Chains and heterogens:
PDB Chain Sequences:
>1muyA (A:) mqasqfsaqvldwydkygrktlpwqidktpykvwlsevmlqqtqvatvipyferfmarfp tvtdlanapldevlhlwtglgyyararnlhkaaqqvatlhggkfpetfeevaalpgvgrs tagailslslgkhfpildgnvkrvlarcyavsgwpgkkevenklwslseqvtpavgverf nqammdlgamictrskpkcslcplqngciaaannswalypgkkpk