>1tcuB (B:) observed residues (from ATOM records) esvtanienvkkvahhiqkltsivpeigiicgsglgkladgvkdkitipytkipnfpqts vvghsgnlifgtlsgrkvvvmqgrfhmyegysndtvalpirvmkllgvkilmvsnaaggl nrslklgdfvilkdhiylpglglnnilvgpnqeafgtrfpalsnaydrdlrklavqvaee ngfgnlvhqgvyvmnggpcyetpaectmllnmgcdvvgmstipevviarhcgiqvfavsl vtnisvldvesaqraelmqswfekiieklpkd