>mxa21.p4 
QHLEALGTLR GYNYKQIKKI TKSFTEVVGR GGFGTVYRGR LRDGRKVAVK VLKDSKGNCE
DFINEVASMS QTSHVNIVTL LGFCYEGSKR AIIYEFLENG SLDQSLNLDV STLYGIALGV
ARGLEYLHYG CKTRIVHFDI KPQNVLLDEN LRPKVADFGL AKLCEKQESI LSLLDTRGTI
GYIAPELFSR MYGSVSHKSD VYSYGMLVLE MIGARNKERV QNADPNNSSA YFPDWIYKDL
ENFDNTRLLG DGLTREEEKN AKKMILVGLW CIQFRPSDRP SMNKVVEMME GSLDSLDPPP
KPLLHMP