HEADER PROTEIN TRANSPORT 31-DEC-69 7AH9 TITLE Substrate-engaged type 3 secretion system needle complex from TITLE 2 Salmonella enterica typhimurium - SpaR state 1 COMPND MOL_ID: 7; COMPND 2 MOLECULE: Type 3 secretion system secretin; COMPND 3 CHAIN: 5A, 5B, 5C, 5D, 5E, 5F, 5G, 5H, 5I, 5J, 5K, 5L, 5M, 5N, 5O, 5P; EXPDTA ELECTRON MICROSCOPY SEQRES 1 5I 45 GLY ILE GLU LEU GLY ARG GLN LYS ILE GLY VAL MET ARG SEQRES 2 5I 45 LEU ASN ASN THR PHE VAL GLY ASP ARG THR TYR ASN LEU SEQRES 3 5I 45 ARG ASP GLN LYS MET VAL ILE PRO GLY ILE ALA THR ALA SEQRES 4 5I 45 ILE GLU ARG LEU LEU GLN SEQRES 1 5I 34 ILE LYS ILE VAL ALA TYR PRO ASP THR ASN SER LEU LEU SEQRES 2 5I 34 VAL LYS GLY THR ALA GLU GLN VAL HIS PHE ILE GLU MET SEQRES 3 5I 34 LEU VAL LYS ALA LEU ASP VAL ALA