>1y67A (A:) observed residues (from ATOM records)
aaytlpqlpyaydalephidartmeihhtkhhqtyvdnankalegtefadlpveqliqql
drvpadkkgalrnnagghanhsmfwqimgqgqganqpsgelldainsafgsfdafkqkfe
daaktrfgsgwawlvvkdgkldvvstanqdnplmgeaiagvsgtpilgvdvwehayylny
qnrrpdylaafwnvvnwdevskryaaaklv