>4niaI (I:) observed residues (from ATOM records)
nsnvvtmiragsypkvnptptwvraipfevsvqsgiafkvpvgslfsanfrtdsftsvtv
msvrawtqltppvneysfvrlkplfktgdsteefegrasnintrasvgyriptnlrqntv
aadnvcevrsncrqvalvisccfn