Table 4. The top 30 editing forms of let-7a.

Activation(TPM)	Delay(TPM)	Mature let-7a sequence
		--UGAGGUAGUAGGUUGUAUAGUU----
103,770	83,751	--TGAGGTAGTAGGTTGTATAGTT----
18,784	17,258	--TGAGGTAGTAGGTTGTATAGT-----
16,922	15,990	--TGAGGTAGTAGGTTGTATAGTTT---
14,662	13,678	--TGAGGTAGTAGGTTGTATAGTTa---
2,742	2,466	--TGAGGTAGTAGGTTGTATAG------
1,996	1,907	--TGAGGTAGTAGGTTGTATtGTT----
928	1,265	--TGAGGTAGTAGGTTGTAT-GTTT---
785	817	--TGAGGTAGTAGGTTGTATAGTa----
921	644	--TGAGGTAGTAGGTTGTATAGTTaa--
636	694	--TGAGGTAGTAGGTTGTAT--------
663	609	--TGAGGTAGTAGGTTGTATA-------
521	532	--TGAGGTAGTAGGTTGTATtGTTT---
509	498	--TGAGGTAGTAGGTTGTATAGTTg---
502	443	--TGAGGTAGTAGGTTGTATAGTaa---
536	367	--TGAGGTAGTAGGTTGTATtGT-----
350	483	--TGAGGTAGTAGGTTGTAT-GTT----
456	368	--TGAGGTAGTAGGTTGTATAGTTTT--
420	318	--TGAGGTAGTAGGTTGTATAGTTaT--
354	348	--TGAGGTAGTAGGTTGTATtGTTa---
6	667	--TGAGcTAGTAGGTTGTATAGTT----
288	305	--TGAGGTAGTAGGTTGTATAtTT----
245	329	--TGAGGTAGTAGGTTGTAT-GTTTT--
247	306	--TGAGGTAGTAGGTTGTAT-GTTTa--
298	226	---GAGGTAGTAGGTTGTATAGTT----
246	190	--TGAGGTAGTAGtTTGTATAGTT----
213	149	--TGAGGTAGTAGGTTGTATAGTTTa--
174	169	--TGAGGTAGTAGGTTGTAcAGTT----
146	161	--TGAGGTAGTAGGTTGTATAGa-----
159	137	--TGAGGTAGTAGGTTGTATAGTaT---
141	148	--TGAGGTAGTAGGTTGTATAa------

Note: The copy number of each read is shown on the left. The canonical mature let-7a sequence (reference sequence) is in the top row. The potential modifications sites were in lower case.