>5tw8A (A:) observed residues (from ATOM records)
tnsdvtpvqaanqygyaglsaayeptsavnvsqtgqllyqynidtkwnpasmtklmtmyl
tleavnkgqlslddtvtmtnkeyimstlpelsntklypgqvwtiadllqitvsnssnaaa
lilakkvskntsdfvdlmnnkakaigmknthfvnptgaensrlrtfaptkykdqertvtt
ardyaildlhviketpkildftkqlaptthavtyytfnfslegakmslpgtdglktgssd
tanynhtittkrgkfrinqvimgagdykggekqrnmmgnalmersfdqykyvkilskgeq
ringkkyyvendlydvlpsdfskkdyklvvedgkvhadyprefinkdygpptvevh