>mbk20.4 MGDFEPLNKV NFIICVNCLI KERKESSSTE SDQYDVESLD HNKQGFSSET EELVIFQGGE DLTICDILDA PGEVIGKSSY GTLYKASLQR SGKIRVLRFL RPVCTVRSDS KEFNGIIETL GFVRHENLVP LLGFYAGNRG EKLMVHPFFG SGNLSDFIRS GDDESRKWIN ILRITIGISK ALDHLHTGMQ KPIVHGNLKS KNVLLSSSFE PRISDFGLHL LLNLSAGQEI LDVSAAEGYK APELIKMKDV SKESDVYSLG VIMLELVSGK EPINENATGD DEFYLPDFMR NAVLDHRLSD LYRPEILGSD DNLSEECVLK YFQLAMSCCS PSPSLRPNVK QVLRKLEEIG KF