>2df7A (A:) observed residues (from ATOM records)
ivpfirsllmpttgpasipddtlekhtlrsetstynltvgdtgsglivffpgfpgsivga
hytlqsngnykfdqmlltaqnlpasynycrlvsrsltvrsstlpggvyalngtinavtfq
gslseltdvsynglmsatanindkignvlvgegvtvlslptsydlgyvrlgdpipaigld
pkmvatcdssdrprvytitaaddyqfssqyqsggvtitlfsanidaitslsiggelvfht
svhglaldatiyligfdgttvitravasdnglttgidnlmpfnlviptneitqpitsikl
eivtsksggqagdqmswsasgslavtihggnypgalrpvtlvayervatgsvvtvagvsn
felipnpelaknlvteygrfdpgamnytklilsererlgiktvwptreytdfreyfmeva