Chains and heterogens:
PDB Chain Sequences:
>2pia_ (-) ttpqedgflrlkiaskekiardiwsfeltdpqgaplppfeaganltvavpngsrrtyslc ndsqernryviavkrdsngrggsisfiddtsegdavevslprnefpldkraksfilvagg igitpmlsmarqlraeglrsfrlyyltrdpegtaffdeltsdewrsdvkihhdhgdptka fdfwsvfekskpaqhvyccgpqalmdtvrdmtghwpsgtvhfesfgatntnarentpftv rlsrsgtsfeipanrsilevlrdanvrvpsscesgtcgscktalcsgeadhrdmvlrdde kgtqimvcvsraksaelvldl