Types of poly(A) Signals
| poly(A) Signal | Occurrence (%) |
| aataaa | 73.957274 |
| attaaa | 7.494066 |
| aattaa | 2.37386 |
| aaataa | 1.966768 |
| agtaaa | 1.017294 |
| aatata | 0.881655 |
| cataaa | 0.779925 |
| taataa | 0.746016 |
| aataat | 0.712106 |
| tataaa | 0.576467 |
| ataaaa | 0.508647 |
| aataca | 0.508647 |
| ataaag | 0.474737 |
| ataaat | 0.373008 |
| aatgaa | 0.339098 |
| aagaaa | 0.305188 |
| aaaata | 0.305188 |
| ataaac | 0.271278 |
| gataaa | 0.237369 |
| caataa | 0.203459 |
| atttaa | 0.203459 |
| actaaa | 0.169549 |
| aatcaa | 0.169549 |
| taaata | 0.135639 |
| gaataa | 0.135639 |
| aataac | 0.135639 |
[i] The top nine poly(A) signals are shown in bold type.