>4f3xD (D:) observed residues (from ATOM records)
mdtqlligsrfeagteaeehilnprtgagiidlaeashaqidaavdaaerafvgwsqttp
aersnallkiadaiekeadefaalealncgkpinavkndelpaiidcwrffagavrnlha
paageylpghtsmirrdpigivgsiapwnyplmmmawklapaigggntvvfkpseqtplt
alklarliadilpegvvnvitgrgetvgnalinhpkvgmvsitgdiatgkkvlaaaaktv
krthlelggkapvivygdadleavvngirtfgyynagqdctaacriyaeagiyeklvadl
tsavstirynldddteneigplisrrqrdrvasfveraadqkhieittggrtgsdegfff
qptvvagatqedeivrrevfgpvvsvtrftgkddavawandsdyglassvwtkdiskamr
aasrlqygctwinthfmltnemphggikqsgygkdmsvyaledytavrhiminhg