>6i66A (A:) observed residues (from ATOM records)
ynkivshllvaepekiyampdptvpdsdikalttlcdladrelvviigwakhipgfstls
ladqmsllqsawmeililgvvyrslsfedelvyaddyimdedqsklaglldlnnailqlv
kkyksmklekeefvtlkaialansdsmhiedveavqklqdvlhealqdyeagqhmedprr
agkmlmtlpllrqtstkavqhfyniklegkvpmhklflemlea