TM4SF20 GI:188528611 transmembrane 4 L six family member 20 1 mtccegwtsc ngfsllvlll lgvvlnaipl ivslveedqf sqnpiscfew 50 51 wfpgiigagl maipattmsl tarkraccnn rtgmflsslf svitvigaly 100 101 cmlisiqall kgplmcnsps nsnancefsl knisdihpes fnlqwffnds 150 151 capptgfnkp tsndtmasgw rassfhfdse enkhrlihfs vflglllvgi 200 201 levlfglsqi vigflgclcg vskrrsqiv