Positive Samples: 293T, K-562, U-87MG, Mouse lung, Mouse testis, Mouse brain, Rat brain Immunogen sequence: MSNSRNNRVM VEGVGARVVR GPDWKWGKQD GGEGHVGTVR SFESPEEVVV VWDNGTAANY RCSGAYDLRI LDSAPTGIKH DGTMCDTCRQ QPIIGIRWKC. MIB is an E3 ubiquitin-protein liga