>1as4A (A:) observed residues (from ATOM records)
glasanvdfafslykqlvlkapdknvifsplsistalaflslgahnttlteilkglkfnl
tetseaeihqsfqhllrtlnqssdelqlsmgnamfvkeqlslldrftedakrlygseafa
tdfqdsaaakklindyvkngtrgkitdlikdldsqtmmvlvnyiffkakwempfdpqdth
qsrfylskkkwvmvpmmslhhltipyfrdeelsctvvelkytgnasalfilpdqdkmeev
eamllpetlkrwrdslefreigelylpkfsisrdynlndillqlgieeaftskadlsgit
garnlavsqvvhkavldvfeegteasratavkitll