>1aa1B (B:) observed residues (from ATOM records)
kltyytpeyetldtdilaafrvspqpgvppeeagaavaaesstgtwttvwtdgltnldry
kgrcyhiepvageenqyicyvaypldlfeegsvtnmftsivgnvfgfkalralrledlri
pvayvktfqgpphgiqverdklnkygrpllgctikpklglsaknygravyeclrggldft
kddenvnsqpfmrwrdrflfcaealykaqaetgeikghylnatagtcedmmkravfarel
gvpivmhdyltggftanttlshycrdnglllhihramhavidrqknhgmhfrvlakalrl
sggdhihsgtvverditlgfvdllrddytekdrsrgiyftqswvstpgvlpvasggihvw
hmpalteifgddsvlqfgggtlghpwgnapgavanrvaleacvqarnegrdlaregntii
reatkwspelaaacevwk