>mxc20.3 
MSSEDWDLFA VVRSCSSSVS TTNSCAGHED DIGNCKQQQD PPPPPLFQAS SSCNELQDSC
KPFLPVTTTT TTTWSPPPLL PPPKASSPSP NILLKQEQVL LESQDQKPPL SVRVFPPSTS
SSVFVFRGQR DQLLQQQSQP PLRSRKRKNQ QKRTICHVTQ ENLSSDLWAW RKYGQKPIKG
SPYPRNYYRC SSSKGCLARK QVERSNLDPN IFIVTYTGEH THPRPTHRNS LAGSTRNKSQ
PVNPVPKPDT SPLSDTVKEE IHLSPTTPLK GNDDVQETNG DEDMVGQEVN MEEEEEEEEV
EEDDEEEEDD DDVDDLLIPN LAVRDRDDLF FAGSFPSWSA GSAGDGGG