>2xi3B (B:) observed residues (from ATOM records)
smsyswtgalvtpcaaeeqklpinalsnsllrhhnlvysttsrsacqrqkkvtfdrlqvl
dshyhdvlkevkaaaskvkanllsveeacsltpphsakskfgygakdvrcharkavahin
svwkdlledsvtpidttimaknevfcvqpekggrkparlivfpdlgvrvcekmalydvvs
klplavmgssygfqyspgqrveflvqawkskktpmgfsydtrcfdstvtesdirteeaiy
qccdldpqarvaikslterlyvggpltnsrgencgyrrcrasgvlttscgntltcyikar
aacraaglqdctmlvcgddlvvicesagvqedaaslrafteamtrysappgdppqpeydl
elitscssnvsvahdgagkrvyyltrdpttplaraawetarhtpvnswlgniimfaptlw
armilmthffsvliardqleqalnceiygacysiepldlppiiqrlhglsafslhsyspg
einrvaaclrklgvpplrawrhrarsvrarllsrggraaicgkylfnwavrtklkltpia
aagrldlsgwftagysggdiyh