Chains and heterogens:
PDB Chain Sequences:
>1pii_ (-) mqtvlakivadkaiwvearkqqqplasfqnevqpstrhfydalqgartafileckkasps kgvirddfdpariaaiykhyasaisvltdekyfqgsfnflpivsqiapqpilckdfiidp yqiylaryyqadacllmlsvldddqyrqlaavahslemgvltevsneeeqeraialgakv vginnrdlrdlsidlnrtrelapklghnvtvisesgintyaqvrelshfangfligsalm ahddlhaavrrvllgenkvcgltrgqdakaaydagaiygglifvatsprcvnveqaqevm aaaplqyvgvfrnhdiadvvdkakvlslaavqlhgneeqlyidtlrealpahvaiwkals vgetlparefqhvdkyvldngqggsgqrfdwsllngqslgnvllagglgadncveaaqtg cagldfnsavesqpgikdarllasvfqtlray