>1U42_1|Chain A|Nuclear factor NF-kappa-B p105 subunit|Mus musculus (10090) ASNLKIVRMDRTAGCVTGGEEIMLLCDKVQKDDIQIRFYEEEENGGVWEGFGDFSPTDVHRQFAIMFKTPKYKDVNITKPASVFVQLRRKSDLETSEPKPFLYYPE