>1xu9B (B:) observed residues (from ATOM records)
qqplneefrpemlqgkkvivtgaskgigremayhlakmgahvvvtarsketlqkvvshcl
elgaasahyiagtmedmtfaeqfvaqagklmggldmlilnhitntslnlfhddihhvrks
mevnflsyvvltvaalpmlkqsngsivvvsslagkvaypmvaaysaskfaldgffssirk
eysvsrvnvsitlcvlglidtetamkavsgivhmqaapkeecaleiikggalrqeevyyd
sslwttllirnpsrkileflystsynmdrf