LEU SER CYS ARG ALA SER GLY SEQRES 3 J 123 TYR THR PHE SER SER PHE ALA MET SER TRP VAL ARG GLN SEQRES 4 J 123 ALA PRO GLY LYS GLY LEU GLU TRP VAL SER LEU ILE ASN SEQRES 5 J 123 ASP ARG GLY GLY LEU THR PHE TYR VAL ASP SER VAL LYS SEQRES 6 J 123 GLY ARG PHE THR ILE SER ARG ASP ASN SER LYS ASN THR SEQRES 7 J 123 LEU SER LEU GLN MET HIS SER LEU ARG ASP GLY ASP THR SEQRES 8 J 123 ALA VAL TYR TYR CYS ALA THR GLY GLY MET SER SER ALA SEQRES 9 J 123 LEU GLN SER SER LYS TYR TYR PHE ASP PHE TRP GLY GLN SEQRES 10 J 123 GLY ALA LEU VAL THR VAL