>3puwA (A:) observed residues (from ATOM records)
asvqlqnvtkawgevvvskdinldihegefvvfvgpsgcgkstllrmiagletitsgdlf
igekrmndtppaergvgmvfqsyalyphlsvaenmsfglklagakkevinqrvnqvaevl
qlahlldrkpkalsggqrqrvaigrtlvaepsvflldeplsnldaalrvqmrieisrlhk
rlgrtmiyvthdqveamtladkivvldagrvaqvgkplelyhypadrfvagfigspkmnf
lpvkvtataidqvqvelpmpnrqqvwlpvesrdvqvganmslgirpehllpsdiadvile
gevqvveqlgnetqihiqipsirqnlvyrqndvvlveegatfaiglpperchlfredgta
crrlhkepgva