>gi|89993692 mouse double minute 2 homolog isoform MDM2b [Homo sapiens] MVRSRQMCNTNMSVPTDGAVTTSQIPASEQETLVRPKPLLLKLLKSVGAQ KDTYTMKEVLFYLGQYIMTKRLYDEKQQHIVYCSNDCANLFPLVDLSIRE LYISNYITLGI