>3l75A (A:) observed residues (from ATOM records)
atyaqtlqnipetnvttldnglrvaseessqptctvgvwigagsryeneknngagyfveh
lafkgtkkrpcaafekevesmgahfngytsreqtafyikalskdmpkvvelladvvqnca
leesqiekergvilqelkemdndmtnvtfdylhatafqgtalartvegttenikhltrad
lasyidthfkaprmvlaaaggishkelvdaarqhfsgvsftykedavpilprcrftgsei
rarddalpvahvalavegpgwadpdnvvlhvanaiigrydrtfgggkhlssrlaalaveh
klchsfqtfntsysdtglfgfhfvadplsiddmmfcaqgewmrlctsttesevkraknhl
rsamvaqldgttpvcetigshllnygrrisleewdsrisavdarmvrdvcskyiydkcpa
laavgpieqlldynrirsgmywi