HEADER RIBOSOME 31-DEC-69 6Y0G TITLE Structure of human ribosome in classical-PRE state COMPND MOL_ID: 54; COMPND 2 MOLECULE: 40S ribosomal protein S4, X isoform; COMPND 3 CHAIN: SE; EXPDTA ELECTRON MICROSCOPY DBREF 6Y0G S 1 263 UNP P62701 RS4X_HUMAN 1 263 SEQRES 1 SE 88 ASP THR GLY ASN LEU CYS MET VAL THR GLY GLY ALA ASN SEQRES 2 SE 88 LEU GLY ARG ILE GLY VAL ILE THR ASN ARG GLU ARG HIS SEQRES 3 SE 88 PRO GLY SER PHE ASP VAL VAL HIS VAL LYS ASP ALA ASN SEQRES 4 SE 88 GLY ASN SER PHE ALA THR ARG LEU SER ASN ILE PHE VAL SEQRES 5 SE 88 ILE GLY LYS GLY ASN LYS PRO TRP ILE SER LEU PRO ARG SEQRES 6 SE 88 GLY LYS GLY ILE ARG LEU THR ILE ALA GLU GLU ARG ASP SEQRES 7 SE 88 LYS ARG LEU ALA ALA LYS GLN SER SER GLY