Chains and heterogens:
PDB Chain Sequences:
>1gqzA (A:) mqfskmhglgndfvvvdgvtqnvfftpetirrlanrhcgigfdqlliveapydpeldfhy rifnadgsevsqcgngarcfarfvtlkgltnkkdisvstqkgnmvltvkddnqirvnmge piwepakipftankfeknyilrtdiqtvlcgavsmgnphcvvqvddiqtanveqlgplle sherfpervnagfmqiinkehiklrvyergagetqacgsgacaavavgimqgllnnnvqv dlpggslmiewngvghplymtgeathiydgfitl