>3n1hA (A:) observed residues (from ATOM records)
grvfapysvfkgkaalsaeprlptfnrldsggvklnrrgvimltfwpsvgerkydwekrq
lfalsatevgslismgtrdsseffhdpsmlssnagqvrkslsikpnadgsgyfislsvvn
nnlktndrftvpvttaefavmrtafsfalphimgwdrftnr