>3rpiB (B:) observed residues (from ATOM records)
qmtqspsslsarvgdtvtitcqangylnwyqqrrgkapklliydgsklergvparfsgrr
wgqeynltinnlqpedvatyfcqvyefivpgtrldlkrtvaapsvfifppsdeqlksgta
svvcllnnfypreakvqwkvdnalqsgnsqesvteqdskdstyslsstltlskadyekhk
vyacevthqglsspvtksfnrge