>4bb5B (B:) observed residues (from ATOM records)
efrpemlqgkkvivtgaskgigremayhlakmgahvvvtarsketlqkvvshclelgaas
ahyiagtmedmtfaeqfvaqagklmggldmlilnhitntslnlfhddihhvrksmevnfl
syvvltvaalpmlkqsngsivvvsslagkvayplvaaysaskfaldgffssirkeysvsr
vnvsitlcvlglidtetamkavsgivhmqaapkeecaleiikggalrqeevyydssrwtt
llirnpsrkileelystsynmdrf