>5fnxA (A:) observed residues (from ATOM records)
plpkpvldtngkelnpdssyriisigrgalggdvylgkspnsdapcpdgvfrynsdvgps
gtpvrfiplstnifedqllniqfniptvklcvsytiwkvgnlnayfrtmlletggtigqa
dnsyfkivksskigynllscpftsiiclrcpedqfcakvgvviqngkrrlalvnknpldv
lfqev