>3nq1A (A:) observed residues (from ATOM records)
kyrvrknvlhltdtekrdfvrtvlilkekgiydryiawhgaagkfhtppgsdrnaahmss
aflpwhreyllrferdlqsinpevtlpywewetdaqmqdpsqsqiwsadfmggngnpikd
fivdtgpfaagrwttideqgnpsgglkrnfgatkeaptlptrddvlnalkitqydtppwd
mtsqnsfrnqlegfingpqlhnrvhrwvggqmgvvptapndpvfflhhanvdriwavwqi
ihrnqnyqpmkngpfgqnfrdpmypwnttpedvmnhrklgyvy