| Title : Tale of two serines - |
| Author(s) : Koonin EV , Gorbalenya AE |
| Ref : Nature , 338 :467 , 1989 |
| PubMedID: 2494457 |
| Title : Tale of two serines - |
| Author(s) : Koonin EV , Gorbalenya AE |
| Ref : Nature , 338 :467 , 1989 |
| PubMedID: 2494457 |
| Title : Tale of two serines - |
| Author(s) : Koonin EV , Gorbalenya AE |
| Ref : Nature , 338 :467 , 1989 |
| PubMedID: 2494457 |