>1f3tA (A:) observed residues (from ATOM records)
rflegfntrdalckkisgdpffvadlgdivrkhetwkkclprvtpfyavkcnddwrvlgt
laalgtgfdcasnteiqrvrgigvppekiiyanpckqishiryardsgvdvmtfdcvdel
ekvakthpkakmvlristvkfgakvedcrfileqakklnidvtgvsfhvgsgstdastfa
qaisdsrfvfdmgtelgfnmhildigggfpgtrdaplkfeeiagvinnalekhfppdlkl
tivaepgryyvasaftlavnviakkvtqsfmyyvndgvygsfncilydhavvrplpqrep
ipneklypssvwgptcdgldqiveryylpemqvgewllfedmgaytvvgtssfngfqspt
iyyvvsglpdhvvrelks