>1xrtA (A:) observed residues (from ATOM records)
mlklivkngyvidpsqnlegefdilvengkikkidknilvpeaeiidakglivcpgfidi
hvhlrdpgqtykediesgsrcavaggfttivcmpntnppidnttvvnyilqksksvglcr
vlptgtitkgrkgkeiadfyslkeagcvaftddgspvmdssvmrkalelasqlgvpimdh
ceddklayaeeiqiardgilaqrtgghvhiqhvstklsleiieffkekgvkitcevnpnh
lledrlaliegvkrgiidcfatdhaphqtgiiglqtalpsalelyrkgiislkkliemft
inpariigvdlgtlklgspaditifdpnkewilneetnlsksrntplwgkvlkgkviyti
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