A member of the importin-β protein family, transportin 1, binds to influenza A virus matrix protein M1 and promotes its removal from the viral ribonucleoproteins (vRNPs), enabling disassembly of vRNP bundles, vRNP interaction with importin-α/β and entry into the nucleus.
- Yasuyuki Miyake
- Jeremy J. Keusch
- Yohei Yamauchi