>2ix1A (A:) observed residues (from ATOM records)
mleadpllaqlkqqlhsqtpraegvvkatekgfgflevdaqksyfipppqmkkvmhgdri
iavihsekeresaepeelvepfltrfvgkvqgkndrlaivpdhpllkdaipcraarglnh
efkegdwavaemrrhplkgdrsfyaeltqyitfgddhfvpwwvtlarhnlekeapdgvat
emldeglvredltaldfvtidsastedmndalfakalpddklqlivaiadptawiaegsk
ldkaakiraftnylpgfnipmlprelsddlcslranevrpvlacrmtlsadgtiednief
faatieskaklvydqvsdwlentgdwqpeseaiaeqvrllaqicqrrgewrhnhalvfkd
rpdyrfilgekgevldivaeprrianriveeamiaanicaarvlrdklgfgiynvhmgfd
panadalaallkthglhvdaeevltldgfcklrreldaqptgfldsrirrfqsfaeiste
pgphfglgleayatwtspirkygdminhrllkavikgetatrpqdeitvqmaerrrlnrm
aerdvgdwlyarflkdkagtdtrfaaeivdisrggmrvrlvdngaiafipapflhavrde
lvcsqengtvqikgetvykvtdvidvtiaevrmetrsiiarpv