Chains and heterogens:
PDB Chain Sequences:
>1mpfA (A:) aeiynkdgnkvdlygkavglhyfskgngensyggngdmtyarlgfkgetqinsdltgygq weynfqgnnsegadaqtgnktrlafaglkyadvgsfdygrnygvvydalgytdmlpefdg dtaysddffvgrvggvatyrnsnffglvdglnfavqylgknerdtarrsngdgvggsisy eyegfgivgaygaadrtnlqeaqplgngkkaeqwatglkydanniylaanygetrnatpi tnkftntsgfanktqdvllvaqyqfdfglrpsiaytkskakdvegigdvdlvnyfevgat yyfnknmstyvdyiinqidsdnklgvgsddtvavgivyqf