HEADER VIRAL PROTEIN/IMMUNE SYSTEM 31-DEC-69 7MFG TITLE Cryo-EM structure of the VRC310 clinical trial, vaccine-elicited, TITLE 2 human antibody 310-030-1D06 Fab in complex with an H1 NC99 HA trimer COMPND MOL_ID: 2; COMPND 2 MOLECULE: Hemagglutinin HA2 chain; COMPND 3 CHAIN: B, D, I; COMPND 4 ENGINEERED: YES; EXPDTA ELECTRON MICROSCOPY DBREF 7MFG D 1 176 UNP Q289M7 HEMA_I00A1 344 519 SEQRES 1 D 157 ILE GLU GLY GLY TRP THR GLY MET VAL ASP GLY TRP TYR SEQRES 2 D 157 GLY TYR HIS HIS GLN ASN GLU GLN GLY SER GLY TYR ALA SEQRES 3 D 157 ALA ASP GLN LYS SER THR GLN ASN ALA ILE ASN CYS ILE SEQRES 4 D 157 THR ASN LYS VAL ASN SER VAL ILE GLU LYS MET ASN THR SEQRES 5 D 157 GLN PHE THR ALA VAL GLY LYS GLU PHE ASN LYS LEU GLU SEQRES 6 D 157 ARG ARG MET GLU ASN LEU ASN LYS LYS VAL ASP ASP GLY SEQRES 7 D 157 PHE LEU ASP ILE TRP THR TYR ASN ALA GLU LEU LEU VAL SEQRES 8 D 157 LEU LEU GLU ASN GLU ARG THR LEU ASP PHE HIS ASP SER SEQRES 9 D 157 ASN VAL LYS ASN LEU TYR GLU LYS VAL LYS SER GLN LEU SEQRES 10 D 157 LYS ASN ASN ALA LYS GLU ILE GLY ASN GLY CYS PHE GLU SEQRES 11 D 157 PHE TYR HIS LYS CYS ASN ASN GLU CYS MET GLU SER VAL SEQRES 12 D 157 LYS ASN GLY THR TYR ASP TYR PRO LYS TYR SER GLU GLU SEQRES 13 D 157 SER