Chains and heterogens:
PDB Chain Sequences:
>1h7rA (A:) mhtaefletepteissvlaggynhpllrqwqserqltknmlifplfisdnpddfteidsl pninrigvnrlkdylkplvakglrsvilfgvplipgtkdpvgtaaddpagpviqgikfir eyfpelyiicdvclceytshghcgvlyddgtinrersvsrlaavavnyakagahcvapsd midgrirdikrglinanlahktfvlsyaakfsgnlygpfrdaacsapsngdrkcyqlppa grglarralerdmsegadgiivkpstfyldimrdaseickdlpicayhvsgeyamlhaaa ekgvvdlktiafeshqgflragarliitylapefldwldeen