>2qtvB (B:) observed residues (from ATOM records)
hgkllflgldnagkttllhmlkndrlatlqptwhptseelaignikfttfdlgghiqarr
lwkdyfpevngivflvdaadperfdearveldalfniaelkdvpfvilgnkidapnavse
aelrsalgllnttgiegqrpvevfmcsvvmrngyleafqwlsqy