MYL9 GI:31563524 myosin regulatory light chain 9 isoform b 1 msskrakakt tkkrpqrats nvfamfdqsq iqefkeafnm idqnrdgfid 50 51 kedlhdmlas lgfihedhlr ellttmgdrf tdeevdemyr eapidkkgnf 100 101 nyveftrilk hgakdkdd