Chains and heterogens:
PDB Chain Sequences:
>1maqA (A:) sswwshvemgppdpilgvteafkrdtnskkmnlgvgayrddngkpyvlncvrkaeamiaa kkmdkeylpiagladftrasaelalgenseafksgryvtvqgisgtgslrvganflqrff kfsrdvylpkpswgnhtpifrdaglqlqayryydpktcsldftgamediskipeksiill hacahnptgvdprqeqwkelasvvkkrnllayfdmayqgfasgdinrdawalrhfieqgi dvvlsqsyaknmglygeragaftvicrdaeeakrvesqlkilirpmysnppmngariasl ilntpelrkewlvevkgmadriismrtqlvsnlkkegsshnwqhitdqigmfcftglkpe qverltkefsiymtkdgrisvagvassnvgylahaihqvtk