COMPND MOL_ID: 1; COMPND 2 MOLECULE: Phenylalanine--tRNA ligase beta subunit; COMPND 3 CHAIN: A, B, E, F; COMPND 4 EC: 6.1.1.20; COMPND 5 ENGINEERED: YES; EXPDTA X-RAY DIFFRACTION REMARK 2 RESOLUTION. 3.15 ANGSTORMS DBREF 6P8T A 1 793 UNP D0CA71 D0CA71_ACIB 1 793 SEQRES 1 A 102 PRO PHE THR GLY VAL VAL VAL GLY GLU VAL LEU THR VAL SEQRES 2 A 102 GLU GLN HIS PRO ASP ALA ASP ARG LEU ARG VAL THR THR SEQRES 3 A 102 VAL ASN ILE GLY SER GLY GLU PRO LEU GLN ILE VAL CYS SEQRES 4 A 102 GLY ALA PRO ASN VAL ARG ALA GLY MET LYS ALA PRO VAL SEQRES 5 A 102 ALA THR ILE GLY ALA VAL LEU PRO GLY ASP PHE LYS ILE SEQRES 6 A 102 LYS LYS GLY LYS LEU ARG GLY VAL GLU SER GLN GLY MET SEQRES 7 A 102 LEU CYS GLY ALA SER GLU ILE ASP LEU GLU ASP LYS ILE SEQRES 8 A 102 ASP GLY LEU LEU GLU LEU PRO ALA ASP ALA PRO