Introduction ============ :mod:`TSARP` (transcript start activity region predictor) is a `deep neural networks `_ to predict `TSAR signal `_ in plants. TSARP contains two parts, TSARC and TSARL. TSARC, transcript start activity region classificier, allows input 5' leader sequence of length 512 and then predicts whether the input sequence contains a TSAR signal. TSARL, transcript start activity region locater, predicts TSAR exact position on the input sequence.