>5xlaB (B:) observed residues (from ATOM records)
gnpvicmghhavangtmvktladdqvevvtaqelvesqnlpelcpsplrlvdgqtcdiin
galgspgcdhlngaewdvfierpnavdtcypfdvpeyqslrsilanngkfefiaeefqwn
tvkqngksgackranvndffnrlnwlvksdgnayplqnltkinngdyarlyiwgvhhpst
dteqtnlyknnpggvtvstktsqtsvvpnigsrplvrgqssrvsfywtivepgdlivfnt
ignliaprghyklnnqkkstilntaipigscvskchtdkgslsttkpfqnisriavgdcp
ryvkqgslklatgmrnipelfgaiagfiengwqglidgwygfrhqnaegtgtaadlkstq
aaidqingklnrliektndkyhqiekefeqvegriqdlekyvedtkidlwsynaellval
enqhtidvtdsemnklfervrrqlrenaedkgngcfeifhkcdnnciesirngtydhdiy
rdeainnrfq