>2ixfA (A:) observed residues (from ATOM records)
splsgslaplnmkglvkfqdvsfaypnhpnvqvlqgltftlypgkvtalvgpngsgkstv
aallqnlyqptggkvlldgeplvqydhhylhtqvaavgqepllfgrsfreniaygltrtp
tmeeitavamesgahdfisgfpqgydtevgetgnqlsggqrqavalaralirkprllild
qatsaldagnqlrvqrllyespewasrtvllithqlslaerahhilflkegsvceqgthl
qlmerggcyrsmvea