| 词条 | Keratin 21 |
| 释义 | {{Unreferenced stub|auto=yes|date=December 2009}} Keratin 21 is a type I cytokeratin which expresses immunologically specific fusion protein. It is not found in humans, but only in Rattus norvegicus. {{Cytoskeletal proteins}}{{Protein-stub}} 1 : Keratins |
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