>3l70B (B:) observed residues (from ATOM records)
gaedleitklpngliiaslenfspasrigvfikagsryettanlgtahllrlasplttkg
assfritrgieavggslsvystrekmtycveclrdhvdtvmeyllnvttapefrpwevtd
lqpqlkvdkavafqspqvgvlenlhaaayktalanplycpdyrigkitseqlhhfvqnnf
tsarmalvgigvkhsdlkqvaeqflnirsgagtssakatywggeireqnghslvhaavvt
egaavgsaeanafsvlqhvlgagplikrgssvtsklyqgvakattqpfdasafnvnysds
glfgfytisqaahageviraamnqlkaaaqggvteedvtkaknqlkatylmsvetaqgll
neigseallsgthtapsvvaqkidsvtsadvvnaakkfvsgkksmaasgdlgstpfldel