>5sa7A (A:) observed residues (from ATOM records)
amslenvafnvvnkghfdgqqgevpvsiinntvytkvdgvdvelfenkttlpvnvafelw
akrnikpvpevkilnnlgvdiaantviwdykrdapahistigvcsmtdiakkpteticap
ltvffdgrvdgqvdlfrnarngvlitegsvkglqpsvgpkqaslngvtligeavktqfny
ykkvdgvvqqlpetyftqsrnlqefkprsqmeidflelamdefieryklegyafehivyg
dfshsqlgglhlliglakrfkespfeledfipmdstvknyfitdaqtgsskcvcsvidll
lddfveiiksqdlsvvskvvkvtidyteisfmlwckdghvetfypklq