terminal_inverted_repeat_element P_TIR_transposon sequence A P-element is a DNA transposon responsible for hybrid dysgenesis. P elements in this terminal inverted repeat (TIR) transposon superfamily have 31 bp perfect TIR and upon insertion duplicate an 8 bp sequence. It contains transposase that may lack the DDE domain. DTP transposon P TIR transposon 2010-03-12T03:40:33Z P-element P transposable element SO:0001535 kareneilbeck P element Moved from under DNA_transposon (SO:0000182) by Dave Sant as per request from GitHub issue #488 on June 25, 2020