>1k47B (B:) observed residues (from ATOM records)
hmmiavktcgklywageyailepgqlalikdipiymraeiafsdsyriysdmnpdysliq
etialmgdflavrgqnlrpfslaiygkmeregkkfglgssgsvvvlvvkallalynlsvd
qnllfkltsavllkrgdngsmgdlaciaaedlvlyqsfdrqkvaawleeenlatvlerdw
gfsisqvkptlecdflvgwtkevavsshmvqqikqninqnfltssketvvslvealeqgk
sekiieqvevasklleglstdiytpllrqlkeasqdlqavakssgagggdcgialsfdaq
stktlknrwadlgiellyqeri