>1l9rB (B:) observed residues (from ATOM records)
ataaeiaalprqkvelvdppfvhahsqvaeggpkvveftmvieekkividdagtevhama
fngtvpgplmvvhqddyleltlinpetntlmhnidfhaatgalgggglteinpgektilr
fkatkpgvfvyhcappgmvpwhvvsgmngaimvlpreglhdgkgkaltydkiyyvgeqdf
yvprdengkykkyeapgdayedtvkvmrtltpthvvfngavgaltgdkamtaavgekvli
vhsqanrdtrphlmgghgdyvwatgkfntppdvdqetwfipggaagaafytfqqpgiyay
vnhnlieafelgaaahfkvtgewnddlmtsvlapsg