COMPND MOL_ID: 1; COMPND 2 MOLECULE: Polyribonucleotide nucleotidyltransferase; COMPND 3 CHAIN: A, B, C; COMPND 4 EC: 2.7.7.8; COMPND 5 ENGINEERED: YES; EXPDTA ELECTRON MICROSCOPY DBREF 7LD5 C 1 763 UNP A0QVQ5 PNP_MYCS2 1 763 SEQRES 1 C 104 ALA PRO VAL ALA GLY ILE ALA MET GLY LEU VAL SER ASP SEQRES 2 C 104 ASP VAL ASP VAL ASP GLY LYS VAL GLU LYS ARG TYR VAL SEQRES 3 C 104 ALA LEU THR ASP ILE LEU GLY ALA GLU ASP ALA PHE GLY SEQRES 4 C 104 ASP MET ASP PHE LYS VAL ALA GLY THR LYS ASP PHE VAL SEQRES 5 C 104 THR ALA LEU GLN LEU ASP THR LYS LEU ASP GLY ILE PRO SEQRES 6 C 104 SER GLN VAL LEU ALA GLY ALA LEU SER GLN ALA LYS ASP SEQRES 7 C 104 ALA ARG LEU THR ILE LEU ASP VAL MET ALA GLU ALA ILE SEQRES 8 C 104 ASP ARG PRO ASP GLU MET SER PRO TYR ALA PRO ARG ILE