>4ifsA (A:) observed residues (from ATOM records)
daicifrelqcltprgrydiriyptflhlhgktfdykipyttvlrlfllphkdqrqmffv
isldppikqgqtryhflillfskdedisltlnmneeevekrfegrltknmsgslyemvsr
vmkalvnrkitvpgnfqghsgaqcitcsykassgllyplergfiyvhkppvhirfdeisf
vnfargttttrsfdfeietkqgtqytfssiereeygklfdfvnakklnikn