>1l9rA (A:) observed residues (from ATOM records)
ataaeiaalprqkvelvdppfvhahsqvaeggpkvveftmvieekkividdagtevhama
fngtvpgplmvvhqddyleltlinpetntlmhnidfhaatgalgggglteinpgektilr
fkatkpgvfvyhcappgmvpwhvvsgmngaimvlpreglhdgkgkaltydkiyyvgeqdf
yvprdengkykkyeapgdayedtvkvmrtltpthvvfngavgaltgdkamtaavgekvli
vhsqanrdtrphlmgghgdyvwatgkfntppdvdqetwfipggaagaafytfqqpgiyay
vnhnlieafelgaaahfkvtgewnddlmtsvlapsg