>3zlw_A mol:protein length:348 DUAL SPECIFICITY MITOGEN-ACTIVATED PROTEIN KINASE KINASE 1 MAPK/ERK KINASE 1, MEK 1, MEK1GLEELELDEQQRKRLEAFLTQKQKVGELKDDDFEKISELGAANGGVVFKVSHKPSGLVMARKLIHLEIKPAIRNQIIRELQVLHECNSPYIVGFYGAFYSDGEISICMEHMDGGSLDQVLKKAGRIPEQILGKVSIAVIKGLTYLREKHKIMHRDVKPSNILVNSRGEIKLCDFGVSGQLIDSMANSFVGTRSYMSPERLQGTHYSVQSDIWSMGLSLVEMAVGRYPIPPPDAKELELMFGCQVEGDAAETPPRPRTPGRPLNKFGMDSRPPMAIFELLDYIVNEPPPKLPSGVFSLEFQDFVNKCLIKNPAERADLKQLMVHAFIKRSDAEEVDFAGWLCSTIGLNQ