>3tc2C (C:) observed residues (from ATOM records) atpvldvtgkeldprlsyriistfwgalggdvylgkspnsdapcangvfrynsdvgpsgt pvrfigssshfgqgifedellniqfaistskmcvsytiwkvgdydaslgtmlletggtig qadsswfkivkssqfgynllycpvdqfclkvgvvhqngkrrlalvkdnpldvsfkqvq