>1nb6A (A:) observed residues (from ATOM records)
smsytwtgalitpcaaeesklpinplsnsllrhhnmvyattsrsaslrqkkvtfdrlqvl
ddhyrdvlkemkakastvkakllsieeackltpphsakskfgygakdvrnlssravnhir
svwedlledtetpidttimaksevfcvqpekggrkparlivfpdlgvrvcekmalydvvs
tlpqavmgssygfqyspkqrveflvntwkskkcpmgfsydtrcfdstvtesdirveesiy
qccdlapearqairslterlyiggpltnskgqncgyrrcrasgvlttscgntltcylkat
aacraaklqdctmlvngddlvvicesagtqedaaalrafteamtrysappgdppqpeydl
elitscssnvsvahdasgkrvyyltrdpttplaraawetarhtpinswlgniimyaptlw
armilmthffsillaqeqlekaldcqiygacysiepldlpqiierlhglsaftlhsyspg
einrvasclrklgvpplrtwrhrarsvrakllsqggraatcgrylfnwavrtklkltpip
aasqldlsgwfvagysggdiyhslsr