>2todA (A:) observed residues (from ATOM records)
gdpffvadlgdivrkhetwkkclprvtpfyavacnddwrvlgtlaalgtgfdcasnteiq
rvrgigvppekiiyanpckqishiryardsgvdvmtfdcvdelekvakthpkakmvlris
tlsvkfgakvedcrfileqakklnidvtgvsfhvgsgstdastfaqaisdsrfvfdmgte
lgfnmhildigggfpgtrdaplkfeeiagvinnalekhfppdlkltivaepgryyvasaf
tlavnviakkvtpaqsfmyyvndgvygsfncilydhavvrplpqrepipneklypssvwg
ptcdgldqiveryylpemqvgewllfedmgaytvvgtssfngfqsptiyyvvs