Chains and heterogens:
PDB Chain Sequences:
>1dypA (A:) smqppiakpgetwilqakrsdefnvkdatkwnfqtenygvwswknenatvskgklklttk reshqrtfwdgcnqqqvanyplyytsgvaksratgnygyyearikgastfpgvspafwmy stidrsltkegdvqyseidvveltqksavresdhdlhnivvkngkptwmrpgsfpqtnhn gyhlpfdprndfhtygvnvtkdkitwyvdgeivgekdnlywhrqmnltlsqglraphtqw kcnqfypsanksaegfptsmevdyvrtwvkv