>1bxrB (B:) observed residues (from ATOM records)
iksallvledgtqfhgraigatgsavgevvfntsmtgyqeiltdpsysrqivtltyphig
nvgtndadeessqvhaqglvirdlpliasnfrntedlssylkrhnivaiadidtrkltrl
lrekgaqngciiagdnpdaalalekarafpglngmdlakevttaeayswtqgswtltggl
pqakkedelpfhvvaydfgakrnilrmlvdrgcrltivpaqtsaedvlkmnpdgiflsng
pgdpapcdyaitaiqkfletdipvfgiclghqllalasgaktvkmkfghhggnhpvkdve
knvvmitaqnhgfavdeatlpanlrvthkslfdgtlqgihrtdkpafsfqghpeaspgph
daaplfdhfielieqyrkt