Chains and heterogens:
PDB Chain Sequences:
>1qs0A (A:) neyaplrlhvpeptgrpgcqtdfsylrlndagqarkppvdvdaadtadlsyslvrvldeq gdaqgpwaedidpqilrqgmramlktrifdsrmvvaqrqkkmsfymqslgeeaigsgqal alnrtdmcfptyrqqsilmardvslvemicqllsnerdplkgrqlpimysvreagfftis gnlatqfvqavgwamasaikgdtkiasawigdgataesdfhtaltfahvyrapvilnvvn nqwaistfqaiaggesttfagrgvgcgiaslrvdgndfvavyaasrwaaerarrglgpsl iewvtyragphstsddpskyrpaddwshfplgdpiarlkqhlikighwseeehqattaef eaaviaaqkeaeqygtlanghipsaasmfedvykempdhlrrqrqel
>1qs0B (B:) atttmtmiqalrsamdvmlerddnvvvygqdvgyfggvfrcteglqtkygksrvfdapis esgivgtavgmgayglrpvveiqfadyfypasdqivsemarlryrsagefiapltlrmpc gggiyggqthsqspeamftqvcglrtvmpsnpydakglliasiecddpviflepkrlyng pfdghhdrpvtpwskhphsavpdgyytvpldkaaitrpgndvsvltygttvyvaqvaaee sgvdaevidlrslwpldldtivesvkktgrcvvvheatrtcgfgaelvslvqehcfhhle apiervtgwdtpyphaqewayfpgpsrvgaalkkvmev