>5fzyB (B:) observed residues (from ATOM records)
plpkpvldtngkelnpdssyriisigrgalggdvylgkspnsdapcpdgvfrynsdvgps
gtpvrfiplstnifedqllniqfniptvklcvsytiwkvgnlnayfrtmlletggtigqa
dnsyfkivksskigynllscpftsiiclrcpedqfcakvgvviqngkrrlalvnenpldv
lfqev