TRANSCRIPTION, TRANSFERASE/DNA-RNA HYBRI, TRANSFERASE, DNA-RNA HYBRID, BACKTRACK, DNA- DIRECTED RNA POLYMERASE, DNA BINDING, ISOPEPTIDE BOND, MAGNESIUM, METAL BINDING, NUCLEOTIDYLTRANSFERASE, NUCLEUS, PHOSPHOPROTEIN, UBL CONJUGATION, ZINC, ZINC-FINGER, POLYMORPHISM, CYTOPLASM, DNA DAMAGE, DNA REPAIR, TRANSFERASE/DNA-RNA HYBRID COMPLEX 3GTO BACKTRACKED RNA POLYMERASE II COMPLEX WITH 15MER RNA