>6utlB (B:) observed residues (from ATOM records)
mvaevqkqappfkktavvdgifeeislekykgkyvvlafvplafsfvcpteivafsdaak
kfedqgaqvlfastdseysllawtnlprkdgglgpvkvplladknhslsrdygvliekeg
ialrglfiidpkgiirhitindlsvgrnvnealrlvegfqwtdkn