Chains and heterogens:
PDB Chain Sequences:
>1x0mA (A:) mlgdverffskkalemrasevrellklvetsdiislagglpnpktfpkeiirdilveime kyadkalqygttkgftplretlmkwlgkrygisqdndimitsgsqqaldligrvflnpgd ivvveaptylaalqafnfyepqyiqiplddegmkveileeklkelksqgkkvkvvytvpt fqnpagvtmnedrrkyllelaseydfivveddpygelrysgnpekkikaldnegrviylg tfskilapgfrigwmvgdpgiirkmeiakqstdlctnvfgqvvawryvdggylekhipei rkfykprrdamlealeefmpegvkwtkpeggmfiwvtlpdgidskkmleraikkgvayvp geafyahrdvkntmrlnftyvdedkimegikrlaetikeelka