>3tyuB (B:) observed residues (from ATOM records)
shmhltargltldlsrpqvmgilnnnldqalqhaqrmlsagatlidigeldrvvpvveal
aqrfdvwlsvdtskaavitesahagahlindirslqepgaleaaaktglpvclmhmqdlm
tdinrffqhhiercvaagiaknkllldpgfgfgknlahnyqllahlselhhfelpllvgm
srksmvgqllnvppqqrvigsvacaviaamqgaqiirvhdvketveamciveatrsak