>1k47A (A:) observed residues (from ATOM records)
hmmiavktcgklywageyailepgqlalikdipiymraeiafsdsyriysdmnpdysliq
etialmgdflavrgqnlrpfslaiygkmeregkkfglgssgsvvvlvvkallalynlsvd
qnllfkltsavllkrgdngsmgdlaciaaedlvlyqsfdrqkvaawleeenlatvlerdw
gfsisqvkptlecdflvgwtkevavsshmvqqikqninqnfltssketvvslvealeqgk
sekiieqvevasklleglstdiytpllrqlkeasqdlqavakssgagggdcgialsfdaq
stktlknrwadlgiellyqeri