>5nt7B (B:) SEQRES residues ghsdvkqtiyevnkyakrsklieilseqadgtivfvetkrgadflasflsekefpttsih gdrlqsqreqalrdfkngsmkvliatsvasrgldiknikhvinydmpskiddyvhrigrt grvgnngratsffdpekdraiaadlvkilegsgqtvpdflrtc