>1ivvB (B:) observed residues (from ATOM records)
aspfrlasageisevqgilrtagllgpekriaylgvldpargagseaedrrfrvfihdvs
garpqevtvsvtngtvisaveldtaatgelpvleeefevveqllatderwlkalaarnld
vskvrvaplsagvfeyaeergrrilrglafvqdfpedsawahpvdglvayvdvvskevtr
vidtgvfpvpaehgnytdpeltgplrttqkpisitqpegpsftvtggnhiewekwsldvg
fdvregvvlhniafrdgdrlrpiinrasiaemvvpygdpspirswqnyfdtgeylvgqya
nslelgcdclgditylspvisdafgnpreirngicmheedwgilakhsdlwsginytrrn
rrmvisffttignfdygfywylyldgtiefeakatgvvftsafpeggsdnisqlapglga
pfhqhifsarldmaidgftnrveeedvvrqtmgpgnergnafsrkrtvltreseavread
artgrtwiisnpesknrlnepvgyklhahnqptlladpgssiarraafatkdlwvtryad
deryptgdfvnqhsggaglpsyiaqdrdidgqdivvwhtfglthfprvedwpimpvdtvg
fklrpegffdrspvldvpan