1         11        21        31        41        51        61        71        81        91        101       111       121       131       141       151       161       171       181       191       201       211       221       231       241       251       261       271       281       291       301       311       321       331       341       351  
                       |---------|---------|---------|---------|---------|---------|---------|---------|---------|---------|---------|---------|---------|---------|---------|---------|---------|---------|---------|---------|---------|---------|---------|---------|---------|---------|---------|---------|---------|---------|---------|---------|---------|---------|---------|----
 EFB2_MOUSE            MAMARSRRDSVWKYCWGLLMVLCRTAISRSIVLEPIYWNSSNSKFLPGQGLVLYPQIGDKLDIICPKVD--SKTVGQYEYYKVYMVDKDQADRCTIKKENTPLLNCARP---DQDVKFTIKFQEFSPNLWGLEFQKNKDYYIIS-TSNGSLEGLDNQEGGVCQTRAMKILMKVGQDASSAGSARNHGPTRRPELEAGTNGR-------------SSTTSPFVKPNPGSSTDGNSAGHSGNNLLGSEVALFAGIASGCIIFIVIIITLVVLLLKYRRRHRKHSPQHTTTLSLSTLATPKRGGNNNGSEPSDVIIPLRTADSVFCPHYEKVSGDYGHPVYIVQEMPPQSPANIYYKV  
 EFA5_BRARE            -MLQAEMIVFVGVILWMCVFSQEPSSK-VMADRYAVFWNRTNPRFQRGDY-HIDVCINDYLDVYCPHYED-SVPEERTERYVLYMVNYDGYSTCDHTAKGFKRWECNRPHSPNGPLKFSEKFQLFTPFSLGFEFRPGREYYYISSMITETGRRS-------CLKLKVFVRPPNGCEKTIGVHDRVF-VDDKVDNALEPRDDTSHEA-EPSRSD------------------------------VSTSGLRHQTSRPLLALLLLCISLYLLL  
 EFA1_HUMAN            -----------MEFLWAPLLGLC--CSLAAADRHTVFWNSSNPKFRNEDY-TIHVQLNDYVDIICPHYEDHSVADAAMEQYILYLVEHEEYQLCQPQSKDQVRWQCNRPSAKHGPEKLSEKFQRFTPFTLGKEFKEGHSYYYISKPIHQHEDR--------CLRLKVTVSGKITHSPQAHVNPQEK-----RLAADDPEVRVLHSI--------------------------------------------GHSAAPRLFPLAWTVLLLPLLLLQTP  
 EFA5_CHICK            -MPHVEMLLLAVAALWVCVRGQEPGRK-AVADRYAVYWNSTNPRFQQGDY-HIDVCINDYLDVFCPHYED-SVPEDKTERYVLYMVNFDGYSSCDHISKGFKRWECNRPHSPNGPLKFSEKFQLFTPFSLGFEFRPGREYFYISSAIPDNGRRS-------CLKLKVFVRPANSCMKTIGVHDRVFDVNDKVENSLEPADDTVRESAEPSRGE----------------------------------NAAQTPRIPIRLLATLLFLLAMLLIL  
 EFA1_XENLA            ---MMELYRAAVQLIVGVGLGVGLWLREAQGERHIVFWNSSNYRFMQEDY-TVQVQLNDYLDIVCPYYEEGSVAGHTVERYTLFLVDYEEYETCKPKSKDQVRWECNKPFAPHGPEKFCEKFQKFTPFTLGTEFREGRTYYYISKPIHYHGET--------CMRLRVHVSGRTTPPP-VNVHTPRS-----HIQSDEPEVPLPGVM-------------------------------------KSVAGNSAAPGTPCTLYGLLLAALLLRL  
 EFB1_HUMAN            -MARPGQRWLGKWLVAMVVWALCRLATPLAKNLEPVSWSSLNPKFLSGKGLVIYPKIGDKLDIICPRAE----AGRPYEYYKLYLVRPEQAAACSTVLDPNVLVTCNRP---EQEIRFTIKFQEFSPNYMGLEFKKHHDYY-ITSTSNGSLEGLENREGGVCRTRTMKIIMKVGQDPNAVTPEQLTTSRPSKEADNTVKMATQAPGSRGSLGDSDGKHETVNQEEKSGPGASGGSSGDPDGFFNSKVALFAAVGAGCVIFLLIIIFLTVLLLKLRKRHRKHTQQRAAALSLSTLASPKGGSGTAGTEPSDIIIPLRTTENNYCPHYEKVSGDYGHPVYIVQEMPPQSPANIYYKV