>gi|21618349 mitogen-activated protein kinase kinase 3 isoform B [Homo sapiens]
MESPASSQPASMPQSKGKSKRKKDLRISCMSKPPAPNPTPPRNLDSRTFI
TIGDRNFEVEADDLVTISELGRGAYGVVEKVRHAQSGTIMAVKRIRATVN
SQEQKRLLMDLDINMRTVDCFYTVTFYGALFREGDVWICMELMDTSLDKF
YRKVLDKNMTIPEDILGEIAVSIVRALEHLHSKLSVIHRDVKPSNVLINK
EGHVKMCDFGISGYLVDSVAKTMDAGCKPYMAPERINPELNQKGYNVKSD
VWSLGITMIEMAILRFPYESWGTPFQQLKQVVEEPSPQLPADRFSPEFVD
FTAQCLRKNPAERMSYLELMEHPFFTLHKTKKTDIAAFVKEILGEDS