>4hd6B (B:) observed residues (from ATOM records)
kyrvrknvlhltdtekrdfvrtvlilkekgiydryiawhgaagkfhtppgsdrnaahmss
aflpwhreyllrferdlqsinpevtlpywewetdaqmqdpsqsqiwsadfmggngnpikd
fivdtgpfaagrwttideqgnpsgglkrnfgatkeaptlptrddvlnalkitqydtppwd
mtsqnsfrnqlegfingpqlhnrvhrwvggqmgvfptapndpvfflhhanvdriwavwqi
ihrnqnyqpmkngpfgqnfrdpmypwnttpedvmnhrklgyvydie