>3u6xL (L:) observed residues (from ATOM records)
asikkvyrgmkngaetinddleainseltsggnvvhktgdetiagkktftgnvevngslt
lptkswsgelgggiilslrkkgttveysiggeisssilansnlvnrsvpnefcprnrcsl
vghmvggwnafhidipssgvcqwfgptassgtprgtgtypidh