ETFB GI:4503609 electron-transfer-flavoprotein, beta polypeptide isoform 1 1 maelrvlvav krvidyavki rvkpdrtgvv tdgvkhsmnp fceiaveeav 50 51 rlkekklvke viavscgpaq cqetirtala mgadrgihve vppaeaerlg 100 101 plqvarvlak laekekvdlv llgkqaiddd cnqtgqmtag fldwpqgtfa 150 151 sqvtlegdkl kvereidggl etlrlklpav vtadlrlnep ryatlpnimk 200 201 akkkkievik pgdlgvdlts klsvisvedp pqrtagvkve ttedlvaklk 250 251 eigri