>1k9xA (A:) observed residues (from ATOM records)
evfqnetikqilakyrriwaighaqsvlgwdlevnmpkegilersvaqgelsvlshelll
hpefvnlvekakglenlneyergivrvldrsiriarafppefirevsettslatkaweea
kakddfskfepwldkiislakraaeylgyeeepydalldlyeeglrtrdvekmfevlekk
lkplldkileegkvprehplekekyerewmervnlwilqkfgfplgtrarldvsahpftt
efgirdvrittryegydfrrtilstvhefghalyelqqderfmftpiaggvslgihesqs
rfweniigrskefveliypvlkenlpfmsnytpedvylyfnivrpdfirteadvvtynfh
illrfklerlmvseeikakdlpemwndemerllgirprkysegilqdihwahgsigyfpt
ytigtllsaqlyyhikkdipdfeekvakaefdpikawlrekihrwgsiyppkellkkaig
edmdaeyfvrwvkekyl