>5tndB (B:) observed residues (from ATOM records)
aeefpvpngfesayrevdgvklhyvkggqgplvmlvhgfgqtwyewhqlmpelakrftvi
apdlpglgqseppktgysgeqvavylhklarqfspdrpfdlvahdigiwntypmvvknqa
diarlvymqapipdariyrfpaftaqgeslvwhfsffaaddrlaetliagkerfflehfi
kshasntevfserlldlyarsyakphslnasfeyyralnesvrqnaelaktrlqmptmtl
aggghggmgtfqleqmkayaedveghvlpgcghwlpeecaapmnrlvidflsrgrhh