>3l72B (B:) observed residues (from ATOM records)
pgaedleitklpngliiaslenfspasrigvfikagsryettanlgtahllrlasplttk
gassfritrgieavggslsvystrekmtycveclrdhvdtvmeyllnvttapefrpwevt
dlqpqlkvdkavafqspqvgvlenlhaaayktalanplycpdyrigkitseqlhhfvqnn
ftsarmalvgigvkhsdlkqvaeqflnirsgagtssakatywggeireqnghslvhaavv
tegaavgsaeanafsvlqhvlgagplikrgssvtsklyqgvakattqpfdasafnvnysd
sglfgfytisqaahageviraamnqlkaaaqggvteedvtkaknqlkatylmsvetaqgl
lneigseallsgthtapsvvaqkidsvtsadvvnaakkfvsgkksmaasgdlgstpflde
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